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 results for endurance, short circuit, open circuit, and an open circuit primary volt-speed curve.
| Identifier | ExFiles\Box 65\3\ scan0064 | |
| Date | 23th August 1927 guessed | |
| -4- Contd. (6) Endurance test:- OK. (7) Short circuit test :- OK. (8) Open circuit test :- OK. (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 2.73 .0068 800 4.76 .0060 1200 6.71 .0056 1600 8.65 .0054 2000 11.22 .0056 2400 13.05 .0054 2800 14.77 .0053 3200 16.60 .0052 3400 17.51 .0052 Contd. | ||