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 The Society of Motor Manufacturers and Traders Limited providing statistics on belt drive vs. positive drive usage in cars.
| Identifier | ExFiles\Box 112\2\ scan0122 | |
| Date | 18th November 1937 | |
| STD P 1044 Telephone: Whitehall 7901 (6 lines) Telegrams: Movendum, Piccy, London. THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD The Society of Motor Manufacturers and Traders Limited. 83, Pall Mall. London. S.W.1. 824 Please address reply to Technical Department. Your Ref: Rm{William Robotham - Chief Engineer}/Std./MH.{M. Huckerby} Our Ref: Q. RECEIVED Wn NOV 19 1937 18th November, 1937. Rolls-Royce, Ltd., Nightingale Road, D E R B Y. Dear Sirs, With further reference to your letter of the 2nd November, while enquiries have not resulted in information in the form desired by you, I trust that the following particulars will be of useful interest. The number of makes of cars using belt drive for the water pump compared with the number of makes on which positive drive is used is in the ratio of 11 : 4. The number of cars using belt drive for the dynamo compared with the number of cars using positive drive is in the ratio of 9 : 2. Yours faithfully, A.{Mr Adams} Clutterbuck Technical Department. RH.{R. Hollingworth} | ||