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 to try a modified exhaust system on a Bentley Car 1.B.50, deleting the rear silencer.
| Identifier | ExFiles\Box 112\2\ scan0135 | |
| Date | 8th September 1938 | |
| 823. To HPc. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}7/JH.8.9.38. Exhaust system - BENTLEY CAR 1.B.50. We wish to try the exhaust system on the above car using the middle silencer only. Will you please therefore make a 2.00" dia. coupling up pipe from the middle silencer to the tail pipe, entirely deleting the rear silencer. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||