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).
Wraith Spring Drive and fitting a crankshaft damper.
Identifier | ExFiles\Box 8\5\ 05-page23 | |
Date | 2nd March 1938 | |
To HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}9/JH.2.3.38. 617 WRAITH SPRING DRIVE. ECD.336 crankshaft damper with solid drive for fan pulley. In reply to your memo. HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}16/BA.1.3.38. we would like the above scheme fitting to 29.G.VI. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||