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).
Blank graph for plotting Starter Motor Brake Efficiency and performance characteristics.
| Identifier | ExFiles\Box 35\4\ scan 110 | |
| Date | 7th March 1922 guessed | |
| STARTER MOTOR BRAKE EFFICIENCY TORQUE (POUND INCHES) 0 10 20 30 ELECTRICAL H.P. 0 4 8 12 16 20 24 28 32 36 40 EFFICIENCY 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 VOLTAGE 0 2 4 6 8 10 12 14 16 18 20 AMPERES 0 25 50 75 100 125 150 175 200 225 250 B.H.P. 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 R.P.M. 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 | ||