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 for the Phantom III model, listing various modifications and their status.
| Identifier | ExFiles\Box 161a\4\ scan0173 | |
| Date | 4th December 1936 | |
| (2) ITEM. DESIGN POSITION. PHANTOM III - CONTINUED. Water pipes to hot box - on 4 port cylinder head. In hand. Valve lift curve, 210º duration - long toes, for use without hydraulic tappets. Completed 4.12.36. Revised rebound rubber, front suspension. Completed 19.11.36. Universal joint for the equalisation of clutch pressure plate lever loads. Completed 19.11.36. Mods. to brake connecting links to increase clearance with idler lever. Completed 24.11.36. Modified steering tube adjustment. Completed 1.12.36. Modified front roll rod lever. Completed. Revised and simplified rear rubber engine mounting. In hand. Strengthened rear end of 2nd motion shaft. In hand. Pieces required to fit Phantom III gearbox to 25/30 HP.chassis. In hand. Investigation of epicyclic gear overdrive. In hand. Mod. to throttle control bell crank lever support bracket - four port head. In hand. Adaptation of Bentley valve spring - for use without hydraulic tappets. In hand. | ||