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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).
Status report on development items for the Spectre and Wraith chassis.

Identifier  ExFiles\Box 30\4\  Scan260
Date  31th July 1934 guessed
  
(4)

ITEM
DESCRIPTION.

SPECTRECodename for Phantom III CHASSIS - CONTINUED:-

Filter for auto adjusting tappets. - In hand.
Alternative short duration camshaft and valve springs to suit. - In hand.
Single plate clutch - with alternative back plates. - Completed.
Modification to reduce weight of crankshaft. - In hand.
Front dumb iron and bumper bracket. - In hand.
Modification to 2nd speed sliding pieces. - Completed.
Lightened fan pulley - spring drive. - Completed.
Enclosed drive limousine. - Completed.
Method of assembling main lever in spring pot - I.F.W.S. - Completed.
Method of retaining bolts for shock damper control unit. I.F.W.S. - Completed.
Modifications to central web of crankcase to facilitate removal of sand. - In hand.
Lightened camshaft wheel. - Completed.
Modification to pivot bolting to facilitate changing brake shoes (front and rear). - Completed.

WRAITH CHASSIS.

Silent chain timing drive layout. - Completed.
Rear wheel and brake drum. - In hand.
  
  


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