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 status for the Spectre Chassis.
| Identifier | ExFiles\Box 30\3\ Scan188 | |
| Date | 3rd June 1935 guessed | |
| (4) ITEM. DESIGN POSITION. SPECTRECodename for Phantom III CHASSIS - CONTINUED:- Front and third body brackets - 4th car. Completed. Deeper rubber for front engine mounting - experimental. Completed. Scuttle fixing to frame. Completed. Stiffener - dash to frame. Completed. Exhaust manifold - expansion box type - experimental. Completed. Modified side and cross steering levers and radiator mounting - Completed. I.F.W.S. raised 1". Lightened selector shafts and servo drive shaft - gearbox. Completed. Modification to hand brake intermediate levers to suit horizontal Completed. hand brake lever. I.F.W.S. modified and strengthened lower triangle outer end. Completed. Modification to Autolock rear damper (experimental). Completed. Clutch shaft with castellations for plate instead of serrations. Completed. Improved damper hand control valves. In hand. I.F.W.S. Improved lubrication - lower pivot bearings. Completed. Modified carburetter air silencer. In hand. Improved engine water rails - with bypass thermostats deleted. In hand. Modified rear spring front anchorage brackets. In hand. | ||