Development status report for the Merlin, Goshawk 'D', and Vulture engines.
| Identifier | ExFiles\Box 161a\4\ scan0055 | |
| Date | 31th March 1936 | |
| ITEM. (sheet 8) DESIGN POSITION. MERLINAero Engine - FUTURE DEVELOPMENT. Modified cylinder block with end to end coolant flow. Completed. Controls and pipe work for Hobson carburetter. In hand. Screening and controls for battery ignition. In hand. Oil pipe - filter to boost control to suit altered cylinder block. Completed. Farman 2-speed supercharger application - wheelcase. Completed. " " " - operating gear. Completed 31.3.36. " " " - gear drive & housings. Completed 31.3.36. Pancake head cylinder with screwed in liner. In hand. GOSHAWKAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine "D" ENGINE. Crankcase - upper half. Cancelled. " - lower half and oil pumps. " 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. | ||
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).