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).
Log of performance readings including speed, main amperes, control amperes, and volts.
| Identifier | ExFiles\Box 36\4\ scan 055 | |
| Date | 24th January 1919 | |
| RR 300 (1208) (SF 349 24-1-19) MP 200552 90975 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No Customer's No. HB{C. E. Harcombe}45 Re | Speed | Main Amperes | Control Amperes | Volts | |---|---|---|---| | 1800 | 11.40 | +10.50 | 15.25 | | 1925 | 11.40 | +11.20 | 15.25 | | 2125 | 11.35 | +12.10 | 15.20 | | 2260 | 11.10 | +12.70 | 15.15 | | 2470 | 11.00 | +13.20 | 15.15 | | 2675 | 10.80 | +13.6 | 15.15 | | 2920 | 10.60 | +13.80 | 15.10 | | 3470 | 10.15 | +13.95 | 15.00 | | 3910. | 9.65 | 13.95 | 15.00. | | 705 | 0 | -4.7 | 13.50. | Signed This Sheet must be filed on completion of the work. | ||