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).
Calculations for various steering ratio configurations.
| Identifier | ExFiles\Box 67\3\ scan0257 | |
| Date | 12th June 1925 guessed | |
| STEERING RATIOS:- 48430 E.A.C. 8.375 RAD. P Q STD. Q/P = (2π 8.375 x 2.3) / (9.5 x 1.125) = 11.33 LARGE DIA .720 LEAD 10.5 PENDULUM. Q/P = (2π 8.375 x 1.750) / (10.5 x .720) = 12.15 LARGE DIA .720 LEAD 9.5 PENDULUM. Q/P = (2π 8.375 x 1.750) / (9.5 x .720) = 13.45 LARGE DIA .625 LEAD 10.5 PENDULUM Q/P = (2π 8.375 x 1.750) / (10.5 x .625) = 14.0 LARGE DIA .625 LEAD 9.5 PENDULUM Q/P = (2π 8.375 x 1.750) / (9.5 x .625) = 15.5 | ||