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 'E' engine.
| Identifier | ExFiles\Box 161a\4\ scan0040 | |
| Date | 13th March 1936 | |
| ITEM. (7) DESIGN POSITION. MERLIN "E" ENGINE. Mods. to diffuser stud covers on rear half supercharger casing. Completed 11.3.36. Cyl. head and locating washers, screwed plug replaced by taper plug, oil drain. Completed 11.3.36. Mods. to inserts for throttle relief valve cap. Completed 12.3.36. Modified cylinder head oil drain drilling for existing unmachined castings. Completed 13.3.36. Modified cylinder head oil drain drilling for future castings. In hand. Application of modified Lockheed pump. In hand. Extra priming connection on supercharger elbow. In hand. MERLIN FUTURE DEVELOPMENT. Modified cylinder block with end to end coolant flow. In hand. Application of Farman two speed supercharger. In hand. Mounting of distributors -- for battery ignition. Completed. Water pump with ball bearing rotor. Completed. Rear half supercharger casing. - for Hobson carburetter. Completed 11.3.36. Controls and pipe work - for Hobson carburetter. In hand. Screening and controls for battery ignition. In hand. | ||