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 Hoffmann Manufacturing requesting the creation of 3 experimental roller followers for a steering gear.
| Identifier | ExFiles\Box 153\1\ scan0043 | |
| Date | 14th September 1937 | |
| Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}11/AP. 14th September 1937 The Hoffmann Manufacturing Co.Ltd., CHELMSFORD For the attention of C.H.Smith Esq. Dear Sirs, We wish to try experimentally a lower gear ratio in one of our small steering gears and accordingly require some roller followers to the attached prints F.89669/70. Will you please make for us 3 rollers to these drawings. The inner races and dimensions of ball tracks, etc., are identical to your N.2970 and the material and preload should also be the same. An official order will follow in due course. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||