Primer: Rho Sigma, Ether-Technology: A Rational Approach to Gravity Control (1977)

Study guide for a self-taught reader at undergraduate level. It is built on the Step 3 arbiter's verdicts (arbiter.md), the three reviews (physicist.md, mathematician.md, contrarian.md), the deep read of the Searl chapter (deep/Ether-Technology-A-Rational-Approach-to-Gravity-Control-015ef3.md, pp.72-83), the Investigator's log (sites.md, research/), and my own reading of book pages 44-46, 50-52, 87 and 108. Revised after quality engineering (qe.md, verdict MINOR): it now also draws on the four remediation deep reads (deep/Ether-Technology-pp21-58.md, pp59-71.md, pp84-95.md, and deep/Seike-1966-JPS-self-excited-NMR-negative-energy.md) and on the arbiter's "QE revision" section (Q1-Q7). No central verdict changed in that revision. Every number in the worked example was recomputed for this primer (example.py). This primer adds no new verdicts.

Source tags. [read: p.N] = taken from the book (page of the PDF). [read: page image p.N] = read from a rendered page image (for exponents the text layer garbled). [web] = Internet source, URL given. [memory] = recalled from training, confidence high/medium/low. "Calculation" = arithmetic done here from tagged inputs (see example.py).

Source gap (repeated from the earlier steps). The book itself is fully readable. But it is a compilation: almost every experimental statement in it is relayed second-hand (a letter, a newspaper clipping, a report of unknown origin). The folder holds no text by John Searl, no original "Barret Report", no Brown laboratory notes, no Saxl paper, no publication by Cain or Roos, and no Seike gravity book. What Searl, Brown (in vacuum), Roos and Cain "did" or "said" therefore rests on the book's relay. The Investigator's downloads (Seike's 1966, 1982 and 1984 Physical Society of Japan abstracts; Hooper's patent US 3,610,971; Schaffranke's 1993 New Energy News article, all in research/files/) are primary for what they cover. Where a conclusion rests on [memory] alone, this primer says so.

Who wrote it. "Rho Sigma" is a pen name. Advocacy and popular sources (Natural Philosophy wiki, Davidson 1989, Bergier 1978) identify the author as Rolf Schaffranke (1921-1994), said to have worked at Peenemünde, NASA Huntsville and Boeing [web: see sites.md]. No official personnel record has been found; Bergier himself writes "His identity is unknown to me". The German original, Forschung in Fesseln: das Rätsel der Elektro-Gravitation, appeared in 1972 (Ventla-Verlag, Wiesbaden-Schierstein) [web: AbeBooks/Booklooker via sites.md]. In this primer "the inventor" means the book's author and the people whose work he relays (Brown, Saxl, Searl, Seike and others), since the book is a survey, not one invention.

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1. The idea in one paragraph

The book argues that space is not empty but filled with a physical medium, the "ether", and that gravity is a flow or push of that medium. If so, gravity is not a fixed fact of nature but something machines could manipulate, and electricity at very high voltage is the lever. As evidence it gathers a set of reports: T. Townsend Brown's high-voltage capacitors, which push themselves toward their positive plate and which Brown said kept pushing in a vacuum; Erwin Saxl's charged pendulum, whose swing seemed to depend on the sign of its charge; John Searl's spinning-ring generator in England, said to reach enormous voltages, to lose its weight and inertia, to produce more energy than it consumed and, in one 1952 test, to rise fifty feet and fly off into space; and the theories of several private researchers, especially the Japanese physicist Shin'ichi Seike, who is said to have found "negative gravitational energy" in a resonance of atomic spins. The book also argues that orthodox science and officials ignored or suppressed this work. Some starting points are real physics: high-voltage capacitors really do produce thrust in air, a spinning conductor really does develop a small voltage from the inertia of its electrons, and the Michelson-Morley experiment, taken alone, does not rule out every possible ether. The difficulties come where the book turns these into gravity control: the thrust has an electrical cause that needs no change in gravity; the spinning-ring voltage is about a hundred-billionth of a volt, not a hundred thousand volts; and the claimed power output would rival the whole world's energy use.

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2. What you need to know first

2.1 Electric potential, charge and capacitance. The electric potential V (volts) of a conductor is the work per unit charge needed to bring a charge to it from far away. For an isolated conducting sphere of radius R carrying charge Q (coulombs), V = Q/(4πε₀R), where ε₀ = 8.854 × 10⁻¹² F/m is the permittivity of free space. The field just outside its surface is E = V/R (volts per metre), and the energy stored is U = ½QV. These three formulas are all you need to judge any claim like "the craft reached 10¹³ volts". Read: Griffiths, Introduction to Electrodynamics, the chapter on electrostatics (potential, conductors, energy).

2.2 Dielectric breakdown and corona. Air is an insulator only up to a field of about 3 × 10⁶ V/m at sea level [memory, high]. Above that, stray electrons gain enough energy between collisions to knock more electrons loose, an avalanche starts, and the air conducts: first as a glowing, hissing "corona" around sharp points, then as sparks. Corona makes ozone (the "electrical" smell) and broadband radio noise. A metal sphere of radius R can therefore hold at most about V = (3 × 10⁶ V/m) × R in air before it discharges. Read: any high-voltage engineering text, or the Feynman Lectures on Physics Vol. II, the chapters on electrostatics of conductors and on "electricity in the atmosphere".

2.3 Ion wind (electrohydrodynamics, EHD). In a strong field near a sharp electrode, air molecules are ionised. The ions are pulled toward the other electrode, collide with neutral air molecules on the way and drag them along: a breeze. By Newton's third law, pushing the air pushes the electrodes the other way. This is how modern "ionocraft" or "lifters" fly while tethered to a high-voltage supply. Read: Griffiths for the fields; for EHD thrust, Christenson and Moller, "Ion-neutral propulsion in atmospheric media", AIAA Journal 1967 [memory, high on its existence; not re-read here].

2.4 Circular motion and the inertia of electrons. A mass m moving in a circle of radius r at angular speed ω (radians per second; 1 rpm = 2π/60 rad/s) needs an inward force mω²r. In a spinning metal, the free conduction electrons need this force too; the only thing that can supply it is an electric field inside the metal. The result is a tiny voltage between hub and rim, the Stewart-Tolman effect, first measured by R. C. Tolman and T. D. Stewart in 1916 to show that the current carriers in metals have the electron's charge-to-mass ratio [memory, high]. This is the real physics behind the Searl mechanism. Read: Griffiths, the chapter on electrodynamics (motional emf); Kittel, Introduction to Solid State Physics, the free-electron model.

2.5 Motional emf and the Faraday disc. A conductor moving at velocity v through a magnetic field B has a force per unit charge v × B on its electrons (the magnetic part of the Lorentz force F = q(E + v × B)). A metal disc spinning about an axis parallel to B therefore develops an emf between hub and rim of ½BωR². This is Faraday's 1831 "unipolar" or homopolar generator. Read: Griffiths, the chapter on electrodynamics (motional emf, the Faraday disc).

2.6 Stress in a spinning ring. A thin ring of density ρ spinning with rim speed v is under a tension (hoop stress) σ = ρv², whatever its radius. It bursts when σ reaches the tensile strength of the material. For steel (ρ ≈ 7,850 kg/m³, strength of order 10⁹ Pa [memory, medium]) this happens near 350 m/s rim speed. Read: any mechanics-of-materials text, the section on rotating rings and discs.

2.7 Energy conservation and power. Power is energy per second (watts). A device cannot deliver more power than flows into it from all sources; an "over-unity" claim must name the extra source and show its size. For scale: world average primary power use is about 1.8-1.9 × 10¹³ W [memory, medium]; all sunlight intercepted by Earth is about 1.7 × 10¹⁷ W [memory, high]; the Sun's surface radiates 6.4 × 10⁷ W per square metre [memory, high]. Read: Schroeder, An Introduction to Thermal Physics, the opening chapters on energy and the first law.

2.8 The ether and the Michelson-Morley experiment. Nineteenth-century physics pictured light as a wave in an "ether" filling space. If Earth moves through a still ether, light should travel at slightly different speeds along and across Earth's motion. Michelson and Morley (1887) found no such difference. Several escapes were proposed: the ether is dragged along by Earth; or moving rulers contract (Lorentz and FitzGerald). Einstein's special relativity (1905) made the ether unnecessary without proving it absent: Lorentz's ether theory, with its built-in contraction, gives the same predictions as relativity [memory, high]. What ruled out a dragged, mechanical ether were other experiments: stellar aberration (the apparent tilt of starlight from Earth's motion), Fizeau's moving-water experiment, and the Sagnac effect. Read: Taylor and Wheeler, Spacetime Physics; or the relativity chapters of any modern-physics text (e.g. Serway, Moses and Moyer, Modern Physics).

2.9 Fluid flow, sinks and d'Alembert's paradox. In fluid mechanics a "sink" is a point where fluid disappears; for a steady, incompressible sink of strength Q (volume per second), the inflow speed at distance R is u = Q/(4πR²). An ideal (frictionless, "inviscid") fluid flowing steadily past a body exerts no net drag on it; this surprising result is d'Alembert's paradox [memory, high]. Real drag needs viscosity. These two facts matter when the book describes gravity as an ether sink flow. Read: Acheson, Elementary Fluid Dynamics, the chapters on ideal flow.

2.10 Spin, magnetic moments and precession (for Seike). A spinning charged particle has a magnetic moment. In a magnetic field it precesses (its axis sweeps around the field direction like a tilted top) at the Larmor frequency ω_L = γB, where γ is the gyromagnetic ratio. Nuclear magnetic resonance (NMR) flips nuclear spins with a radio-frequency field tuned to ω_L; electron spin resonance (ESR) does the same for electron spins [memory, high]. Read: Griffiths, Introduction to Quantum Mechanics, the chapter on spin (Larmor precession); any modern-physics text on NMR.

2.11 Torsion pendulums. A mass hung on a thin wire and twisted oscillates with period T = 2π√(I/κ), where I is the moment of inertia of the hanging mass and κ the twisting stiffness (torsion constant) of the wire. The local strength of gravity g does not appear. This is why Cavendish, Eötvös and modern equivalence-principle experiments use torsion balances: they are sensitive to tiny sideways forces, not to the weight. Read: Taylor, Classical Mechanics, the oscillations chapter.

2.12 Fitting data. Fitting a straight line y = a + bx by least squares, and fitting a power law y = Axᵏ by fitting a straight line to log y against log x. Read: Taylor, An Introduction to Error Analysis, the chapter on least-squares fitting.

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3. The textbook view

3.1 Forces on a high-voltage capacitor

A capacitor with two electrodes in vacuum, held at a potential difference, has equal and opposite electrostatic forces between its plates: the net force on the isolated assembly is zero (Newton's third law within the system). A net force on the whole device requires something to carry momentum away. In air, that something is the ion wind (§2.3). The thrust from an EHD device grows with the current I flowing through the air gap; a standard estimate is F ≈ I d / μ, where d is the gap and μ the ion mobility (about 2 × 10⁻⁴ m²/(V·s) for air ions [memory, medium]). So the thrust depends on the leakage current, not on the stored charge, and falls toward zero when no ions are available, as in a hard vacuum without sparks.

3.2 Charge and gravity in mainstream physics

In Newtonian gravity and in general relativity, all bodies fall with the same acceleration regardless of composition, charge or internal state (the weak equivalence principle). Torsion-balance tests confirm this for neutral bodies to about one part in 10¹³ (Eöt-Wash group) [memory, high] and the MICROSCOPE satellite to about 10⁻¹⁵ [memory, medium]. Charged bodies do gravitate through their field energy, but the effect is of order (qV)/(mc²), tiny for laboratory voltages: a 1 kg body at 10⁵ V carrying microcoulombs has electric energy of order 10⁻¹ J, compared with mc² ≈ 9 × 10¹⁶ J. (Calculation.) Note the honest gap the physicist flagged: precision equivalence tests used neutral bodies, so a charge-dependent coupling has a weaker direct test record.

3.3 The spinning conductor (Stewart-Tolman and Faraday)

For a conducting disc or ring of radius R spinning at angular speed ω:

• Inertia of electrons (Stewart-Tolman): an electron of mass m_e = 9.109 × 10⁻³¹ kg and charge e = 1.602 × 10⁻¹⁹ C at radius r needs inward force m_e ω² r, supplied by an internal field E(r) = m_e ω² r / e. Integrating from hub to rim:

V_ST = m_e ω² R² / (2e) = m_e v² / (2e), where v = ωR is the rim speed.

The rim is negative, the hub positive: exactly the polarity Searl reported [read: p.75]. - Earth's magnetic field (Faraday disc): V_F = ½ B ω R², with B the field component along the spin axis (Earth's field is about 5 × 10⁻⁵ T in total [memory, high]). - Mechanical limit: the rim bursts near v_burst = √(σ/ρ) (§2.6).

3.4 A charged sphere

For an isolated conducting sphere of radius R at potential V: charge Q = 4πε₀RV; surface field E = V/R; stored energy U = ½QV; and outward electrostatic pull per unit area on the metal (the "Maxwell stress") P = ½ε₀E².

3.5 Spin precession: the Frenkel-Kramers equations

Seike's own 1982 abstract writes equations for an "axial" angular momentum K and a "polar" angular momentum J in electric field E and magnetic field H:

dK/dτ = α(K × H − J × E), dJ/dτ = α(K × E − J × H),

with α = e/(mc) a coupling constant and τ the proper time [web: J-STAGE page image, via research/; reported by the physicist and contrarian]. These are a real and standard family of spin-precession equations (the Frenkel spin equations, ancestors of the Bargmann-Michel-Telegdi equation used today for particle spin in accelerators) [memory, medium]. With H alone they describe ordinary Larmor precession: |K| and |J| stay constant and the vectors rotate. No gravitational field or mass appears in these equations of motion.

Correction from the QE revision (Seike's 1966 abstracts). Seike's earliest abstracts, "Self-excited NMR of negative energy" I and II (Physical Society of Japan, 1966; handwritten, read from page images), are theory only: no apparatus, sample, frequency or measurement [read: deep/Seike-1966]. They contain two things the earlier reviews missed. (1) Paper I writes an energy tensor for the spin field (a table of numbers giving the field's energy density, energy flow and stresses) that contains k, "Newton's gravitational constant", and says that a spin field pointing inward carries "negative energy". So it is not true that Seike's 1966 work has no gravitational constant anywhere; the gravity link is there as a constant in the energy expression, not as a force in the equations of motion [arbiter, QE revision Q1]. (2) If the equations are run with a rotating field on top of a steady field H₀, at the resonance condition (αH₀ + Ω = 0, where Ω is the rotation rate), and with no damping, the vectors grow instead of merely precessing once the rotating electric amplitude E₁ exceeds the rotating magnetic amplitude H₁. The arbiter re-integrated them numerically: maximum |I| (Seike's magnetisation vector, starting at 1) stays 1.00 with E₁ = 0, reaches 1.15 at E₁ = 0.05, 10 at E₁ = H₁ = 0.1 (linear growth), and 1.9 × 10⁷ at E₁ = 0.2 (exponential growth) [calc, arbiter Q1]. This matches the book's "exponential increase" (p.83). But Seike's own printed solution includes damping and saturates, and growth of a magnetisation in a model is not extracted power, weight, or a force. The step from these abstracts to "negative gravitational energies" cancelling Earth's gravity, the 3 × 10⁹ kW figure and the three-condenser device appears in no primary document in the project; it presumably comes from Seike's books, which were not obtained.

3.6 Electromagnetic mass: a charged body has slightly more inertia

The book cites Lippmann (1908) as finding that "charged bodies offer greater resistance to acceleration" [read: p.23; no citation or numbers given]. The idea behind this is real. Energy has inertia: any stored energy U adds a mass Δm = U/c² (Einstein's E = mc² read backwards), and the energy stored in an electric field is no exception. Late-19th- and early-20th-century physicists (Thomson, Abraham, Lorentz) called this "electromagnetic mass" [memory, high on the concept; the attribution to Lippmann and the book's description of his experiments were not checked, memory low]. For the 3 ft sphere of §5: at 10⁵ V, U = 0.25 J, so Δm = 0.25 / (9 × 10¹⁶) = 2.8 × 10⁻¹⁸ kg; even at 10¹³ V, U = 2.5 × 10¹⁵ J gives Δm = 0.028 kg [calc, arbiter Q2]. The effect is real, tiny, and in the opposite direction to the Searl claim that a highly charged body becomes "inertia free".

3.7 Fluid analogies for gravity

A 1/R² attraction can be pictured as an inflow into a sink, because the inflow speed u = Q/(4πR²) falls as 1/R². But a body in the flow feels a force only through a pressure gradient or through drag. For an ideal fluid the pressure varies as ½ρu² (Bernoulli), so the force scales as d(u²)/dR ∝ R⁻⁵, not R⁻². A 1/R² force needs drag proportional to u, which needs viscosity (calculation, checked by the mathematician and arbiter). Le Sage-type "pushing gravity" theories (gravity as the push of a medium or of particles from all directions) have a further standard problem: a medium that pushes must also drag moving planets and heat them, and no such drag is seen [memory, high].

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4. Where the book departs

The exact point of departure for the Searl story is one sentence: the claim that centrifugal force on electrons yields a "very intense" charge. The physics behind it is correct in sign and wrong in size by more than eleven powers of ten, which is the subject of the worked example.

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5. Worked example: how much voltage can a spinning metal ring make?

The book's Searl chapter rests on one physical mechanism, stated in the Wynniatt letter: "when a metal annulus is rotated at sufficient speed, the conduction electrons are displaced outwards by centrifugal force" [read: page image p.73]. The Barret Report gives the size: "about three feet in diameter", and "At relatively low armature speeds a potential of the order of 10⁵ volts was produced, as indicated by the static effects on near objects" [read: page image p.75]. No rpm is given anywhere. We test the mechanism honestly: first we compute what it really gives, then what speed it would need, then what the claimed voltages would mean.

Run: .venv/bin/python review/Sigma-Ro/example.py

Step 1. Derive the voltage

Take a free electron at radius r in a metal rotor spinning at angular speed ω. To move in a circle it needs an inward force m_e ω² r. The metal's ions cannot grab it directly; instead, the electrons drift outward by a minute amount, leaving the hub slightly positive and the rim slightly negative, until the resulting electric field E(r) pushes each electron inward just hard enough:

e E(r) = m_e ω² r ⇒ E(r) = m_e ω² r / e.

The voltage from hub to rim is the integral of the field:

V = ∫₀ᴿ E(r) dr = m_e ω² R² / (2e).

Since the rim speed is v = ωR, this is V = m_e v² / (2e): the kinetic energy of one electron moving at rim speed, divided by its charge. The radius drops out. A bigger rotor gives a larger voltage only if its rim moves faster.

Units check: kg × (m/s)² / C = J/C = V. Good.

Step 2. Put in numbers

R = 3 ft / 2 = 0.4572 m. m_e = 9.109 × 10⁻³¹ kg, e = 1.602 × 10⁻¹⁹ C.

At 1,000 rpm: ω = 1000 × 2π/60 = 104.7 rad/s; v = ωR = 47.9 m/s; V = (9.109 × 10⁻³¹)(47.9)² / (2 × 1.602 × 10⁻¹⁹) = 6.5 × 10⁻⁹ V.

(Calculation; matches the deep read, the three reviewers and the arbiter.)

Step 3. Run it backwards

What rim speed would give 10⁵ V? From V = m_e v²/(2e):

v = √(2eV/m_e) = √(2 × 1.602 × 10⁻¹⁹ × 10⁵ / 9.109 × 10⁻³¹) = 1.9 × 10⁸ m/s ≈ 0.63 c.

For R = 0.457 m that is 3.9 × 10⁹ rpm. (At 0.63 c the non-relativistic formula is only approximate, but the order of magnitude is the point.)

Step 4. When does the rotor break?

A thin ring of density ρ spinning at rim speed v has hoop stress σ = ρv² (example.py derives this by cutting the ring in half and adding up the centripetal forces). Steel bursts when σ ≈ 10⁹ Pa [memory, medium], so

v_burst = √(10⁹ / 7850) ≈ 357 m/s (about 7,500 rpm for a 3 ft rotor).

The largest centrifugal voltage any steel rotor of any size can produce is then

V_max = m_e v_burst² / (2e) ≈ 3.6 × 10⁻⁷ V,

about 11.4 powers of ten below 10⁵ V and 19.4 below 10¹³ V. Even carbon fibre (σ ≈ 5 × 10⁹ Pa, ρ ≈ 1,800 kg/m³ [memory, medium]) only reaches about 8 × 10⁻⁶ V. This is the cleanest form of the arbiter's "Refuted by calculation" verdict: it needs no assumption about the unknown rpm.

Step 5. Can "coil feedback" close the gap?

The Wynniatt letter says induction coils tap the rotating field and drive electromagnets that speed up the rotor, "producing a feedback effect resulting in very intense electric and magnetic fields" [read: p.73]. Feedback can amplify a signal only through a gain element with a power supply, and the result is limited by that supply. The centrifugal voltage is fixed by rim speed, and rim speed is capped by the burst limit: speeding the rotor up cannot take V past 3.6 × 10⁻⁷ V. No circuit, gain or power figure is given in the book. (The contrarian notes that this escape route is "Not testable as stated" because no circuit is given; the arbiter sides with the physicist and mathematician that no feedback can rescue an electrostatic potential eleven orders of magnitude from a nanovolt seed without a named energy source.)

Step 6. What would the claimed voltages mean?

Treat the 3 ft body as a sphere, R = 0.457 m (calculation):

Two lessons. First, 10⁵ V is electrically ordinary on a body this size: a small Van de Graaff generator does it, the field is below breakdown, and crackling, ozone and bristling hair are exactly what one would notice. So the arbiter rates "10⁵ V from some source" as Plausible, untested: the failure is the stated mechanism, not the number. Second, 10¹³ V would store the energy of a large nuclear weapon on a 3 ft object, and the electric field would pull on the hull with a stress about two million times the tensile strength of steel.

Step 7. A fair alternative: Earth's magnetic field

Davidson (1989), relaying the same story, suggests Searl's 1950 "small EMF on a conventional meter" [read: p.75] may have been ordinary induction in the Earth's magnetic field [web: archive.org, Davidson, The Secret of the Creative Vacuum, via sites.md; a secondary source]. The Faraday-disc formula gives V_F = ½BωR²: with B = 5 × 10⁻⁵ T and 1,000 rpm, V_F = 5.5 × 10⁻⁴ V; at 3,000 rpm, 1.6 × 10⁻³ V (calculation). That is about 100,000 times the centrifugal voltage and easily read on a meter: a real, ordinary effect consistent with what Searl is reported to have measured, but still about eight powers of ten short of 10⁵ V.

What a reader could do. Spin a metre-scale conducting disc at a known rpm and read hub-to-rim voltage with an electrometer, with the disc axis first along and then across Earth's field. The prediction (nanovolts from inertia, sub-millivolts from Earth's field, reversing with orientation) is a clean pass/fail test of the mechanism (the arbiter's first "what would settle it" item).

Step 8. A second, shorter check: the Interavia discs (claim 1)

The book's only performance figures for Brown's air-flying discs come from a 1956 Interavia article (vol. XI no. 12, p.992): "Disc airfoils two feet in diameter ... charged to fifty kilovolts and a total continuous energy input of fifty watts have achieved a speed of seventeen feet per second in a circular course twenty feet in diameter"; later 3 ft discs ran on a 50 ft course at 150 kV [read: p.38; deep/pp21-58]. Is that anomalous? (example.py part F.)

• Speed: 17 ft/s × 0.3048 = 5.18 m/s.
• Ceiling. Power is force times speed, P = Fv. If every one of the 50 W became useful push, F = P/v = 50/5.18 = 9.6 N. Real devices waste most of their power, so this is an upper bound.
• Ion-wind estimate. If all 50 W flows as current at 50 kV, I = P/V = 1.0 mA. The EHD thrust formula of §3.1, F = I d/μ, with μ ≈ 2 × 10⁻⁴ m²/(V·s) [memory, medium] and an assumed electrode gap d of 5-20 cm (the book gives none), gives 0.25-1 N.

The ion-wind estimate is below the power ceiling and of the right order to move a light disc against air drag. So the figures are consistent with an ion-wind explanation and cannot test it, because the book gives no gap, mass, drag or current. They are not evidence of an anomaly either. (The US Army Research Laboratory result that ion wind is "three orders of magnitude too small", §6, concerns different capacitor data and is not reconciled here [arbiter Q2].)

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6. Evidence table

Material kept in the record whatever the verdicts

• Brown's own caveats and claims, side by side. He conceded air thrust was "largely" ion momentum, reported "bursts" at every vacuum spark, and also reported thrust continuing without sparks that he judged "several orders of magnitude larger than the remaining ambient ionization can account for" [read: pp.44-45]. He reported a 4 ft rotor giving "virtually the same" torque in air and under transformer oil, "seeming to prove that aero-ionization was not wholly responsible" [read: p.45] (the physicist notes that oil also carries charge carriers, so it is not a vacuum test). He reported a 15-inch dome lifting "upward of 110% of its weight", tethered by wires from the high-voltage equipment [read: p.46]. He mentions movie film. The Navy, by his account, "rejected the research proposal" because ion wind was "predicted categorically" not to work in vacuum [read: p.46]: Brown's account of a funding body's reasoning; the Navy record was not found.
• Saxl. A trained physicist (described in the book as a "post-doctoral student with Einstein" [read: p.50]) published in Nature (1964) and, with Allen, in Physical Review D 3, 823 (1971) on torsion-pendulum period changes during the 7 March 1970 solar eclipse, which they said exceeded by about 10⁵ what lunar attraction could explain [web: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.3.823, abstract via search summary]. Eclipse pendulum anomalies (the Allais effect) remain a long-running controversy [web: https://en.wikipedia.org/wiki/Allais_effect]. The book's "Nutty!" remark is "according to information received by the author" from unnamed officials [read: p.50]: documented in this one book. The book also mentions a 1968 Karl Marx University Leipzig dissertation by Harald Fischer, "About the influence of electrostatic fields on the periods of gravitational pendulae" (copy said to be in the library at Mainz), said to confirm Saxl, and Hermann Oberth's letter of 5 November 1970 to the author (inertia, gravity and energy as "different sides of one and the same thing") [read: p.23]: documented only in the book, not yet searched for. Saxl's apparatus as the book gives it: a ceramic disc torque pendulum timed to 1 part in 10⁷, positive charge giving a longer swing, about $50,000 of private money, later runs analysed on an IBM 370 for periodicities over years; J. E. McDonald saw it and was "most encouraging" [read: pp.50-53].
• Lippmann's charged-inertia claim (restored). The book's "inventory of scientific certainties" (pp.21-24) cites Lippmann (1908): "charged bodies offer greater resistance to acceleration; his experiments were quickly and conveniently 'forgotten'" [read: p.23]. The contrarian flagged it as a lead; the first arbiter and primer dropped it. As §3.6 explains, the underlying idea (electromagnetic mass, Δm = U/c²) is real, so the claim is right in direction and negligible in size, and it argues against the Searl chapter's "inertia free" generator rather than for it.
• The speed-of-light "inventory" (pp.21-22). The book's opening argument is that measurements of c disagreed: Roemer 1676 (227,000 km/s, the book's figure), Michelson's 1926 mountain-top value (182,284 mi/s), and the mile-long evacuated tube at Pasadena after Michelson's death, with "variations of 12 miles per second and more" in seasonal and two-week cycles (Popular Science Monthly, March 1934), averaged to 186,271 mi/s; a re-measurement of the tube length found "no error" [read: pp.21-22]. Allen and Endean (28 August 1970) are cited for particles at "about twice" c, with no paper identified. The scatter is real history; the mainstream reading is systematic error in a hard measurement, settled by later methods that agree far more closely [memory, medium on the Pasadena details]. It is a good case study in how a real anomaly can be an instrument effect.
• Dudley's rockets. Professor Dudley (US Patent 3,095,167) is said to have had Biefeld-Brown-charged rockets reach "heights of up to six times the normal, utilizing the same propulsive charge" [read: p.33]. A numbered claim with no data in the book; the patent has not been read in this review.
• Interavia 1956 and the aerospace interest. See §5 Step 8 for the figures, and "When the record goes dark" (F) below for what followed.
• Lenard's double tube (p.65). The book's only laboratory argument for the ether: two Plücker tubes joined by an aluminium window; "only the cathode rays entered the second tube", not the canal (positive-ion) rays; Lenard concluded this "indirectly" proved "a transmitting ether" (relayed by Kurt Seesemann, Locarno Congress of Radiesthesia report, 1956; no date or data) [read: p.65]. The observation is real; the mainstream reading is that a thin metal foil passes fast, light electrons and stops slow, heavy ions, whose ranges in matter differ enormously, so no ether is needed [memory, high]. The same page says Einstein "revoked" his non-ether stance in 1952 after Dirac "proved" the ether; Dirac's 1951 Nature letter "Is there an aether?" is real, but neither it nor Einstein's 1920 Leiden lecture restores a mechanical ether with a rest frame [memory, high; arbiter Q3].
• Todeschini and Kraspedon (pp.66-68). Todeschini (Decisive Experiments in Modern Physics, Bergamo 1966) is said to have run "numerous tests" proving light speed is frame-relative and that length contraction and time dilation "do not happen at all"; "Dino Kraspedon" (a Brazilian pseudonym) gives an "etheric covering" extending 400,822 km above Earth. No experiment is described: named, not described [read: pp.66-68].
• Eloptic energy, N-rays, Wuest and Hess (pp.69-70). The book lists Hieronymus's "eloptic energy" (said to be refracted by a prism, conducted by copper wire and recorded on film, and to have "followed the astronauts"), Blondlot's N-rays, and Dr Joseph Wuest's 1933-34 Munich work on "a new type of radiation", said to have been privately financed by Rudolf Hess, "mentioned to this writer by Dr. Wuest personally" (documented in this one book, from the author's personal conversation; no second source sought yet) [read: pp.69-70]. N-rays were exposed as an observer effect by R. W. Wood in 1904 [memory, high]. The book calls Jean Becquerel, author of a 1904 N-ray paper (Comptes Rendus 138, p.1413), "the original discoverer of ... radio-activity"; that was his father, Henri Becquerel [memory, high].
• Searl's story, as told. Searl was an electrical fitter with the Midlands Electricity Board in 1949 who noticed a small EMF from spinning parts, "negative towards the outside", and in 1950 measured "a small EMF on a conventional meter" with spinning slip rings, and his hair bristled [read: pp.73, 75]. Barret's list of phenomena includes a "peculiar magnetic effect" seen on a club's "U.F.O. detector", a "pink halo" at an inferred 10⁻³ mm Hg, radios switching on, "large neat holes" in the countryside [read: pp.75-78]. Two undated, uncredited photographs show a large segmented saucer-like disc on legs outdoors and an interior with dials [read: page image p.74]. Dr Arthur Cain, "an American space expert", is quoted as convinced "that Searl's calculations are sound" [read: p.82]: his endorsement concerns calculations, not an observed flight, and no publication is cited. Jan P. Roos, "fluid dynamicist and president of the private 'Association for Pushing Gravity Research'" in Austin, Texas, calls the lift-off "a proof" of Hilgenberg's 1931 sink-flow gravity [read: pp.81-82]. The Investigator found no trace of Cain, Roos, Barret or the "Scientific Sub-Committee" outside this book and works copying it [web: sites.md].
• The 1982-83 raid (p.108), and a conflicting account. A letter of 11 December 1984, received by "Searl's close associate in New Zealand", says that in May 1982 inspectors entered Searl's home at 17 St Stephen's Close, Mortimer, Berkshire, and "allegedly confiscated a 'domestic type free-energy generator' ... apparently supplying his own household with free electricity"; that the Southern Electricity Board prosecuted him "on trumped-up charges of 'stealing electricity by means of a unique device,' the only real evidence being a sequence of unusually low metered electric bills"; that he was detained "for about a year"; that an arsonist burned "most of his records and equipment"; and that after release in September 1983 he lived under an assumed name [read: p.108]. This is the associate's account, hedged with "allegedly". The arbiter found a competing outline: a search summary of a sceptical wiki page says a man who attacked electricity pylons, causing about £7,000 of damage, was jailed for 15 months at Reading Crown Court, reported in the Evening Post on 5 January 1983, and ties this to Searl [web, low reliability: https://hatch.kookscience.com/wiki/John_Searl; page did not load, newspaper not seen]. Both accounts are partial and from interested parties (a friend of Searl; a sceptics' wiki). The deciding records are the Reading Evening Post 1982-83, Reading Crown Court and Berkshire Record Office files, and Southern Electricity Board archives.
• Seike's numbers. Seike Shin'ichi (清家新一), a University of Tokyo physics graduate, presented at the Physical Society of Japan for over thirty years (1965-1997, 54 CiNii records) and ran a Gravity Research Institute in Uwajima from 1973 until his death in 2009 [web: CiNii, ja.wikipedia via sites.md]. His 1984 abstract gives the coil data and attributes the effect to tachyons; he extrapolated to zero weight near 620 A "at helium temperature" [web: J-STAGE page image, read by the contrarian]. The book's von Braun-Seike meeting has no independent record in the Investigator's searches, including in Japanese [web: sites.md].
• Related work. W. J. Hooper's Electrodynamic Gravity Inc. patents US 3,610,971 and US 3,656,013 describe a motional electric field E = v × B from moving magnets, which the reviewers identify as standard unipolar induction [web: Google Patents via sites.md]. Bergier (1978) says the Rho Sigma report "led to the creation" of that company, but its patent was filed in April 1968 and Hooper died in February 1971, before the 1972 German book: a dating anomaly, possibly Bergier's conflation, unresolved (Florida corporate records would decide). Hilgenberg's 1931 Über Gravitation, Tromben und Wellen in bewegten Medien and Schappeller's Physics of the Primary State of Matter exist [web: WorldCat, archive.org via sites.md] and are the sources of the book's ether-flow ideas; nobody in this review has read them yet.
• Heim, DePalma, Pagès, Carstoiu and the p.92 figure (pp.84-95, read in full). Heim lost his eyes and hands in a laboratory explosion, took his degree in 1954 and set up an institute in 1958; a German physicist, unnamed, is quoted as saying Heim's theory gives "the only consistent formula for the mass of elementary particles" (one anonymous source, no formula given) [read: pp.89-91]. DePalma (an MIT graduate) "has discovered" that spin changes inertia and "is able to prove it experimentally", with no method given; Pagès describes a "Magnus effect" propulsion design and holds French patent FR 1,251,902; Carstoiu's "gravitational vortex" is in an unpublished paper [read: pp.85-86, 93-95]. Page 92 is a full-page figure printed sideways, captioned "German Research: Hypothetical configuration of a secondary gravitational field": streamlines around a closed vortex pair, belonging to the Heim section, with no scale or equation [read: page image p.92, per QE]. It is a picture of an idea, not data.
• The suppression evidence: the book's nine incidents [read: deep/pp21-58, pp84-95; arbiter Q5]. The first version of this review said the book's case "rests on four items"; it gives nine: 1. Brown's 1% gravitor demonstration: "no scientist expressed the slightest interest" (p.34). 2. Faculty invited to a student gravitor demonstration: "Not a single member showed up!" (p.35). 3. The Pearl Harbor repeat before Admiral Radford in 1950 "succeeded", but the lift was "still quite small" and judged "of little commercial value"; Robert Millikan reportedly said "Such a thing is impossible and out of the question" (p.36; the Millikan remark is reported, not sourced). 4. Brown went to Europe and initiated "over 75 patents in 12 major countries", without recognition from the scientific press (pp.36-37). 5. After Brown founded NICAP (National Investigations Committee on Aerial Phenomena) in September 1956, "The doors of America's scientific press clanged shut" (p.37). 6. The Navy rejected Brown's research proposal because the ion-wind explanation predicted no operation in vacuum (p.46; Brown's account, an interested party). 7. Saxl: "Nutty!" from some officials (second-hand), colleagues who "look tactfully the other way", private financing (pp.50-53). 8. Heim was ridiculed at the 1952 Innsbruck astronautics congress and "swore to remain silent"; Keyhoe (TRUE magazine, January 1965) says Heim "has evidently been put under official German security", a claim the book itself says was made "somewhat hastily" (pp.89-90). 9. Searl's 1982 raid and prosecution (p.108; see above, with the conflicting account).
• Counter-evidence to "suppression". The US Patent Office confirms Brown's six US patents (the book's own cross-check, pp.32-34); Brown was published in Science and Invention (1929) and written up in Interavia (1956), and tested by others (Talley 1988, Tajmar 2004); Saxl published in Nature and Physical Review D and was repeated in print (1992, 1998), and J. E. McDonald was "most encouraging" (p.52); Seike presented at the Physical Society of Japan for over thirty years, and his 1966 "negative energy" abstracts were on its programme eleven years before this 1977 book; the USAF Project Outgrowth report (AFRPL-TR-72-31, June 1972, 28 members) lists "Antigravity Propulsion" as a field-propulsion category while admitting the principles are "obscure" [read: pp.54-55]. In France, by the book's account, Poher of CNES (the French space agency) analysed about 35,000 UFO reports by computer and said in public that UFOs exist; Petit, a CNRS plasma physicist, built an MHD (magnetohydrodynamic: moving a conducting gas with electric and magnetic fields) engine model (reported in the National Enquirer, 2 November 1976); and Defence Minister Robert Galley told France-Inter in 1974 that the ministry had "secretly studied the problem since 1954" (the book's paraphrase, not a quote of the broadcast) [read: pp.93-95; Galley's 1974 interview is a documented event, memory high]. These French items are public official engagement with the subject, which cuts against the book's own suppression theme, though they concern UFOs and MHD rather than Searl or Seike. Weighing: each of the nine incidents is a single-source report by the party concerned or by the book's narrator, and none has an independent record in the project. Most (1, 2, 5, 7) describe indifference; one (6) is a refusal for a stated physical reason; only 8 and 9 allege active interference. Indifference to unreplicated, equation-free claims is not by itself suppression; mistreatment of individuals is not ruled out.

When the record goes dark

The arbiter treats several silences as anomalies to explain, not as neutral gaps. (A) Searl's device and legal case: book account vs pylon-damage account vs suppression vs mundane meter tampering; decided by the Reading court and press records. (B) Barret, Cain, Roos and the sub-committee: tiny private circles, garbled names, offline 1970s press, lost records, suppression, or the items not being what the book says; a generator reaching 10⁹ V "at low speeds" would be easy to meter and demonstrate, and no demonstration is on record. (C) Brown's lab notes and film from a funded programme (Bahnson, GE) left no published data: corporate retention, classification, loss, or weak results; decided by Bahnson family papers, GE archives, Navy files. (D) Seike after 1985: no replication and no craft. (E) Schaffranke's own career, documented only by advocacy sources. (F) The 1956 electrogravitics interest and its silence (added in the QE revision, arbiter Q6): in 1956-57 the book records a journalist's Interavia report (results "highly classified"; government scientists gave him "the most blank of stares"), Gerardin of Thomson-Houston's nuclear physics section proposing gravity as a residue of electromagnetism, G. S. Trimble, Vice-President of the Glenn L. Martin Company, saying development might take as long as the atomic bomb, and A. V. Cleaver of Rolls-Royce in the Journal of the British Interplanetary Society (vol. 16, 1957) saying "a new principle" was needed [read: pp.38-43]. After 1957 the book has nothing more from industry except Brown's own 1973 letters and Project Outgrowth (1972). Competing explanations: technical disappointment once the effect was traced to ion wind (supported by Brown's own letter and the Navy's stated reason; against it, the claim that vacuum variants were "much more efficient", with no vacuum data published); classification (the article says so; against it, civilian firms such as Rolls-Royce would still be expected to leave some later trace); a short-lived fashion whose company programmes ended or were renamed [memory, medium; not checked]; suppression (Brown's NICAP account; no document). Deciding records: the 1956 Aviation Studies "Electrogravitics Systems" report [memory, medium], Glenn L. Martin/RIAS research files, Rolls-Royce and Thomson-Houston archives, the original Interavia article, and Navy proposal records for Brown.

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7. What a learner should take away

What is solid. - High-voltage asymmetric capacitors really push themselves in air; Brown's demonstrations were real. The modern understanding is ion transport, and the exact quantitative model is still argued about (the ARL paper). - A spinning conductor really does develop a voltage with the rim negative, as Searl noticed. The physics is the Stewart-Tolman effect, and it was a landmark experiment in showing what carries current in metals. - A spinning disc in Earth's field gives a real, meter-readable millivolt-scale emf (Faraday disc). - Electrets (permanently polarised dielectrics), cited in the Barret Report via Eguchi's 1920s work in Tokyo [read: p.77], are real [memory, high]. - Michelson-Morley alone does not exclude every ether; Lorentz's version survives as an interpretation. Einstein's 1920 remark that "space without ether is unthinkable", which Schaffranke quoted in 1993 [web: research/files/New-Energy-News-v1n7-1993-11-Schaffranke-Ether-Research.pdf], is genuine, but Einstein meant the gravitational field itself, with no rest frame and no flow [memory, high]. - Seike's spin equations are a genuine piece of mathematical physics. His 1966 abstracts do put Newton's constant into the spin field's energy, and without damping the equations do grow at resonance; neither step yet connects to a measured force or weight (§3.5). - A charged body really does have slightly more inertia (electromagnetic mass, §3.6), which is what the book's Lippmann citation says. - Lenard's observation that cathode rays, not canal rays, pass an aluminium window is real; it is how "Lenard windows" work.

What is wrong, and why the mistakes are instructive. - Getting the sign right but not the size. The centrifugal mechanism points the right way and is off by more than eleven powers of ten, and no speed fixes it, because rim speed is capped by the strength of the material (§5). Always put numbers into a mechanism before believing its consequences. - Inferring a quantity from a sensation. 10⁵ V was "indicated by" crackling and ozone [read: p.75]; the escalation to 10⁹, 10¹³ and 10¹⁴ V has no measurement behind it, and the figures disagree with one another. - Ignoring what a number implies. 10¹³ V on a 3 ft body means 600 kilotons of stored energy; 10¹⁵ W means fifty times humanity's power use. A "pink halo" cannot coexist with either. - Reading gravity into an apparatus that cannot see it. A torsion pendulum's period does not depend on g, so a period change says nothing about gravity. - A fluid picture that does not give the force law it is meant to explain. An inviscid sink flow gives R⁻⁵, not R⁻². - "Inertia free" yet steerable. With no inertia there is nothing for the "impulse = recoil" of p.80 to act on. - Citing support that points the other way. The book's own Lippmann reference says charge adds inertia; the Searl chapter says enough charge removes it. Check that a cited result has the sign your claim needs. - Reading a mechanism you have not considered as proof of a medium. Lenard's foil stops canal rays because they are slow and heavy, not because of an ether. Before inferring something new, list the ordinary differences between the two things compared (here charge, mass and speed). - Treating measurement scatter as a change in nature. The Pasadena speed-of-light cycles are a classic systematic error; later, better methods converged on one value. - "Quantum spin is perpetual motion, so over-unity is possible" (Ecklin, quoted in the epilogue, p.107). A stationary quantum state's spin is steady and does no work on anything; you cannot draw energy from it without changing the state, which costs at least as much as it yields [memory, high]. "Perpetual motion" in the sense of motion without friction is not the same as a machine that delivers net work.

What is genuinely open. - Did Brown's vacuum thrust persist without breakdown at 70-220 kV, and how large was it relative to leakage-current thrust? No independent test has matched his conditions. - Why ionic wind alone falls short in the ARL analysis of air thrust. - Would Seike's coil effect survive reversed current, a non-Möbius control winding and temperature logging? Nobody has tried. - What exactly happened in Searl's 1982-83 legal case, and was any device ever examined? - Who were Cain, Roos and Barret, and where did the Barret Report first appear? - Whether there is any charge-dependent gravitational coupling below current limits (precision tests used neutral bodies). - Why the documented 1956 aerospace interest in electrogravitics (Martin, Rolls-Royce, Thomson-Houston, Interavia) left no later record, and what the 1956 Aviation Studies report and company files say. - What Fischer's 1968 Leipzig dissertation measured, what Dudley's patent 3,095,167 describes, and whether Brown's air-versus-oil torque equality had numbers behind it.

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8. Check yourself

1. A friend builds a 2 m diameter aluminium disc (ρ ≈ 2,700 kg/m³, tensile strength ≈ 3 × 10⁸ Pa) and spins it as fast as it will go. Estimate the largest Stewart-Tolman voltage it can produce. Does the diameter matter?
2. A metal sphere of radius 0.457 m sits in air. What is the highest voltage it can hold before the air breaks down? Is Barret's 10⁵ V for the first generator possible on such a body? Is 10⁹ V?
3. Saxl's apparatus is a torsion pendulum with period T = 2π√(I/κ). Suppose the local value of g increased by 1%. By how much would T change? What does that tell you about the book's inference?
4. Seike's coil lost 0.291 g at 6 A. If the effect were Joule heating (proportional to I²), what loss would you predict at 2 A from the 6 A point? Seike reported 0.059 g. If it were a magnetic force (proportional to I), what would you predict? Which fits better, and why can't five points settle it?
5. In a steady sink flow u = Q/(4πR²) in a frictionless medium, why does the force on a small body fall off faster than 1/R²? What extra ingredient would give 1/R², and why is it awkward for the book's ether?

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9. Further reading

Mainstream sources - D. J. Griffiths, Introduction to Electrodynamics (electrostatics of conductors; motional emf and the Faraday disc). - R. P. Feynman, R. B. Leighton, M. Sands, The Feynman Lectures on Physics, Vol. II (electrostatics; atmospheric electricity; the Faraday disc paradoxes). - R. C. Tolman and T. D. Stewart, "The electromotive force produced by the acceleration of metals", Physical Review 8, 97 (1916) [memory, high]. - E. F. Taylor and J. A. Wheeler, Spacetime Physics (the ether, Michelson-Morley, relativity). - D. J. Acheson, Elementary Fluid Dynamics (ideal flow, sinks, d'Alembert's paradox). - C. M. Will, Theory and Experiment in Gravitational Physics (equivalence-principle tests). - T. B. Bahder and C. Fazi, "Force on an asymmetric capacitor", ARL, arXiv:physics/0211001 [web: https://arxiv.org/abs/physics/0211001]. - M. Tajmar, "Biefeld-Brown effect: misinterpretation of corona wind phenomena", AIAA Journal 42, 315 (2004) [web: https://publications.ait.ac.at/en/publications/the-biefeld-brown-effect-missinterpretation-of-corona-wind-phenom]. - G. Hathaway and J. Williams, Physics 3(2), 160 (2021), test of weight change of charged 1 kg conductors [web: https://arxiv.org/abs/2103.00700]. - P. A. M. Dirac, "Is there an aether?", Nature 168, 906 (1951) [memory, high on the letter; medium on volume and page], and A. Einstein, "Ether and the Theory of Relativity" (Leiden lecture, 1920; in Sidelights on Relativity) [memory, high]: what "ether" meant to these two, for comparison with the book's use of them. - Li Jianguo et al., "Electrically Charged Torque Pendulum Experiment with a Null Result", Chinese Physics Letters 9, 117 (1992) [web: https://cpl.iphy.ac.cn/article/id/35374]; Liu et al., "Test of Saxl's effect: No evidence for new interactions", Physics Letters A 244, 1 (1998) [web: https://ui.adsabs.harvard.edu/abs/1998PhLA..244....1L/abstract].

The author's and the inventors' own works - Rho Sigma (R. Schaffranke), Ether-Technology: A Rational Approach to Gravity Control (1977; first English edition Tamhelm Press, Lakemont, Georgia) [read; web: CUFORG 1981 via sites.md]; German original Forschung in Fesseln (Ventla, 1972). - R. Schaffranke, "Ether Research: Frontier Perspective in an Age of Revelation", New Energy News 1(7), November 1993 [research/files/]. - E. J. Saxl, "An Electrically Charged Torque Pendulum", Nature 203, 136-138 (1964) [web: https://www.nature.com/articles/203136a0]; E. J. Saxl and M. Allen, Physical Review D 3, 823 (1971). - T. T. Brown, British patent 300,311 (1928; the "gravitor") [memory, high on the number], and his 1973 letters as reproduced in the book [read: pp.44-46] and in P. Davidson, The Secret of the Creative Vacuum (1989) [web: archive.org]. - Interavia vol. XI no. 12 (1956), p.992, on Brown-type discs, and A. V. Cleaver, Journal of the British Interplanetary Society 16, pp.84-94 (1957), as cited by the book [read: pp.38-43]; not obtained. - Seike Shin'ichi, Physical Society of Japan abstracts 1966 ("Self-excited NMR of negative energy" I and II), 1982 ("Nuclear Electric Resonance"), 1984 ("Gravity cancellation experiment") [research/files/]. - W. J. Hooper, US patents 3,610,971 and 3,656,013 [research/files/US3610971-Hooper-Electrodynamic-Gravity.pdf; Google Patents]. - O. C. Hilgenberg, Über Gravitation, Tromben und Wellen in bewegten Medien (Berlin, 1931); K. Schappeller, The Physics of the Primary State of Matter (archive.org). Both unread in this review.

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Answers

1. The burst rim speed is v = √(σ/ρ) = √(3 × 10⁸ / 2700) ≈ 333 m/s. Then V = m_e v²/(2e) = (9.109 × 10⁻³¹ × 333²)/(3.204 × 10⁻¹⁹) ≈ 3.2 × 10⁻⁷ V. The diameter does not matter: V depends only on rim speed, and the burst rim speed depends only on the material.

2. V_max = E_breakdown × R ≈ 3 × 10⁶ × 0.457 ≈ 1.4 × 10⁶ V. So 10⁵ V (surface field 2.2 × 10⁵ V/m) is comfortably possible; 10⁹ V would need a surface field of 2.2 × 10⁹ V/m, about 730 times breakdown, and the body would discharge long before.

3. It would not change at all: g does not appear in T = 2π√(I/κ). The restoring torque comes from the twisted wire, not from gravity. So a measured period change cannot by itself show that gravity changed; it shows that I, κ, or some extra torque (for example an electrostatic one from nearby conductors) changed. The 1992 and 1998 repeats pointed to electrostatic coupling.

4. I²: 0.291 × (2/6)² = 0.032 g. Linear: 0.291 × (2/6) = 0.097 g. The reported 0.059 g lies between them; a power-law fit to all five points gives an exponent of about 1.4, and a straight-line fit gives −0.05 g at zero current, which a current-driven effect should not have. Five points with no stated uncertainties, controls or baseline cannot separate a magnetic-force artifact, a heating artifact, a mixture, or a real effect.

5. For an inviscid fluid the force on a small body comes from the pressure gradient, and Bernoulli gives pressure differences proportional to u², so the force goes as d(u²)/dR ∝ d(R⁻⁴)/dR ∝ R⁻⁵. A force ∝ u ∝ R⁻² would need a drag proportional to the flow speed, which requires viscosity. But the book's Roos calls the ether "non-viscous" and leans on the ideal-fluid result that a body in a parallel stream feels no force (d'Alembert's paradox), so his premises cannot give the 1/R² law they are meant to explain; and a viscous ether would also drag on moving planets, which is not observed.