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).
Endurance test results with primary volt-speed and ampere-speed curve data.
| Identifier | ExFiles\Box 48\2\ Scan156 | |
| Date | 21th August 1924 guessed | |
| -3- Contd. (7) Endurance test :- H.T. sparking OK. Contact breaker cam and rubbing block well lubricated. General condition OK. (8) Primary volt-speed curve :- Speed. Volts. Volts/Speed. 400 2.0 800 3.8 1200 5.5 1600 7.1 2000 8.5 2400 10.4 2800 11.7 3200 13.0 3400 13.8 (9) S.C. Primary ampere-speed curve. Speed. Amperes. Speed. Amperes. 100 .42 1200 2.11 200 1.55 1600 2.17 300 1.80 2000 2.21 400 1.90 2400 2.25 600 2.00 2800 2.29 800 2.07 3200 2.31 1000 2.09 3400 2.32 Contd. | ||