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).
Letter to Lodge Plugs Ltd. concerning special 14 m/m plugs for the 25 HP car and misfiring issues with C.3 plugs.
| Identifier | ExFiles\Box 162\6\ img145 | |
| Date | 29th April 1932 | |
| X442.5. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}10/MA. April 29th, 1932. Messrs. Lodge Plugs Ltd., Rugby. For the attention of Mr. Bernard Hopps. Dear Sirs, We thank you for your letter BH/EW of the 28th inst., and note that you will shortly supply us with some special 14 m/m plugs for 25 HP car. With reference to the misfiring of the C.3 plug on magneto ignition we are sending herewith as requested drawings showing the plug positions on the standard production. P. 2 car cylinder heads. We use two different heads giving different compression ratios and enclose a print of each. Yours faithfully, FOR ROLLS ROYCE LIMITED. | ||