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).
Modified sparking plug inclination for a single-cylinder, high-power head.
| Identifier | ExFiles\Box 134\2\ scan0078 | |
| Date | 5th September 1936 | |
| X 1129 To RHC.{R. H. Coverley - Production Engineer} Copy to Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} NY. [Strikethrough] Ba. [Strikethrough] Hs{Lord Ernest Hives - Chair}/Edwards. ---------------- E/PSN.1/MN.5.9.36. ---------------- Car Universal Single Cyl. Unit. Single Inlet Valve High Power Head. We send you herewith two prints of RS.{Sir Henry Royce's Secretary}314 of a modified sparking plug inclination for the above cylinder head. An existing casting, which we understand is available, can be used, and all other parts will be existing. Will you please proceed with this modified head as soon as possible as further development will depend on the results obtained with the inclined sparking plug. E/PSN. Att: RS.{Sir Henry Royce's Secretary}314. | ||