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 single cylinder, Kestrel engine, and general research items.
| Identifier | ExFiles\Box 30\3\ Scan036 | |
| Date | 17th December 1934 guessed | |
| - 8 - ITEM. DESIGN POSITION. SINGLE CYLINDER AND GENERAL RESEARCH. Modifications to existing bearing testing rig. In hand. Investigation of possibilities of new bearing test- -ing rig. In hand. Stressing of the aero universal single cylinder unit. Completed. Pot for testing "Merlin II" type cylinder bottom joint gland. In hand. 12 Cyl. 2 stroke sleeve valve engine - Theoretical investigation of gas flow. In hand. KESTREL ENGINE. RR. Variable pitch airscrew hub. In hand. Mod. to two speed supercharger. Completed. Mod. to oil pump driving gear for simplified manufacture. Completed. Automatic mixture control - mod. to throttle lever. Completed. Modified control fork sleeve - 2 speed supercharger. Completed. Controls for two speed supercharger. Completed. | ||