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).
The failure of a new taper valve spring during testing and advising against its adoption.
| Identifier | ExFiles\Box 80\3\ scan0218 | |
| Date | 26th September 1912 | |
| R.R. 475 (100 H) (X 967. 22.5.12) E.P. 1898. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. Mr Barrington. DATE. 26.9.12 EP{G. Eric Platford - Chief Quality Engineer}18/T26912. X374 RE VALVE SPRINGS. Herewith one of the new taper valve springs which was broken on the Test Rig after running 50 hours, ie 3000 miles. No 6 Exhaust. This is one of the new type which, as I demonstrated to you, is not the same as those we have previously tested and which have been satisfactory. In view of this I do not agree that the above valve springs should be adopted as standard until we have further tested same, in view of the fact that they are not the same as those I tested as satisfactory. E.P. This sheet must be filed with the correspondence to which it refers. | ||