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).
Requesting clarification on the sufficient diameter for a copper pipe to ventilate an engine.
| Identifier | ExFiles\Box 74\3\ scan0121 | |
| Date | 5th May 1921 | |
| To Hs.{Lord Ernest Hives - Chair} from Da.{Bernard Day - Chassis Design} X3908 Da{Bernard Day - Chassis Design}2/G3.5.21. X.3908 - RE 40/50 H.P. BREATHER. In referring to the apparatus for preventing fumes getting into the body the other day, I should have asked you to let us know, in accordance with Mr. Royce's wishes, whether a .625" diameter copper pipe would be sufficient to ventilate the engine. Da.{Bernard Day - Chassis Design} | ||