Proposed modification to the Wraith exhaust system's rear silencer.
| Identifier | ExFiles\Box 8\8\ 08-page31 | |
| Date | 14th February 1938 | |
| 623 TO By. {R.W. Bailey - Chief Engineer} c. to By {R.W. Bailey - Chief Engineer} /NS. {Norman Scott} Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} 1/JH.14.2.38. WRAITH EXHAUST SYSTEM. We are considering a modification to the rear silencer on the Wraith exhaust system and therefore suggest that production of the existing silencer should be held up for the time being. We are at present running a modified silencer on 25.G.IV car in France and will be able to tell you something definite in 2 or 3 weeks time. A sketch of the modified silencer we are proposing to use i.e. Rm. {William Robotham - Chief Engineer} 466 is available if you require it. Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} | ||
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).