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).
Engine oil supply during inversion and the adoption of a relief and non-return valve for existing engines.
| Identifier | ExFiles\Box 179b\3\ img346 | |
| Date | 20th March 1933 | |
| -2- Ha/Yng.4/WJ.20.3.33. Cont'd.{John DeLooze - Company Secretary} nearer the engine the quantity will be less on the assumption that during inversion the oil supply line between the tank and the pump is emptied into the engine. As regards the adoption of the scheme for existing engines. The relief valve and non-return valve probably could be made up as a unit to screw into the engine lower half in place of the scavenge oil union body. In this case the conversion would be simple, light, easy to fit, and involve a minimum of alteration to the aircraft installation. Ha/H.B.Young. Attached: Two photographs & One Print (No.963). | ||