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).
Investigation into exhaust system design and harmonics for a small and rigid saloon.
| Identifier | ExFiles\Box 110\2\ scan0003 | |
| Date | 24th September 1940 guessed | |
| small and rigid saloon. The investigation indicates that an 'A' member might make a good exhaust system difficult whilst a cross can be made which will not preclude a resonator at nodal points to deal with the 3rd. 5th. and 7th. harmonics. Original of PL.379 to Rm{William Robotham - Chief Engineer}/HH. Prints to Rm.{William Robotham - Chief Engineer} Ev.{Ivan Evernden - coachwork} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Ashby. | ||