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).
Resolving noise issues in a balancing cam mechanism and tappets by fitting new parts.
| Identifier | ExFiles\Box 82\2\ scan0199 | |
| Date | 15th September 1934 guessed | |
| -3- The balancing cam mechanism was very noisy and new rollers and pins were fitted to the cam followers and these new parts improved the balancing cam mechanism considerably. Nos. 1 & 2 tappets were noisy and new rollers and pins were fitted to these parts also. Attached is curve G.V.48 showing power curves with various cylinder blocks and the different valve timings used during the tests. Hs{Lord Ernest Hives - Chair}/R.Matthews. | ||