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).
Interim report following 6000 miles' running and a general examination of a car.
| Identifier | ExFiles\Box 71\3\ scan0087 | |
| Date | 27th January 1926 | |
| To CJ. from CWB. Copy to EF. Hs.{Lord Ernest Hives - Chair} 48900 CWB2/MM.27.1.26. - 11-EX - Interim Report After 6000 miles'running and general examination of the car. Total mileage . . . . . . . . 6.128 Total hours running . . . . . 210-1/4 Total petrol used . . . . . . .Information available here. Incomplete. Total lubricating oil added 6-3/4 pts. Average speed . . . . . . . . 29.1 miles per hour. Petrol consumption. . . . . under 10 miles per gal. Oil consumption . . . . . . . 7250 miles per gal. Generally, the car has run consistently and well, and I consider the results of the test, up to date, are satisfactory. There are two features which require instant attention. These are :- 1) Stickiness and stiffening up of steering after running. These two effects are quite distinct and altogether spoil the steering which is otherwise a great improvement on the old one, and is, in my opinion, generally satisfactory. 2) Collection of mud and grit in the front wheel brakes. The brake covers are inefficient and, in the condition of the roads out here, permit large collections of road material in the brake drums, which completely spoils the action of the front wheel brakes, and renders them practically ineffective. There are a few minor features which are more inconveniences than troubles, and which require attention at an early date. These are :- 1) The controls rattle in the steering column. 2) The engine appears to lose tune, and the valve tappet clearances do not remain as set. 3) The butterfly throttle appears to collect grit at intervals, which leads to its not closing when the car is over-running and causes bad popping in the exhaust. Dealing with the examination now made, the following is the condition of the various parts of the car :- P.T.O.... | ||