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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 the Spectre chassis.

Identifier  ExFiles\Box 30\3\  Scan176
Date  3rd May 1935 guessed
  
(3)
ITEM. DESIGN POSITION.

SPECTRECodename for Phantom III CHASSIS - CONTINUED:-

Gearbox modification to actuation to suit 2" shorter gear Completed.
change lever.

Gearbox permanent scheme for ball bearings for existing In hand.
SpectreCodename for Phantom III gears.

Gearbox inspection cover to see actuation mechanism. Completed.

Gearbox alternative front and rear suspension. Completed.

Improved appearance of steering column controls. Completed.

Air cooled dynamo and drive:- 1¼ times engine speed. In hand.

Modifications to carburetters. In hand.

Provision for supporting rear of engine when clutch is dismantled. In hand.

Complete revision of body mounting, including chassis frame revision. Completed.

Modified throttle controls. In hand.

Modifications to idler and crankcase to suit larger slipper wheel. In hand.

Improved front ground clearance, and increased rebound. Completed.

Variable rating front suspension adapted to unit construction shock In hand.
dampers.

Modified front engine mounting - to suit 1¼ times engine speed In hand.
dynamo.
  
  


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