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 to Tecalemit Ltd. regarding the shaft speed for an impulse coupling drive.
| Identifier | ExFiles\Box 141\2\ scan0214 | |
| Date | 28th August 1939 | |
| 1184 EXPERIMENTAL DEPARTMENT. Rm{William Robotham - Chief Engineer}/HFP.3/JH. 28th. August, 1939. Tecalemit Ltd., Great West Road, Brentford, Middx. For the attention of Mr.N.J.G.Hill. Dear Sirs, We have received your letter of August 23rd. and have pleasure in giving you the following information which we trust is what you require. The shaft from which we propose to drive the impulse coupling runs at speeds varying from zero to 400 r.p.m. and will under normal conditions not run continuously at speeds above 200 r.p.m. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||