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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 modifications for the Goshawk and Kestrel engines.

Identifier  ExFiles\Box 30\4\  Scan204
Date  1st June 1934 guessed
  
(8)

GOSHAWK ENGINE - CONTINUED:- DESIGN POSITION.

ITEM.

Mods. to hand starter mechanism - two speed supercharger. Completed.

Piping layout for two speed supercharger. Completed.

Strengthened crankcase. In hand.


KESTREL ENGINE.

Generator pump for servo controlled gun gear. Completed.

Dynamo drive - modified ratio - 2.1 1 B & 10 engine. Completed.

Drive for eclipse vacuum pump. Completed.

Drive for Fimac vacuum pump. Completed.

Mod. to Herzmark compressor to suit standard camshaft. Completed.

Drive for Romec vacuum pump. Completed.

Strengthened air intake. Completed.

Oil feed and drain pipes - Automatic mixture control. Completed.

Modified triple gear type oil scavenging pump. Completed.

Modifications to automatic mixture control. Completed.

Screwed in cylinder liner. Completed.

Alternative type of screwed in cylinder liner. In hand.

Strengthened crankcase. In hand.
  
  


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