Test results for a Lucas E575 Dynamo, showing output readings at various speeds.
| Identifier | ExFiles\Box 36\4\ scan 052 | |
| Date | 27th May 1920 | |
| RR 300 (120B) (SF. 349 24-1-19) MP 200552 X. 3014b 90972 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Order No. Customer's No. HB {C. E. Harcombe} 42. Date: 27/5/20 Re: X. 3014b Lucas E575 Dynamo No R1341 Out-put cold 18°C Table: Speed | Amperes | Volts 610 | 0 | 12.25 650 | 1.50 | 12.30 700 | 3.80 | 12.40 780 | 5.80 | 12.65 860 | 7.40 | 12.80 920 | 8.60 | 13.00 1010 | 9.80 | 13.30 1080 | 10.65 | 13.45 1150 | 11.00 | 13.60 1200 | 11.50 | 13.70 1250 | 11.90 | 13.80 1310 | 12.15 | 13.90 Left Margin: E 575. Signed: (Courty) This Sheet must be filed on completion of the work. | ||
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).