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).
Proposal to fit retaining rings to Bentley valves to prevent them from dropping into the cylinder.
| Identifier | ExFiles\Box 88\4\ scan0048 | |
| Date | 20th March 1934 | |
| GRX x254 To RHC.{R. H. Coverley - Production Engineer} from E/JNR.{Charles L. Jenner} E/JNR.{Charles L. Jenner}5/HP.20.3.34. c. Hs.{Lord Ernest Hives - Chair} re Bentley Valves. We are contemplating fitting rings to the Bentley valves to prevent the valve dropping into the cylinder when a valve spring breaks. We send you herewith LeC.3838 shewing the design. Will you please make up for our inspection one Bentley valve with the groove in the stem and one retaining ring. E/JNR.{Charles L. Jenner} | ||