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 modifications and future developments for the Merlin 'F' engine.
| Identifier | ExFiles\Box 161a\4\ scan0121 | |
| Date | 5th September 1936 | |
| ITEM. (9) DESIGN POSITION. MERLIN "F" ENGINE - CONTINUED. Variable initial location for dynamo drive idler wheel. Completed 5.9.36. Modified position of clip for front suction oil pipe. " 5.9.36. Two position control for Hamilton pump valve. In hand. Increased range of adjustment for Hele Shaw blade. In hand. Modified camshaft bearing bolt. Completed 5.9.36. Boost control regulator valve to overcome sluggish operation, " 21.8.36. MERLIN ENGINE - FUTURE DEVELOPMENT. Modified cylinder block studs and tapping. Completed 12.8.36. Modifications to airscrew blade adaptor thread forms. " 13.8.36. Hele Shaw airscrew - pump and governor unit. In hand. " " " blade root incorporating redesigned threads. Completed 26.8.36. Claudel Hobson carburetter - arrangement of controls. In hand. " " " oil connections. In hand. Lightened engine - Magnesium air compressor drive housing D.4593. In hand. " " " water pump. Completed 1.9.36. " " " air compressor drive " D.4208. " " " " " supercharger gear housings, front and rear. " " " " " front and rear filter casings. " " | ||