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).
Design position report listing the status of research and development items for various aero engines.
| Identifier | ExFiles\Box 30\3\ Scan016 | |
| Date | 17th November 1934 guessed | |
| (7) ITEM. DESIGN POSITION. ------------------------------------------------------------------------- SINGLE CYLINDER AND GENERAL RESEARCH - CONTINUED. Proposed needle roller small end bearing 5" diameter piston. Completed. Bearing load diagram - Goshawk. Completed. Aero.Universal single cyl. unit - 1/4 scale arrangement showing oil and water pipes. In hand. 12 cyl. 2 stroke sleeve valve engine - sleeve drive from crankshaft. In hand. Dynamo to provide battery ignition for aero. engines. In hand. KESTREL ENGINE. --------------- Variable pitch airscrew hub. In hand. Modification to packless gland water pump. Completed. Modification to front end of scavenge suction pipe. In hand. Automatic mixture control - modification to position of throttle control lever. In hand. VULTURE ENGINE. --------------- Reduction gear and front end auxiliaries. In hand. Supercharger gearing - two speed. In hand. Revision of cylinder head. In hand. Alternative water, oil and petrol pump drives. Completed. | ||