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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 cylinder head investigation and various engine development projects.

Identifier  ExFiles\Box 30\4\  Scan193
Date  14th May 1934 guessed
  
(6)
ITEM. DESIGN POSITION.
--------------------------------------------------------------

CYLINDER HEAD INVESTIGATION AND SINGLE CYLINDER RESEARCH.
---------------------------------------------------------

Investigation of separately sprung valve push rod. Completed.
Modification to camshaft driving gears - 4 valve Completed.
ramp cylinder head.


R.R. 'A' ENGINE.
----------------

Cylinder head - 4 valve ramp type. Completed except for
end details.
Crankcase. - as P.V.G. Nearing completion.
Special camshaft drive to suit 4 valve ramp head. In hand.
Alternative cylinder construction for ramp head. Completed.


P.V.G.II ENGINE.
----------------

Reduction gear and front end auxiliaries. In hand.
Arrangement of rear end auxiliaries - above In hand.
crankshaft.
Arrangement of rear end auxiliaries - below In hand.
crankshaft.
  
  


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