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).
Experiment testing a Swan Neck Silencer Pipe made of heavier material to cure a booming sound.
| Identifier | ExFiles\Box 152\3\ scan0020 | |
| Date | 17th July 1913 | |
| +442 From Exp. Dept. Copies for: Mr Johnson. Mr Royce. Mr Nadin. Mr Elliott. Wor{Arthur Wormald - General Works Manager}/EH17/L16713. July 17th. 1913. Report on Experiment No.171 Swan Neck Silencer Pipe made of heavier material. This was tested specially to try and cure the booming which we get with the swan neck silencers. It was no improvement as regards the booming. | ||