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 results of endurance, short circuit, and open circuit tests, including a volt-speed curve.
| Identifier | ExFiles\Box 48\2\ Scan197 | |
| Date | 14th May 1926 guessed | |
| (3) (6) Endurance test :- OK (7) Short circuit test :- OK (8) Open circuit test :- Would not spark regularly at safety gap - suggests gap too large. (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 2.22 .00555 800 4.17 .00522 1200 5.90 .00492 1600 7.45 .00466 2000 8.73 .00437 2400 10.90 .00454 2800 12.27 .00438 3200 13.66 .00427 3400. 14.20 .00418 Contd. | ||