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 K.L.G. Sparking Plugs Ltd. regarding eroded plugs and mica insulation issues.
| Identifier | ExFiles\Box 58\3\ Scan125 | |
| Date | 4th April 1930 | |
| X19180 Expl. Dept. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} 3/MJ. April 4th.1930. Messrs. K.L.G. Sparking Plugs Ltd., Robinhood Engineering Works, Putney Vale, LONDON.S.W.15. Dear Sirs, For the attention of Major Carington. We are sending you under separate cover, two of the new type K.L.G. plugs with which you supplied us for our car engines. You will see that these have eroded and were discarded after 9,000 miles because they had upset the slow running of the car. Our designers have taken exception to the stepped form of wrapped mica insulation and want to know whether you can provide us with something in the washer form of mica. Actually, in service these plugs have not given us any trouble with pre-ignition. Yours faithfully, For Rolls-Royce Ltd. | ||