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).
Progress report on single-cylinder and Kestrel engine research and development items.
| Identifier | ExFiles\Box 30\3\ Scan025 | |
| Date | 3rd December 1934 guessed | |
| (7) ITEM. DESIGN POSITION. SINGLE CYLINDER & GENERAL RESEARCH - CONTINUED:- Types of fuel valves for direct injection engines. Completed. Port dimensions EXE engine. Completed. Diagram of choke and jet areas. - 1 5/8 S.U.Carburetter. Completed. Modified Junk head - single cylinder sleeve valve engine. Completed. P.V.XII Single Cylinder Unit - Modified piston - bedding on the lands. In hand. KESTREL ENGINE. ------------ Adaptation of Hamilton V.P. Airscrew. Completed. Operating pump for Hamilton V.P. Airscrew. Completed. Oil pipe connections - Hamilton V.P. Airscrew. Completed. Modifications to front end of scavenge suction pipe. Completed. Automatic mixture control:- mod. to position of throttle control lever. Completed. Mixture valve setting:- reversed direction of operation. Completed. Modification to separated scavenge pumps. Completed. | ||