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 Messrs. Rapson providing tyre performance data and arranging a test for new tyres on a 40/50 HP car.
| Identifier | ExFiles\Box 39\1\ Scan097 | |
| Date | 19th May 1924 | |
| V1238 Hs{Lord Ernest Hives - Chair}4/LG. 19th. May 1924. Messrs. Rapson, Burlington Rd., New Malden, Surrey. Dear Sirs, With reference to your letter ref. FLR/DLM. of the 16th.inst. The answers to your queries are as follows :- 1. The average speed of the car is approximately 30 m.p.h., on some runs it may be as high as 34/35 m.p.h. 2. The average life of other makes of tyres fitted to the rear wheels is 7300 miles. 3. The greatest distance run on a rear cover is 9852 miles. With reference to the 33 X 5 tyres which you are sending to us for test on a 40/50 HP. car. The car to which these will be fitted will be run in France. It will be run at high speeds. We wish to send with the Car 4 spare tyres. Will you please send us a quotation for these as we do not expect you to supply them free-of-charge. contd:- | ||