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).
Page from a report discussing engine balance, crankcases, and detectable movement at high speeds.
| Identifier | ExFiles\Box 137\4\ scan0090 | |
| Date | 1st October 1930 guessed | |
| -3- at high speeds. If there was anything detectable - say more than .015" - it would amount to another argument for balance weights and C.I. crankcases, etc. Also it might be interesting to motor 1-G-1 engine which has a very stiff type of crankcase. Rg{Mr Rowledge}/Tsn. | ||