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 dynamometer pull against horsepower at various engine RPMs for a 14/52 axle.
| Identifier | ExFiles\Box 72\2\ scan0093 | |
| Date | 13th November 1928 | |
| A12879. AVERAGE 6 CARS 309-314 K.P. 500 RPM 750 RPM 1000 RPM 1250 RPM 1500 RPM 1750 RPM 2000 RPM 2250 RPM 2500 RPM DYNAMOMETER PULL - LBS HP = DYN. LOAD x ENG REVS / 2900 DYN. REVS = ENG. REVS x .621 ENG. REVS - DYN. REVS 500 - 310 750 - 465 1000 - 621 1250 - 776 1500 - 930 1750 - 1085 2000 - 1242 2250 - 1396 2500 - 1550 CHASSIS-DYNAMOMETER CHART. 14/52 AXLE HORSE POWER EUGENE DIETZGEN CO. CHICAGO-NEW YORK NO. 346 BX | ||