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).
Instruction setting the specification speed limits from 700 rpm to 2800 rpm for magneto speeds.
| Identifier | ExFiles\Box 4\5\ 05-page314 | |
| Date | 27th October 1924 guessed | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. WA{Mr Wallis} 89(3) Customer's No. 19 From the above results it is thought that the speed limits for our specification should be from 700 rpm to 2800 rpm (magneto speeds) for any position of the advance lever. Signed H.E.W. This Sheet must be filed on completion of the work. | ||