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 log sheet recording motor performance metrics like brake torque, current, and speed.
| Identifier | ExFiles\Box 70\4\ scan0161 | |
| Date | 4th September 1929 | |
| -2- Date Motor desig (8) Brake torque > 20 lb-inches. Current 13 to 15 amperes. (9) Brake torque ≤ 900 lb-ins Speed (10) Remarks (11) Remarks (12) Torque lb-ins 50-250 (13) Remarks 11.7.29 AT WJ.35 44.2 13.0 923 975 OK - 234 OK 12.7.29 VK95 33.75 113.0 971 896 Stuck once Noise moderate - 165 OK =4.9.29. | ||