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 detailing the status of modifications for the Spectre and Wraith engines.
Identifier | ExFiles\Box 30\4\ Scan251 | |
Date | 16th July 1934 guessed | |
(4) ITEM DESCRIPTION. SPECTRECodename for Phantom III ENGINE. - CONTINUED:- Modification to reduce weight of crankshaft. In hand. Modification to gear selector mechanism. Completed. Front dumb iron and bumper bracket. In hand. Chassis oil pipe to servo. Completed. Presser plate retaining device - spring drive. Completed. Bonnet fasteners. Completed. Modifications to 2nd speed S/M actuation to reduce friction. Completed. Modification to clutch shaft - splines etc. Completed. Modification to foot brake linkage on rear axle. Completed. Modification to 2nd speed sliding pieces. In hand. Mounting of Lucas horns. Completed. Head and side light cables in radiator shell. Completed. 4.25:1 rear axle ratio. Completed. WRAITH ENGINE. --9--------- Silent chain timing drive layout. In hand. Rear wheel and brake drum. In hand. Preliminary chassis layout. In hand. Supercharger - preliminary layout. In hand. | ||