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).
Summary and analysis of an American sports car, discussing its performance, engine, and vibration issues.
| Identifier | ExFiles\Box 128\1\ scan0063 | |
| Date | 16th October 1929 guessed | |
| -4- badly at low speeds, full throttle opening in spite of its poor M.E.P. (Long duration camshaft?). We therefore deduce that it has a high compression ratio. SUMMARY. A most interesting car being the first American effort at producing a motor regardless of expense. Considering its immaturity, it is very successful as a sports two seater, particularly with regard to its directional and road holding qualities. As a closed car the exhaust boom would put it out of the luxury market at once. It raises rather an interesting point as to whether the present type of silencer can be made to cope adequately on a closed car with the exhaust of a high efficiency engine of say seven litres capacity. Certainly by the size of the silencer the problem has not been ignored on this car. One other point of interest is that in spite of the fact that the power unit is a straight eight, and the crankshaft, crankcase etc. of massive proportions, it is found necessary to mount the engine on rubber to reduce vibration. HS{Lord Ernest Hives - Chair}/an. | ||