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).
Engine performance, gearing ratios, and suitability for Australian conditions.
| Identifier | ExFiles\Box 69\4\ scan0353 | |
| Date | 17th October 1927 guessed | |
| - 4 - that of the S.G. yet it is at practically the same revs. and with the higher geared axle it makes the maximum torque speed of the W.P. car approximately five miles an hour faster than the S.G. As the W.P. engine is designed to run up to much higher revs. than the S.G. I think it would suit Australian conditions admirably if geared at 14/52, giving increased acceleration and better hill climbing together with a somewhat higher maximum speed. P.S. Per F.Mo | ||