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).
The testing of an epicyclic equalizer, including notes on pedal pressure.
| Identifier | ExFiles\Box 73\2\ scan0129 | |
| Date | 12th July 1923 | |
| R.R. 493A (40 H) (SL 42 12-7-23). J.H., D.{John DeLooze - Company Secretary} EXPERIMENTAL REPORT. Contd. Expt. No. REF: Hs{Lord Ernest Hives - Chair}2/TS.12.23. EPICYCLIC EQUALIZER. We have tried one of these made to the latest instructions. It appears to work well and the trouble of the gear binding up has been overcome. We are measuring the loss in friction we get. Hispano. We attach herewith prints giving further particulars of these brakes. We are sending all the parts of the servo to W.W. Pedal Pressure. Tests we have made show that 150 lbs. can easily be exceeded on the brake pedal. We should say 150 lbs. represents an average high pressure, but if one is sitting in the right position it is possible to push 300 lbs. See original for photostats HS.{Lord Ernest Hives - Chair} | ||