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 detail drawing of a modified piston for the Wraith III.
| Identifier | ExFiles\Box 9\1\ 01-page19 | |
| Date | 13th December 1938 | |
| Dr/es. c. Rm.{William Robotham - Chief Engineer} 636. BY/NS.{Norman Scott}12/G.13.12.38. WRAITH 111. PISTON. Will you kindly produce a detail drawing of a piston with parallel ring land, similar to EW.2065, except that the dimension from centre line of gudgeon pin to top of crown is reduced by .030. The piston ring grooves are to be lowered by the same amount. This piston is then to be instructed for use with the Klingerite gasket. BY/NS.{Norman Scott} | ||