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).
Graph showing starter motor test curves for the Peregrine engine.
| Identifier | ExFiles\Box 179b\2\ img132 | |
| Date | 18th November 1932 guessed | |
| STARTER MOTOR TEST CURVES PEREGRINE No - P4 AMPERES VOLTS EFFICIENCY B.H.P. SPEED TORQUE (POUND INCHES) 25 30 35 40 45 50 55 60 | ||