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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 status report on modifications for the Goshawk and Merlin engines.

Identifier  ExFiles\Box 30\4\  Scan151
Date  13th April 1934 guessed
  
(7)

ITEM. DESIGN POSITION.
------------------------------------------------------------------

GOSHAWK ENGINE.
---------------

Modification to steam separator. Completed.

Redesigned automatic mixture control. In hand.

Two speed supercharger. In hand. Delayed due to
illness of draughtsman.

Modifications to hand starter engagement mechanism
to suit two speed supercharger. Completed.

Modifications to dynamo drive. Abandoned.

Shaft drive for dragless mounting. - Engine end. Completed.

Modified piston - Additional scraper ring -
To reduce oil consumption. Completed.

Revised free wheel for supercharger drive. Completed.

Shaft drive for dragless mounting - Propellor end. In hand.

Cylinder construction investigation. In hand.


MERLIN ENGINE.
--------------

Main oil pipe. Completed.

Water pump. 90% completed.


All work on the Merlin engine has now ceased.
  
  


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