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).
Page discussing operational risks and the reduction of voltage/ampere output at high speeds.
| Identifier | ExFiles\Box 165\6\ img028 | |
| Date | 28th June 1926 | |
| Contd. -3- EFC3/T28.6.26. generally speaking it would be so extremely risky as to be considered quite out of the question except in grave emergency. EFC. At speeds higher than those sufficient to bring the voltage up to 18.0, the volt and ampere output become reduced. | ||