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).
Request for a complete analysis of a badly pitted S.S. engine exhaust valve to determine its material and the cause of the pitting.
| Identifier | ExFiles\Box 14\6\ Scan092 | |
| Date | 11th July 1929 | |
| To Hl. from Hs{Lord Ernest Hives - Chair}/AJL. X7230 Hs{Lord Ernest Hives - Chair}/AJL1/MJ.11.7.29. S.S. Engine. Exhaust Valves. We hand you herewith an S.S. exhaust valve which is one of a set taken from an engine after approx: 14,000 miles running. The valve seat is very badly pitted. Would you give us a complete analysis of the valve material, brinnel etc., also we should welcome any information regarding the cause of the 'pitting', is it corrosion or is it some other action? Hs{Lord Ernest Hives - Chair}/AJL. | ||