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).
Alterations to pump components, including valves and diaphragms, to improve performance and reduce noise.
| Identifier | ExFiles\Box 149\1\ scan0299 | |
| Date | 10th September 1936 | |
| -3- Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}21/KW.10.9.36. Other features such as finish of the valve chests, brass valves in place of bakelite, and alteration to valve retaining clip were discussed and inspected. The position at the moment is, with the new diaphragm we expect to overcome leaky pumps, more consistent delivery, quieter when hot. In the future we hope to get still quieter pumps. Hs{Lord Ernest Hives - Chair}/G.W.Hancock. | ||