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 progress report on Kestrel and Vulture engine components.
| Identifier | ExFiles\Box 30\3\ Scan026 | |
| Date | 3rd December 1934 guessed | |
| (8) ITEM. KESTREL - CONT'D.{John DeLooze - Company Secretary} DESIGN POSITION. Mixture Unit Lever movement relative to valve movement. Completed. Modifications to cylinder studs - ramp head. Completed. RR. variable pitch airscrew hub. In hand. Modifications to two speed superchargers. In hand. VULTURE ENGINE. Reduction gear and front end auxiliaries. In hand. Supercharger gearing - two speed. In hand. Revision of cylinder head. Completed. Supercharger casing - front. Completed. Compressor drive and combined electric and hand starter. Completed. Installation drawing. Completed. Drawings for wooden models of supercharger casing. Completed. Lower half crankcase. In hand. Drive for generator oil pump. Completed. Starter motor flange. In hand. | ||