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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 components for the Kestrel and Goshawk engines.

Identifier  ExFiles\Box 30\4\  Scan314
Date  18th October 1934 guessed
  
- 10 -

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

KESTREL ENGINE.
---------------

Variable pitch airscrew hub. In hand.

Valve gear to suit ramp cylinder head. Completed.

Double springs for F/S.clutch - two speed supercharge. Completed.

Generator pump for Lewis Gunners installation - alternative
mounting of ball bearing. Completed.

Piston - 6.5 to 1 Compression ratio - to suit ramp cyl.
head. Completed.

Piston - 6.5 to 1 Compression ratio - to suit standard
engines. Completed.

Inlet and exhaust rockers - ramp cyl. head. Completed.


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

Valve gear to suit ramp cyl. head. Completed.

Double springs for F/S clutch - two speed supercharger. Completed.

Piston - 6.5 to 1 compression ratio - to suit ramp or
standard cyl: head. Completed.
  
  


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