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).
Tractive resistance curve graph for an Oldsmobile, plotting horsepower and seconds against miles per hour.
| Identifier | ExFiles\Box 155\1\ scan0322 | |
| Date | 24th June 1937 | |
| AT BROOKLANDS OLDSMOBILE TRACTIVE RESISTANCE CURVE. H.P. REQUIRED AT ROAD WHEEL WEIGHT - 31 CWTS. 1 QR. M.P.H. HP 60. 25.4. 50. 15.8 40. 8.1 30. 5.0 20. 2.82. SECS. H.P. M.P.H. F.D. 1-7-37 | ||