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).
Features for a Production Phantom chassis following a test in France, and specifications for a Sports Chassis.
| Identifier | ExFiles\Box 65a\1\ scan0174 | |
| Date | 22th November 1927 | |
| Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} L779 R5/M22.11.27. c. to BJ. Wor.{Arthur Wormald - General Works Manager} BY.{R.W. Bailey - Chief Engineer} c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} PRODUCTION PHANTOM - 10,000 miles TEST IN FRANCE. X. 8940b X. 8774 X. 4663 The following features, to be incorporated in the above chassis, should be added to R3/M21.11.27 :- (28) Lightened rear brakes. (29) Lightened torque tube and pinion thrust. } If ready (30) Lightened differential. } in time. (31) Shorter road wheel hubs. (32) Duralumin push rods. SPORTS CHASSIS. The Sports chassis should include the features contained above, and in R3/M21.11.27., excepting as follows :- (a) Compression ratio 5 to 1. (b) 'Y' metal pistons. (c) Different wheel carrier. (d) Tie bars removed. (e) Stiffer rear springs. (f) Double shock dampers. (g) Axle ratio 16/52, about 30 m.p.h. R.{Sir Henry Royce} | ||