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 Dennis Brothers Ltd. regarding engine component specifications and weights.
| Identifier | ExFiles\Box 116\1\ scan0054 | |
| Date | 27th August 1938 | |
| BY APPOINTMENT HEAD OFFICE AND WORKS DENNIS BROS LTD COMMERCIAL VEHICLE AND FIRE ENGINE MANUFACTURERS GUILDFORD SURREY, ENGLAND A B C CODE 5TH EDITION LIEBERS 5 LETTER BENTLEYS MARCONI ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS TELEGRAMS: DENNIS GUILDFORD TELEPHONE GUILDFORD 1575 (7 LINES) DENNIS ESTABLISHED 1895 OUR REF JM{Mr Morley}/CS. YOUR REF Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}5/R.{Sir Henry Royce} 27th August, 1938. Messrs. Rolls Royce Ltd., DERBY. Dear Sirs, Aluminium Bearings in AC9 Alloy. In reply to your letter of the 25th inst., we have pleasure in forwarding you herewith a blueprint showing the crankshaft used on our current 100 x 120 4-cylinder "C" type engine. Used in this engine we have aluminium pistons which, complete with rings, gudgeon pin, circlips and the little end of the connecting rod, have a weight of 4.386 lbs. The connecting rod is of steel, and has the white metal run direct into the big end, and the total weight of the big end is 3.25 lbs. All our tests on this engine are being carried out at 3,000 r.p.m. Should you need any further information we should be only too pleased to let you have it upon learning your requirements. Yours faithfully, DENNIS BROTHERS LIMITED. Enc: CUSTOMERS' VEHICLES DRIVEN AT OWNER'S RISK ONLY. | ||