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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 on items for the Griffon, Kestrel, and P.V. XII engines.

Identifier  ExFiles\Box 30\4\  Scan109
Date  23th February 1934
  
E/Lid.{A. J. Lidsey}1/HP.23.2.
34.

GRIFFON ENGINE.
----------------

ITEM. DESIGN POSITION.
-----------------------------------------------------------------
Spur Reduction Gear and water pump. In hand.


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

Battery Ignition (Delco Remy). Completed.

Supercharging through carb: - control modification. Completed.

Automatic mixture control for Heyford
Aircraft - with provision for
extra richening. In hand.


P.V. XII ENGINE.
----------------

Modification to rear end of crankcase to overcome
cracking. Completed.

Roller bearing for supercharger planet wheels. In hand.
  
  


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