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).
Noisy hydraulics potentially caused by a sticking shock-damper ball valve, with an accompanying blueprint.
| Identifier | ExFiles\Box 105\3\ scan0048 | |
| Date | 13th December 1928 guessed | |
| contd :- We think this may be the cause of some complaints of noisy hydraulics. We should like the point to be watched on production and test. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} STICKING SHOCK-DAMPER BALL VALVE | ||