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).
Fail-safe mechanism where an engine reduces power upon failure of the electrical apparatus or oil pressure.
| Identifier | ExFiles\Box 181\M8\ img024 | |
| Date | 1st June 1917 | |
| To J.{Mr Johnson W.M.} from R.{Sir Henry Royce} 3. R3/B2:6:17. It will be noticed that any failure of the electrical apparatus or the oil pressure means that the engine will still run, but at a reduced power until it approaches the level of the earth, when it will again assume its nominal horse power. Attached to Mr. Nadin's copy of this note is sketch No. LeC.817, illustrating the regulating device. We are asking Messrs. Hives & Clark to test this in crude form if possible. R.{Sir Henry Royce} | ||