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).
Typed report assessing the performance of a vehicle's engine, gears, and clutch.
| Identifier | ExFiles\Box 23\2\ Scan006 | |
| Date | 16th April 1918 | |
| say were just Good. Engine gears Very fair all round evidently metal gears, rather inclined to be rattly at slow speeds and to sing at high speeds which is our usual trouble with metal gears. The gear ratio of the axle felt about the same as R.R. actually 3 to 1 therefore a little lower. Clutch was quite good and quite the best oiled-plate clutch I have tried but it has the usual trouble of grabbing when finally engaging. Changing gear Very Good, one is able to change gear roughly without causing much undue noise or knocking of the gears. One can feel the side shaft engagement when changing gear. There is no jingling noise when clutch is disengaging. The engine is not very flexible at slow speeds and one cannot | ||