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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 on the Merlin 'E' engine, listing completed tasks and future developments.

Identifier  ExFiles\Box 30\4\  Scan005
Date  6th September 1935
  
M.{Mr Moon / Mr Moore} (e) DESIGN POSITION.

MERLIN 'E' ENGINE (i.e. REVISED MERLIN 'C').

Control bracket. Completed 5.9.35.
Modification to generator oil pump. Completed 26.8.35.
Ignition wire conduit screening. Completed 5.9.35.
Outlet water rails for front header tank. Completed 23.8.35.
Redesigned dual petrol pump. Completed 6.9.35.
Hardened tips for inlet valves - investigation in experimental shops. Completed.
Modification to cylinder liner. Completed 27.8.35.
Stiffened coupling shaft, Completed 30.8.35.
Modified camshaft drive. Completed 5.9.35.
Proposed lightened reduction gear - future development. Completed 6.9.35.
Modified water pipe clip to suit altered bottom half cr{Mr Cra???ster / Mr Chichester}'case. Completed 5.9.35.
Low pressure oil pipes. In hand.
Carburetter jacket connections. In hand.
Scavenge oil circulation through throttle spindles. In hand.

MERLIN 'E' FUTURE DEVELOPMENT.

Induction System. In hand.
Cylinder head with end to end coolant circulation. In hand.
  
  


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