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 position report listing modifications and their completion status for the Spectre Chassis.
| Identifier | ExFiles\Box 30\3\ Scan156 | |
| Date | 17th April 1935 guessed | |
| ITEM. (3) DESIGN POSITION. SPECTRECodename for Phantom III CHASSIS - CONTINUED:- Modifications to crankcase to suit larger slipper wheel. In hand. Modified front engine mounting - to suit 1 1/2 times engine speed dynamo. In hand. Variable rating front suspension adapted to suit unit construction shock dampers. In hand. Incorporation of hydraulic jack in front suspension. In hand. Hydraulic auto lock for rear shock dampers. In hand. Instrument board for 4th SpectreCodename for Phantom III car. Completed. Bonnet locks. Completed. Modified appearance of steering column controls. In hand. Lightened rear brake drums. Completed. Gearbox:- Experimental oil feed to 3rd motion shaft. Completed. Modification to foot brake bell crank lever to increase clearance with road spring. Completed. I.F.W.S:- Spring mechanism for 3" max. bump and 4" max.rebound. Completed. Jack pad and front stabiliser for 3rd car (32-EX). Completed. Caged Timken bearing for roller in Marles steering. Completed. Modification to bearing at rear end of clutch. Completed. Modifications to simplify removal of steering box from frame. Completed. | ||