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 report detailing endurance, short circuit, and open circuit tests, including a volt-speed curve.
| Identifier | ExFiles\Box 48\2\ Scan258 | |
| Date | 26th March 1925 guessed | |
| (3) (6) Endurance test :- H.T sparking OK. Slight carbon deposit inside the distributor. Gears show signs of hard meshing in places. Contact breaker and other parts OK. (7) Short circuit test :- OK (8) Open circuit test :- OK (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 2.76 .069 800 4.91 .061 1200 6.79 .056 1600 8.33 .052 2000 10.26 .051 2400 11.88 .049 2800 13.05 .047 3200 14.05 .044 3400. 14.82 .044 Contd. | ||