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 Zenith Carburetter Co. Ltd. regarding the design and testing of their inverted carburettors for a 20 HP six-cylinder engine.
| Identifier | ExFiles\Box 122\1\ scan0087 | |
| Date | 7th May 1931 | |
| K1053 CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS' OWN RISK AND RESPONSIBILITY. Telegrams: "ZENICARBUR, PHONE", LONDON. Telephones MUSEUM 9106-9. Code: A.B.C. 5TH EDITION. THE ZENITH CARBURETTER CO. LTD. 40-42, NEWMAN STREET, LONDON, W. 1 Also at LYONS, PARIS, DETROIT, MICH. (U.S.A.) MILAN, THE HAGUE, TURIN. Messrs. Rolls-Royce, Ltd., Derby. [STAMP: RECEIVED 8 MAY 1931] [STAMP: EXPL. DEPT.] Your Reference Hs{Lord Ernest Hives - Chair}/LOV.{Mr Lovesey}7/KT. Dear Sirs, We beg to acknowledge receipt of your letter of the 4th instant, reference as above, and note that you are prepared to test two of our 36 inverted carburettters on your 20 H.P. six cylinder engine. We have therefore started the design of a pipe to suit these carburettters. You will find enclosed herewith a drawing of a suggested induction pipe to accomodate our 36 D.U.P. carburetter. In order to miss the steering column and to retain the ease of removing the float chamber, which is a feature of our "U" carburettters, we have had to turn the carburetter so that the float chamber opens towards the engine, but we do not think that from a performance point of view, this should be -contd.- | ||