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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 detailing the status of modifications for Goshawk, Kestrel, and P.V.XII engines.

Identifier  ExFiles\Box 30\4\  Scan194
Date  14th May 1934 guessed
  
(7)

GOSHAWK ENGINE. DESIGN POSITION.

ITEM

Redesigned automatic mixture control. 90% completed.

Shaft drive for dragless mounting - propeller 90% completed.
end.

2 speed supercharger - actuating mechanism. Completed.

Tecalemit filter on pressure side of oil pump. in hand.

Investigation into possibilities of .400 reduction in hand.
gear.

Modification to spring drive lubrication - additional oil release holes. Completed.

Modified fixing of end coupling - Westland shaft drive. Completed.


KESTREL ENGINE.

R.A.E. Mixture control on I.B. engine. Completed.

Modification to spring drive lubrication - Completed.
additional oil release holes.

R.A.E. Mixture control on M.S1 engine. Completed.

Generator pump for servo controlled gun gear. in hand.

Improved scavenger pump - for engines with Completed.
compressor drive.


P.V.XII ENGINE.

Roller bearing for supercharger planet wheels. Design work stopped temporarily.
  
  


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