Design position report detailing modifications and future development for Merlin and Goshawk engines.
| Identifier | ExFiles\Box 161a\4\ scan0031 | |
| Date | 27th February 1936 | |
| ITEM. (8) DESIGN POSITION. MERLINAero Engine "E" ENGINE. - CONTINUED. Mods. to Hamilton airscrew oil relief valve. In hand. Travel of pilot throttle lever - Hobson Variable Boost Control. Completed 27.2.36. Modification to dual petrol pump. In hand. Adaptation of Hobson variable datum boost control to give increased boost for take off. In hand. Modified ignition conduit connections and clips. Completed 27.2.36. Increased capacity oil pumps. In hand. Modifications to S.U. carburetter. Completed 27.2.36. MERLINAero Engine "E" FUTURE DEVELOPMENT. Modified cylinder block with end to end coolant flow. In hand. Application of Farman 2 speed supercharger. In hand. Mounting of distributors - for battery ignition. In hand. Water pump with ball bearing rotor. In hand. Application of Hobson carburetter. In hand. GOSHAWKAero EngineCodename for 20HP Car / Aero Engine after KestrelAero Engine "D" ENGINE. Gits oil seal adaptation to airscrew shaft. In hand. Crankcase. 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).