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).
List of modifications and their completion dates for the Merlin 'F' Engine, sheet 9.
| Identifier | ExFiles\Box 161a\4\ scan0009 | |
| Date | 21th January 1936 | |
| (sheet 9) ITEM DESIGN POSITION MERLIN "F" ENGINE.- CONTINUED. Modified serrations for water pump rotor shaft. Completed 2.1.36 Modification to R.A.E. compressor mounting. " 3.1.36 " to hand starter outrigger bracket. " 9.1.36 Adaptation of Hamilton V.P. airscrew for test fan purposes. " 6.1.36 Mod. to airscrew oil pipe to clear cylinder holding down stud boss. " 8.1.36 Controls for S.U. carburetter automatic mixture control. " 9.1.36 Cylinder head with pocketed inlet side sparking plug. " 9.1.36 Modified rocker geometry - for experiment. " 15.1.36 Water pump - alternative types of glands. " 14.1.36 Modification to oil relief valve casing. " 14.1.36 " to dynamo drive coupling. " 14.1.36 Improved cylinder head cooling and improved rocker geometry - permanent scheme. " 21.1.36 Air intake flange. " 21.1.36 Strengthened Morganite block - water pump. " 17.1.36 Mod. to Vee serration airscrew shaft. " 21.1.36 " to wheelcase top cover to assemble gear case with cyls.in position. " 21.1.36 " to planet needle rollers. " 21.1.36 | ||