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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).
Progress report on future development items for the Merlin engine, detailing the design position of various components.

Identifier  ExFiles\Box 161a\4\  scan0084
Date  27th May 1936
  
ITEM. (sheet 8) DESIGN POSITION.
MERLIN - FUTURE DEVELOPMENT.

Controls and pipe work for Hobson carburetter. In hand.
Alternative cylinder construction with clamped liner. In hand.
Farman 2 speed supercharger - investigation of clutch particulars obtained from Farmans. In hand.
-do- front gear housing oil jets and actuating shafts. Completed 13.5.36.
R.R. Hele Shaw airscrew hub to suit duralumin blades. In hand.
-do- governor pump drive. In hand.
Pancake type cylinder head - valve rocker geometry. Completed.
2 speed supercharger - spring drive with increased outer driving shaft splines. Completed 21.5.36
Pancake type cylinder head - camshaft drive. In hand.
" " " " - arrangement of camshaft auxiliary drives. In hand.
" " " " camshaft and rocker mechanism. In hand.
" " " " induction pipe arrangement. In hand.
" " " " cylinder and induction manifold. In hand.
2 speed supercharger - Tooth forms, moderate rotor shaft and clutch wheels (6.388 ratio). Completed 27.5.36.
" " " " Tooth forms, fully supercharger rotor pinion (8.75) ratio. Completed 27.5.36.
  
  


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