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).
The impracticality of a 'fast idle' device when a hand throttle is required for steep gradients.
| Identifier | ExFiles\Box 122\4\ scan0223 | |
| Date | 21th March 1939 guessed | |
| -4- The "fast idle" device is something we have not tried, but if the use of the hand throttle is essential on steep gradients, we can say straight away that it is impractical. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||