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 2 of a letter requesting suggestions to overcome an engine difficulty that occurs when warm.
| Identifier | ExFiles\Box 40\4\ Scan241 | |
| Date | 2nd July 1925 guessed | |
| contd :- -2- the suction valve opened, and there would not be so much petrol vapour present in the air space. We also find it is not so noticeable when the engine is cold, but as soon as the engine warms up and imparts a certain amount of heat to the Autovac and suction pipe, the trouble asserts itself. We should be very pleased to hear of any suggestions which you can offer in order to enable us to overcome the difficulty. Thanking you in anticipation. Yours faithfully, | ||