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).
Test curves for a Bently No-1 starter motor, showing performance with a modified field winding.
| Identifier | ExFiles\Box 62\1\ scan0249 | |
| Date | 7th May 1934 guessed | |
| STARTER MOTOR TEST CURVES MOTOR TYPE - BENTLY N° - 1 R.R.SCH. 508 THIS MOTOR HAS THE MODIFIED FIELD WINDING TO DRAWING D.B. 626 B.H.P. CURVE OF STD. BENTLY MOTOR TO R.R.SCH. 399. SHOWN DOTTED Y-AXIS LABELS: EFFICIENCY, VOLTAGE, AMPERES, B.H.P, MOTOR ARMATURE SPEED (R.P.M.) X-AXIS LABEL: TORQUE (POUND INCHES) CURVE LABELS: AMPERES, EFFICIENCY, B.H.P, VOLTS, ARMATURE R.P.M. | ||