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).
Letter regarding repeated valve spring failures on a Bentley in Detroit and a Society of Automotive Engineers (S.A.E.) paper on 'Knee Action'.
| Identifier | ExFiles\Box 173\1\ img211 | |
| Date | 25th January 1934 | |
| F / Rm{William Robotham - Chief Engineer} 20 / KW 5 2 34 Detroit Athletic Club Detroit Hs{Lord Ernest Hives - Chair} JAN 25TH / 34 My time has been somewhat occupied in getting the Bentley to Detroit owing to the repeated valve spring failures. I dared not run the risk of a valve dropping into the cylinder and writing off the engine so I finally left the car & got a complete set of new valve spring made in Detroit. I am fetching it tomorrow. I got in for several S.A.E. papers as there has been a meeting of the society here. Olley read a paper on "Knee Action" which was a summary of the information I have already given you. I contacted with the man who has been doing Chryslers riding work and he says that with their | ||