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).
The testing and design of a Phantom III air silencer.
| Identifier | ExFiles\Box 93\2\ scan0133 | |
| Date | 7th February 1936 | |
| x308 To E.{Mr Elliott - Chief Engineer} c. to By.{R.W. Bailey - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} Hs{Lord Ernest Hives - Chair}/Wym.{G. Harold Whyman - Experimental Manager}1/KW.7.2.36. Phantom III Air Silencer. We have now tested the designed air silencer to LeC4880 on 32-EX car and find that it is only approx. 50% effective due to its small capacity. We havemade up another air silencer of much larger capacity, which gives us 100% silence, and have handed same to E.{Mr Elliott - Chief Engineer} for a design. This should be the silencer to go into production. Hs{Lord Ernest Hives - Chair}/G.H.Whyman. | ||