From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Blueprint graph and equations for Double Resonance Response Curves by E.T. Paris.
| Identifier | ExFiles\Box 104\2\ scan0039 | |
| Date | 9th July 1932 guessed | |
| SHEET I DOUBLE RESONANCE RESPONSE CURVES BY E.T. PARIS IN PROC' ROYAL SOC LONDON VOL I EQUATION FOR THE DOUBLE RESONATOR N⁴ - N² [ (μ+1)n₁² + n₂² ] + μn₁² n₂² = 0 EQUATION ① WHERE N = FREQUENCY OF COMBINATION n₁² = FREQUENCY OF FIRST CHAMBER n₂² = FREQUENCY OF SECOND CHAMBER μ = C₁/C₂ OR RATIO OF CONDUCTIVITY OF FIRST CHAMBER TO CONDUCTIVITY OF SECOND CHAMBER. ① REDUCES TO N/n₂ = C₁/C₂ N (1 - n₁²/N²) WHERE BY y = N²/n₁² AND y' = C₁/C₂ N/n₂ RESPONSE CURVES GALVO DEFLECTION OR DAMPING CAPABILITIES VIBRATIONS / SEC Curve labels: n₁=78, n₂=73; n₁=78, n₂=69; n₁=78, n₂=66 | ||