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).
Phantom II exhaust system and a new design for the aluminium silencer cutout.
| Identifier | WestWitteringFiles\V\October1930-February1931\ Scan259 | |
| Date | 29th January 1930 | |
| BY.{R.W. Bailey - Chief Engineer} FROM DA.{Bernard Day - Chassis Design} Copy to SG.{Arthur F. Sidgreaves - MD} Copy to HS.{Lord Ernest Hives - Chair} ORIGINAL PHANTOM 2. EXHAUST SYSTEM. ALUMINIUM SILENCER. DA{Bernard Day - Chassis Design}2/M29.1.30. x7230 Herewith we send N. sch. 7026. shewing the cutout arranged to avoid aluminium inside the silencer. It will be seen that it is still possible to remove the cutout as a unit. We have made the diaphragm plate rather thick to avoid any possibility of drumming, but it is stiffened by the cutout housing forging. DA.{Bernard Day - Chassis Design} | ||