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 detailing the status of components for the Merlin 'D', Buzzard, and Goshawk 'A' & 'B' engines.
| Identifier | ExFiles\Box 30\3\ Scan143 | |
| Date | 3rd April 1935 guessed | |
| (10) ITEM. DESIGN POSITION. MERLIN "D" ENGINE. - CONTINUED:- Lower half crankcase. Put aside. Reduction gear dynamo drive and gun gear. " " Alternative pent house cylinder head. In hand. " crankcase construction. In hand. Installation drawing. Completed. Servo for operation of two speed supercharger gear.In hand. BUZZARD ENGINE. Application of automatic mixture control. In hand. GOSHAWK "B". Modification to cylinder head:- additional core plugs. Completed. Increased layshaft centres supercharger drive 10:1 ratio. In hand. Electric turning gear. In hand. GOSHAWK "A". Application of Hamilton airscrew (Mods. to scheme as applied to Kestrel.) In hand. | ||