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).
Approval letter from the Air Board for a hydrogen priming device on new primers for Eagle and Falcon engines.
| Identifier | ExFiles\Box 37\3\ scan 007 | |
| Date | 16th February 1918 | |
| COPY. AIR BOARD TECHNICAL DEPT: Technical Building. Embankment, London. W.C.2. 275/7230 Ap.D(E). Room S.220 Ext. 1420 16th Feb. 1918. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, HYDROGEN PRIMING DEVICE. With reference to your letter dated the 7th. Feburary. ref. BY/RB{R. Bowen}12/P7218, re the above question the scheme submitted for adopting a hydrogen priming device on the new primer, is approved, and it is desired as soon as an experimental set is ready that arrangements be made for fitting it to an engine on test. It is requested that you will kindly notify us and the hydrogen bag will be forwarded to your Works and a trial start made. Kindly furnish the necessary notification covering the new type of primer and embodying this new feature for Eagle and Falcon engines. Yours truly, for Controller Technical Dept: (A.F.) | ||