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).
Vehicle testing in France, detailing faults found with oil temperature and transmission.
| Identifier | ExFiles\Box 179b\2\ img145 | |
| Date | 11th November 1932 | |
| ORIGINAL R.{Sir Henry Royce} From He/Ms. c.c. to Mr. c.c. to Hal. c.c. to Da.{Bernard Day - Chassis Design} c.c. to Hy.{Tom Haldenby - Plant Engineer} c.c. to R.V. Y4013 Y4027 He/So.19/MA.E.11.11.32. II P.III IN FRANCE. ------------------- This car was, of course, sent over to France in an early stage of development to prove the durability of the main features under road conditions. Most of the faults mentioned below were known and the next car, which should be ready in three weeks, should be better with regard to every item mentioned. About 3,500 miles had been completed when we left France. The main features requiring further attention are:- (1) Oil Temperature. The English results have been confirmed. Over about 80 miles it was established that when running at 65 m.p.h. the oil temperature stabilised at between 105 - 110°C with an air temperature of 3°-4°C. These conditions probably account for the high oil consumption. (2) Transmission rattles & choke in the drive. There are various periods which, from experience at Derby, we believe will be eliminated by flexibility in the clutch centre. The rattles at very low speeds are emphasised by the poor slow running, but appear to be worse since we introduced the additional joints in the transmission. Care was taken before the car left to see that these had the least possible slack. Tests are being continued with softer rubber in the clutch centre. Its durability is our main concern. | ||