Modifications to the brake levers and cams for the servo system on a car.
| Identifier | ExFiles\Box 88\2\ scan0113 | |
| Date | 18th June 1935 | |
| X260 To RHC. {R. H. Coverley - Production Engineer} c. to Hs {Lord Ernest Hives - Chair} /Std. Hs {Lord Ernest Hives - Chair} /FJH. {Fred J. Hardy - Chief Dev. Engineer} 3/KW.18.6.35. Servo on 2-B-IV. Re our memo. Hs {Lord Ernest Hives - Chair} /FJH. {Fred J. Hardy - Chief Dev. Engineer} 7/KW.17.6.35 concerning the servo on Lp {Mr Lappin} 's car. Will you please fit to the servo 6 spring rings C.010" thick to Hs. {Lord Ernest Hives - Chair} 1803 as on 5-B-IV and 21-G-IV, and in addition the altered brake levers as follows to prevent the servo coming on to its stops :- (1) Lever on front brake equaliser shaft for front brake ropes to Ex.12676/7, 1.800" long. (2) Going away lever on rear brake equaliser shaft, EX.14670, 2.450" long, (3) Lever on rear brake equaliser shaft from servo cams, Hs. {Lord Ernest Hives - Chair} 1801, 2.50" long. The servo cams should be of 35° angle. Hs {Lord Ernest Hives - Chair} /F.J.Hardy. | ||
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).