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 from The Lodge Sparking Plug Company requesting test results on various experimental sparking plugs.
| Identifier | ExFiles\Box 79\1\ scan0140 | |
| Date | 30th September 1918 | |
| X601 The Lodge Sparking Plug Company Limited. Rugby. Telegrams 'Lodge Rugby' Telephone Rugby 235. UNDER GOVERNMENT CONTROL. YOUR REF OUR REF AML/MAW Date 30th September 1918. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. For the attention of Mr. Hives. Dear Sirs, With reference to various experimental Sparking Plugs sent you on September 12th, we should be very much obliged if you would give us some information about the tests. Z.10 and Z.11 We have received back here the two dozen samples of this type and we should be glad if you can let us know if both types were running simultaneously on the same engine, and approximately how long they withstood the full load. KR5 We should be glad if you can now tell us how the 1 1/2 dozen samples of this plug have been behaving. You have returned an earlier batch of KR5 plugs but you still have the last lot in your hands. D.11 We should be glad to hear how the two dozen of these plugs are doing. We should like to know the approximate number of hours run and if they will stand up to the 10 minutes full load test without pre-igniting. KR3 Plugs with insulating tubes. You will remember that we sent. (Continued). | ||