Clarifying a fault with Lodge plugs was misfiring, not pre-ignition, and requesting more for testing on the Goshawk engine.
| Identifier | ExFiles\Box 162\6\ img065 | |
| Date | 24th November 1924 | |
| TO HS. {Lord Ernest Hives - Chair} FROM R. {Sir Henry Royce} X4425 R2/M18. 11. 24. re. LODGE PLUGS. I believe we gave you the impression that these plugs were liable to cause pre-ignitions on our pump engine. This is not so. The fault was mis-firing through wide points, and perhaps oxydisation. Will you please send us 12 more plugs for further experience on our GoshawkAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine. [Stamp] RECEIVED R.R. 10 JUL 1934 | ||
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).