Requesting an examination of cracks found on trial exhaust valves with stellite faces.
| Identifier | ExFiles\Box 158\4\ scan0258 | |
| Date | 11th August 1938 | |
| 1360 To Hl. from Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 2/MH. {M. Huckerby} 11.8.38. EXHAUST VALVES. Exhaust valves have been supplied for trial by Roy {Mr H. Royce - Buyer} /Les. as acquired from Motor Components. These are in S/SLV with stellite face and upon crack testing before fitting into an engine reveal cracks around the joint between the stellite and the steel. Will you please examine these cracks and give us your findings as to how far they extend in the section and whether the material has suffered in the process of stelliting etc. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
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).