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).
Page discussing the alteration of blower ports to achieve desired boost levels.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page207 | |
| Date | 19th July 1932 | |
| -2- Hs{Lord Ernest Hives - Chair}/Rs.{Sir Henry Royce's Secretary}2/WA.{Mr Wallis}19.7.32.Cont'd.{John DeLooze - Company Secretary} By altering the ports of the blower we can obviously make it suitable for any desired boost. Hs{Lord Ernest Hives - Chair}/Rs.{Sir Henry Royce's Secretary} Att: Hs.{Lord Ernest Hives - Chair}PR.20. | ||