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 Air Ministry regarding the testing and development of sample sparking plugs with integral screening.
| Identifier | ExFiles\Box 58\2\ Scan243 | |
| Date | 16th October 1935 | |
| TEL. No. HOLBORN 3434. Any communications on the subject of this letter should be addressed to :- THE SECRETARY, AIR MINISTRY, ADASTRA HOUSE, KINGSWAY, LONDON, W.C.2. and the following number quoted :- 186753/32/R.D.E.3/E.M.E. 86000 AIR MINISTRY, LONDON, W.C.2. 16th October 1935. Sparking Plugs Integral Screening Gentlemen, We are forwarding to you herewith three sample sparking plugs which have integral screening. These particular samples have been made by Lodge Plugs Ltd and it is understood that you have also received samples from K.L.G. Sparking Plugs. The difficulties which have been experienced in service with the detachable type of screen cowl, particularly on account of inaccessibility, point to development in the direction of integral screens, and it is desired that you will give this your attention please. Would you please examine the samples forwarded to you and test whether they are suitable for development on your engines and if not, in what direction they should be modified to render them suitable. In the event of your requiring further supplies of the types herewith, will you please advise R.D.E.3. I am, Gentlemen, Your obedient Servant, E.{Mr Elliott - Chief Engineer} Mayne Entinger for Assistant Director/R.D.E. for Director of Technical Development. BP Messrs. Rolls-Royce Ltd, DERBY. [STAMP: ROLLS ROYCE LTD DERBY 17 OCT 1935] [STAMP: RECEIVED] | ||