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).
List of design modifications and their status for the Spectre chassis.
Identifier | ExFiles\Box 30\3\ Scan148 | |
Date | 3rd April 1935 guessed | |
ITEM. (4) DESIGN POSITION. SPECTRECodename for Phantom III CHASSIS - CONTINUED:- Conventional front suspension - Extra front brake pull off spring and stop. Completed. -do- Bonnet side plates. Put aside. -do- Starting handle and bracket. Put aside. Modifications to hydraulic tappets:- altered eccentric ratio. Completed. Strengthened step irons. - 3rd car. Completed. Modified wing stay support. In hand. Stay on foot brake countershaft. Completed. I.F.W.S. Higher rating front springs for variable rating springing system. Completed. Marles steering - lightened rocker shaft. Completed. Modifications to idler and crankcase to suit larger slipper flywheel. In hand. Additional hand holes in frame. - 3rd car. Completed. Modifications to connecting rods. In hand. Bonnet plate modified to improve accessibility. Completed. Front bumper - details and fixing. Completed. Bonnet comparisons - Ph.2, SpectreCodename for Phantom III, 20/25 HP. Wraith. Completed. Strengthened rear step iron. Completed. | ||