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).
Examination of a broken exhaust valve from a Wraith vehicle following a failure.
| Identifier | ExFiles\Box 10\3\ 03-page061 | |
| Date | 1st September 1937 | |
| File 654 To H1. from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}7/MH.{M. Huckerby}1.9.37. EXHAUST VALVE. This memo to confirm that you will examine the broken exhaust valve which has been handed to Mr. Whitehead with a view to finding out any explanation for the failure. The actual valve failed after 7,000 miles in France on Wraith (26.G.VI), the material being KE.965 (stellited) and to E.61299. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||