Page discussing the need to retard ignition by hand control to prevent engine detonation due to carbon build-up.
| Identifier | ExFiles\Box 37\1\ scan 077 | |
| Date | 1st June 1920 | |
| Contd. -3- Hs {Lord Ernest Hives - Chair} 7/LG25. 6. 20. necessary to retard the ignition by hand. We also find that when the engine is badly carboned up it is necessary then to retard by means of the Hand Control to avoid detonationñ. H & L S Hs. {Lord Ernest Hives - Chair} EXTRA R.R. 235a (50r) (S C. 753. 24-3-20) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2650 | ||
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).