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 design items for the Merlin 'F' engine and its future development.
| Identifier | ExFiles\Box 161a\4\ scan0074 | |
| Date | 9th May 1936 | |
| ITEM. (8) DESIGN POSITION. MERLIN "F" ENGINE - CONTINUED. Deletion of coolant restrictor plug between exhaust ports. Completed 9.5.36. Drive for Frazer Nash gun turret pump. In hand. MERLIN - FUTURE DEVELOPMENT. Controls and pipe work for Hobson carburetter. In hand. Pancake head cylinder with screwed in liner. Put aside. Pancake cylinder head, Kestrel six stud type. In hand. Alternative cylinder construction with clamped liner. In hand. Farman 2 speed supercharger - investigation of clutch, particulars obtained from Farmans. In hand. Farman 2 speed supercharger - Tooth forms - moderate speed rotor pinion and clutch wheel. Completed. Farman 2 speed supercharger - Tooth forms - high speed layshaft pinion and wheel. Completed. Farman 2 speed supercharger - Tooth forms - moderate speed layshaft driven gear. Completed. Farman 2 speed supercharger - Tooth forms - clutch weights. Completed. Farman 2 speed supercharger - front gear housing, oil jets and actuating shafts. In hand. R.R. Hele Shaw airscrew hub to suit duralumin blades. In hand. -do- governor pump drive. In hand. | ||