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).
Comparison of Rolls-Royce and Westinghouse starting motors, detailing performance metrics.
Identifier | ExFiles\Box 23\2\ Scan077 | |
Date | 18th May 1921 guessed | |
COMPARISON OF ROLLS-ROYCE AND WESTINGHOUSE STARTING MOTORS. R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} TORQUE @ 1 Ft. WEST. R.R. % INCREASE 1 3900 2740 40 2 2780 1990 40 3 2310 1590 45 4 1960 1350 45 6 1430 1050 36 8 1050 850 23.5 10 780 670 16. EFFICIENCY WEST. R.R. 58 52.5 63 61.5 63.7 63.5 63.5 62.8 61.5 56.5 57. 48.5 50 40. AMPERES WEST. R.{Sir Henry Royce} R.{Sir Henry Royce} 82 54 120 78 149 97 173 111 221 140 269 168 318 196 HORSE POWER WEST. R.{Sir Henry Royce} R.{Sir Henry Royce} % INCREASE .64 .48 33.5 1.08 .74 46. 1.33 .91 46. 1.52 1.08 40.5 1.68 1.22 38. 1.69 1.32 28. 1.56 1.31 19. TEMPERATURE 80° F.{Mr Friese} AUTOMOTIVE ENGINEERING DEPT. R.{Sir Henry Royce} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} THOMPSON, ENGINEER. R.{Sir Henry Royce} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Thompson | ||