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).
Comparison of plungers and springs between Cadillac and R.R, focusing on leakage factor.
| Identifier | ExFiles\Box 106\5\ scan0069 | |
| Date | 12th September 1932 | |
| -3- Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}3/MA.12.9.32. Cont'd.{John DeLooze - Company Secretary} and apparently rely on the accuracy of the clearance between Plunger and Casing so that it seems that we must reduce the leakage Factor considerably and certainly not exceed that of Cadillac. Below is a comparison of Cadillac and R.R plungers and Springs etc. Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews} | ||