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 concerning modifications to the DC-42 carburetter.
| Identifier | ExFiles\Box 122\2\ scan0319 | |
| Date | 19th January 1938 | |
| The ZENITH CARBURETTER CO LTD CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS: ZENICARBUR, PHONE, LONDON. CODE: A.B.C. 5TH EDITION. HONEYPOT LANE STANMORE MIDDLESEX ADJOINING QUEENSBURY UNDERGROUND STATION ALSO AT LYONS, PARIS, DETROIT, TURIN, BERLIN. TELEPHONE: WORDSWORTH 2213 19th January, 1938. Your ref: Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe}10/JH Messrs. Rolls-Royce Ltd., DERBY. Attention: Mr. Ratcliffe Dear Sirs, CARBURETTER DC-42 In reference to your letter of the 12th inst., we have already written you in respect to the suggested modification to the float chamber lids and to the details of the revised idle system. For this please see our letter TLT/GD of the 17th instant. As regards the damaged choke butterfly plates, we note your remarks and are preparing a scheme which allows of the butterfly valve being forced open when a blow-back occurs, whilst at the same time operating in the normal way for starting. This suggestion, of course, will entail modification to the choke levers, and will involve some additional expense, but we do not see how the requirement can be met without making some appreciable modification on the part of the inlet side of the carburetter, since we understand 1. | ||