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).
Letter confirming operational engine speed limits will not be exceeded except for short sprints.
| Identifier | ExFiles\Box 89\5\ scan0105 | |
| Date | 18th April 1940 | |
| 2.61 Teddington Works WINDMILL ROAD SUNBURY-ON-THAMES TELEPHONE SUNBURY-ON-THAMES 456. WMH/GN: Your Ref: Rm.{William Robotham - Chief Engineer}19/ML: April 18th, 1940. W.A. Robotham Esq., Messrs. Rolls-Royce Ltd. D E R B Y. Dear Mr.Robotham, Many thanks for your letters of the 12th and 15th April. I won't exceed 4000 r.p.m. except for very short sprints. I have written a note to Mr.Hives as suggested. With many thanks for your help and kindest regards, Yours sincerely, [Signature] W.Martin-Hurst. | ||