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).
Test results for the Wraith II gearbox support bracket 'Silent Bloc' bush.
Identifier | ExFiles\Box 8\7\ 07-page20 | |
Date | 22th August 1937 | |
6227g RM{William Robotham - Chief Engineer}/CRY J R WRAITH II GEAR BOX SUPPORT BRACKET 22-8-37 NSCH 4862. Herewith the results of the tests requested in RM{William Robotham - Chief Engineer}/WYM.{G. Harold Whyman - Experimental Manager}S/JH 18.2.37 from which it will be seen that this type of "Silent Bloc" bush is considerably stiffer about the perpendicular axis (b) than about the normal axis (a) - as anticipated. the 25/30 HP mounting tests will follow as soon as possible. WYM{G. Harold Whyman - Experimental Manager} M Bell | ||