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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 progress report for the Spectre chassis, listing components and their completion status.

Identifier  ExFiles\Box 30\4\  Scan147
Date  13th April 1934 guessed
  
- 3 -

ITEM        SPECTRECodename for Phantom III CHASSIS -CONTINUED:-        DESIGN POSITION
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Inlet and Exhaust valve lift diagrams.            Completed.
Valve and tappet springs.                Completed.
Modified plunger for auto-adjusting tappets.        Completed.
Suspension of front end of gearbox in frame.        In hand.
Rear springs - front shackle.                In hand.
Modification to dynamo drive to give clearance for
exhaust pipes.                        Completed.
Connecting rods - alternative design.            Completed.
Preliminary layout of chain drive for camshaft and dynamo.    Completed.
Rear shock damper - connecting tubes.            In hand.
Front wheel suspension. - stiffened yoke piece.        Completed.
Change speed and hand brake levers.            In hand.
Petrol tank.                    In hand.
Battery box.                    In hand.
Steering layout.                    In hand.
Modifications to carburetters.                In hand.
Metal floorboards.                    In hand.
Engine controls.                    In hand.
Alternative independent front wheel suspension -
General Motors scheme.                    In hand.
  
  


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