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 A.E.C. Co. Ltd. inquiring why they have abandoned the Cadillac silent tappet.
| Identifier | ExFiles\Box 17\6\ Scan263 | |
| Date | 28th June 1934 | |
| 47060 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}12/KW. 28th June, 1934. The A.E.C. Co. Ltd., Southall. For attention of Mr. Rackham. Dear Sirs, Mr. Ricardo has informed us that you have used the Cadillac silent tappet but have recently abandoned it. We have been working on this device for about twelve months and are at the present moment getting some very satisfactory results. We shall be most interested to know whether you have abandoned it for any technical reason or reasons of cost. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||