List of future development items and their design position for the Merlin, Goshawk, and Vulture engines.
| Identifier | ExFiles\Box 161a\4\ scan0065 | |
| Date | 12th May 1936 guessed | |
| ITEM. (7) DESIGN POSITION. MERLINAero Engine - FUTURE DEVELOPMENT. Pancake cylinder head - KestrelAero Engine six stud type. In hand. Alternative cylinder construction with clamped liner. In hand. Farman two-speed supercharger - investigation of clutch particulars obtained from Farmans. In hand. GOSHAWKAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine "D" ENGINE. Supercharger. In hand. Connecting rods. In hand. Investigation of re-arranged auxiliary drives. In hand. VULTUREExperimental 6 CYL OHV LONG STROKE / Aero Engine ENGINE. Crankcase. In hand. Reduction gear design. In hand. Engine attachments to frame work. In hand. Airscrew shaft. In hand. Supercharger. In hand. Electric turning gear. In hand. Dynamo and water pump drives. In hand. Supercharger drive layshafts and auxiliary drives at front end. In hand. | ||
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).