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 from Humber Ltd. to W.A. Rowbotham concerning research into breaking valve springs.
| Identifier | ExFiles\Box 126\2\ scan0038 | |
| Date | 30th June 1936 | |
| LE Smith How do these springs look on the Americans Chart X1069 TELEPHONE 5041 COVENTRY. TELEGRAMS: HUMBER, COVENTRY. HUMBER LTD. COVENTRY. Rm{William Robotham - Chief Engineer} Our Ref:BBW/EWC/AMS/MJ. 30th June,1936. Your Ref:-Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/16/KW. W.A.Rowbotham Esq., Messrs.Rolls Royce Limited, D E R B Y. Dear Mr.Rowbotham, Further to the interim acknowledgement of your letter of the 15th instant, the information concerning the Valve Springs breaking and details of the research we have carried out here have now been prepared by our Technical Staff, and I am pleased to say that we have now got out of the difficulty which we were experiencing. I shall be very interested indeed to hear from you after you have read through the report, how our practice compares with yours, both in regard to design and material. Might I ask you if you would be good enough to let us have information parallel to that given in our report on your various designs. This would be greatly appreciated. I sincerely trust the information contained in our report is helpful to you, and should you wish to raise any queries I shall be only too pleased to help with any further details. Yours sincerely, [Illegible Signature] | ||