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).
Proposed specification for the 39-EX Continental P.III, detailing cost reductions and reliability improvements.
| Identifier | ExFiles\Box 92\6\ scan0227 | |
| Date | 15th November 1937 | |
| Sg.{Arthur F. Sidgreaves - MD} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Hs.{Lord Ernest Hives - Chair} By.{R.W. Bailey - Chief Engineer} Da.{Bernard Day - Chassis Design} 39-EX. CONTINENTAL P.III. Proposed Specification. COST REDUCTION (1) Bottom tappets. (2) Four finger clutch. (3) Deletion of oil cooler. (4) Combined hand and foot brake. (5) Hardy Spicer propeller shaft. * (6) Wraith Steering. (7) S.65 Inlet Valves. (8) Carbon wire valve springs. (9) Packard type crankshaft. (10) Automatic starter switch with contacts deleted. (11) A.C. bye-pass filter. RELIABILITY (a) Main and big end bearings. * (b) Threaded spring shackles. (c) More durable cylinder liners. (d) Hardened wheel drivers. (e) Hardened nose of axle pinion. continued | ||