Weight reduction for the Wraith III exhaust system.
| Identifier | ExFiles\Box 8\8\ 08-page14 | |
| Date | 7th September 1937 | |
| To HPS. {Horace Percy Smith - Experimental Factory Mgr} from Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} X 623 Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} 9/MH. {M. Huckerby} 7.9.37. WRAITH III EXHAUST SYSTEM. We are trying to get some weight off our exhaust system on the above car and would like a system building up and fitting to the first car available in similar gauge material to that used generally on American cars. This can then be compared with our own system for durability, noise and weight. We require the scheme of sliding joints and clips similar to LeC.5376 in place of flanges and to avoid beating our one pipe to fit over another pipe of the same dia., we have arranged the various pipe diameters and gauges so that they will all be a sliding fit in their respective positions. Specification of the pipes etc. herewith. 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).