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 including brake torque, current, and speed.
| Identifier | ExFiles\Box 70\4\ scan0167 | |
| Date | 30th July 1929 | |
| Top of page: -2-, 10+ Table Headers: Column 1: Date Column 2: Motor design Column 3: (8) Brake torque 20 to 36 lb-inches Column 4: Current 13 to 15 amperes Column 5: (9) Brake torque <900 lb-ins Column 6: Speed Column 7: (10) Remarks Column 8: (11) Remarks Column 9: (12) Torque lb-ins 50-250 Column 10: (13) Remarks Table Data: Row 1: 20-7-29, CD 25, 49.5, 13.0, 930, 960, OK, OK 7.quiet., 165.8, OK Row 2: 22-7-29, FA 95, 49.6, 13.7, 969, 960, O.K., Moderate teazer operations., 153.0, Pinion examined O.K. Row 3: 25-7-29, CD 35, 22.5, 13, 960, 960, OK, OK, 191.0, Retested 24-8-29 OK Row 4: 25-7-29, CD.45, 48.0, 13.5, 1007, 960, O.K., 7. quiet. OK Extensive teazer operation test, 174.0, Pinion examined O.K. Row 5: 24-7-29, CD 55, 48.0, 13.5, 1,002, 993, O.K., OK 7. quiet., 143.4, Pinion examined O.K. Row 6: 27-7-29, CD 65, 52.6, 13.7, 990, 900, O.K., Moderate Extensive teazer action Pinion dry. O.K., 108.0, Pinion run dry examined OK Row 7: 26-7-29, CD 75, 48.0, 13.6, 934, 900, O.K., Moderate Extensive teazer operation. OK, 132.0, Pinion examined ok Row 8: 30-7-29, CD 85, 34.6, 13.0, 996, 993, OK, Bad bouncing on return, 157.0, OK | ||