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 S.U. Co. Ltd. requesting an alteration to the armature diameter for high-pressure pumps.
| Identifier | ExFiles\Box 149\4\ scan0316 | |
| Date | 4th June 1937 | |
| 1263 Experimental Dept. Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems}11/JH. 4th June, 1937. The S.U.Co.Ltd., Bordesley Green Road, Adderley Park, Birmingham. For the attention of Mr.Cooper. Dear Sirs, With reference to the high pressure pumps which you are making for us. The drawing for the armature No.1789 the outside diameter is given as 1.732" 1.729" will you please alter this to 1.727" 1.724". You supplied us with pumps that had the armatures reduced .005 in dia. which were more satisfactory and did not affect the working of the pump. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||