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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).
Progress report on design modifications for the Spectre chassis.

Identifier  ExFiles\Box 30\3\  Scan012
Date  17th November 1934 guessed
  
(3)

ITEM. DESIGN POSITION.
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SPECTRECodename for Phantom III CHASSIS - CONTINUED.

Experimental exhaust manifold (sheet metal). Completed.
Coachwork drawing - radiator and headlamps for 2nd.chassis. Completed.
Modified position of body brackets. Completed.
Modified dashboard. (for 2nd. chassis). Completed.
Gearbox - modification to actuating sleeve (3rd. and top) to reduce cost. Completed.
I.F.W.S. Stop to limit compression of damper bellows. Completed.
Servo gears - 2/21 ratio and speedometer drive to suit. Completed.
Clutch pressure fingers to suit new type clutch. Completed.
Clutch pedal and clutch operating lever to suit new type clutch. Completed.
Modified starting handle. (2nd. chassis). Completed.
Rear silencer - (enlarged outlet - increased ground clearance). Completed.
Modification to marine type connecting rods. Completed.
Layout for flat-fronted sloping radiator. In hand.
Layout for Vee fronted sloping radiator. In hand.
Raised petrol tank with outside filler. In hand.
Modifications to gear box casing to accommodate larger servo. Completed.
Revised servo for semi servo system. In hand.
  
  


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