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).
Drawing LeC.3541 for a 20/25 HP engine breather modification, referencing the Bentley design.
| Identifier | ExFiles\Box 5\1\ 01-page171 | |
| Date | 7th July 1933 | |
| To BY: RM{William Robotham - Chief Engineer} c. Hs.{Lord Ernest Hives - Chair} X1770. K/JNR.{Charles L. Jenner}3/HP.7.7.33. 20/25 HP. We send you herewith drawing LeC.3541 showing the breather for the engine connected between the rocker cover and the resonance air silencer. With this scheme it will be necessary to make communicating holes through the crankcase and the bottom face of the cylinder block, exactly as is done on the Bentley. [Handwritten]: WYNN PLEASE ARRANGE WITH G.W.H. TO FIT TO 18GTV K/JNR.{Charles L. Jenner} [Sideways handwritten text]: Cancelled. You cannot have so-called 'live' to-and-from dockets. NAC | ||