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).
Chassis dynamometer chart plotting horsepower against dynamometer pull for various engine speeds.
| Identifier | ExFiles\Box 72\2\ scan0092 | |
| Date | 13th November 1928 | |
| A12880. AVERAGE 6 CARS 309-314 KP EUGENE DIETZGEN CO., CHICAGO-NEW YORK NO. 346 BX MADE IN U.S.A. DYNAMOMETER PULL - LBS 2500 RPM 2250 RPM 2000 RPM 1750 RPM 1500 RPM 1250 RPM 1000 RPM 750 RPM 500 RPM HP= DYN LOAD x ENG REVS 3060 DYN REVS = ENG REVS x .588 ENG REVS - DYN REVS 500 - 294 750 - 441 1000 - 588 1250 - 735 1500 - 882 1750 - 1030 2000 - 1176 2250 - 1320 2500 - 1470 CHASSIS DYNAMOMETER CHART 13/51 AXLE HORSE POWER | ||