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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 document outlining the status of future developments and modifications for the Merlin and Merlin 'G' engines.

Identifier  ExFiles\Box 161a\4\  scan0122
Date  5th September 1936 guessed
  
ITEM. (10) DESIGN POSITION.

MERLIN ENGINE - FUTURE DEVELOPMENT - CONTINUED.

Lightened engine - Magnesium top casing starter motor. Completed 1.9.36.
" " generator bracket. " "
" " R.A.E. compressor housing. In hand.
" " Lockheed pump housing. Completed 1.9.36.
" " Control bracket cap. " 1.9.36.
2 Speed Supercharger - low pressure oil pipes. " 5.9.36.
Modified ignition coil with clamped windings.

MERLIN "G" ENGINE.

Hele Shaw airscrew - layout of oil pipes. In hand.
Ignition wire conduits. Completed 24.8.36.
Top water rails - front outlet. " 14.8.36.
Cyl. block - modified inlet port floor. " 4.8.36.
Cyl. liner top joint - radiused joint ring. " 13.8.36.
Low pressure oil feed to camshafts. " 15.8.36.
Modified inlet connection - cylinder block. " 15.8.36.
Mods. to cam and rocker mechanism. " 29.8.36.
" " camshaft rear bracket. " 31.8.36.
  
  


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