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).
Status report on modifications and future developments for the Merlin 'F' engine.
| Identifier | ExFiles\Box 161a\4\ scan0108 | |
| Date | 30th July 1936 | |
| ITEM. (8) DESIGN POSITION. MERLIN "F" ENGINE. Adaptation of oil relief valve to suit Hamilton Constant Speed unit operation. In hand. Pipe system for Hamilton Constant Speed Unit. In hand. Drive for Frazer Nash gun turret pump. In hand. Modified screw and locking tab. No.5. oil pipe connection. Completed. Widened auxiliary driving gears, rear cylinder head. Completed 6.7.36. Mod. to priming pipes - olive joints in place of standard unions. " 4.7.36. Mod. to supercharger elbow - blind bosses for screwed inserts. " 9.7.36. Conduit screened ignition wiring - mod to rear 6 wire conduit. " 8.7.36. " " " fixing of front end cap of centre conduit. " 8.7.36. Airscrew shaft bore modifications - enamelling etc. " 10.7.36. Mod. to exhaust manifold flange. " 10.7.36. Altitude and enrichment needles to suit modified ratings. " 30.7.36. Increased capacity roller bearing - upper vertical drive. " 9.7.36. MERLIN ENGINE - FUTURE DEVELOPMENT. Supercharger rotor with relieved back plate. " 8.7.36. Cylinder and cylinder head wedges - material alteration " 8.7.36. Hele Shaw Airscrew - Layout of oil pipes. " 10.7.36. " " " Pump and governor unit. In hand. | ||