Blueprint graph showing Brake Horse Power curves for standard and modified Phantom III starter motors.
| Identifier | ExFiles\Box 62\1\ scan0336 | |
| Date | 9th November 1935 guessed | |
| B.H.P. CURVES OF PHANTOM III STARTER MOTORS B.H.P. STANDARD MOTOR MODIFIED WITHOUT TEAZER FIELD. STANDARD MOTOR. TORQUE (LB-Ins) Y-Axis Values: 0, .3, .6, .9, 1.2, 1.5 X-Axis Values: 0, 30, 60, 90, 120, 150, 180, 210, 240, 270 | ||
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).