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 The Light Production Co. Ltd. concerning piston cracking in 122 alloy and new die modifications for RR.53 castings.
| Identifier | ExFiles\Box 86\2\ scan0246 | |
| Date | 22th August 1934 | |
| TELEPHONE: VICTORIA 0671 (6 LINES). CODES: A.{Mr Adams} B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO. LTD PROPRIETORS OF THE LONDON PISTON RING CO. LIMITED. CHAIRMAN & MANAGING DIRECTOR: M.V. ROBERTS. DIRECTORS: C.E.GEORGE. WM. THIRTLE. ENGINEERS TELEGRAMS: INLAND, NAPOLEONIC, SOWEST, LONDON. FOREIGN, NAPOLEONIC, LONDON. 60/66, ROCHESTER ROW, WESTMINSTER, S.W.1 WORKS AND GOODS ADDRESS: 61/67, GREENCOAT PLACE, WESTMINSTER, S.W.1 OUR REF. CHB/IR YOUR REF. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}21/MJ. 22nd August 1934. Messrs. Rolls Royce Ltd., Experimental Dept., DERBY. Dear Sirs, For the attention of W.A.Robotham Esq. The writer found your communication dated 7th August awaiting his attention on returning from holiday, and we regret very much to note that we appear to have lost some ground on the pistons made in 122 alloy. We sincerely hope the cracks which have occurred are not so vital as to prevent your utilising the pistons. Our Works have now re-opened after the annual holiday, and we are just on the point of completing a die having extensive modifications, which we hope will enable us to make castings in RR.53 with much greater facility than previously. In view of your remarks, we will press this matter forward to the utmost, and will endeavour to have, some time next week, a set available in an unground condition, so that should you call for them, we can finish them off at short notice. You will also no doubt be interested to hear that we have been approached by another organisation on the matter of the treatment of pistons by anodising. This is a very welcome introduction, since the | ||