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).
Arranging a chassis comparison and outlining future production modifications.
| Identifier | ExFiles\Box 183\M22\ img120 | |
| Date | 8th September 1920 | |
| [Handwritten at top]: 1 EX + 6EX } TECHNICAL SIGNIFICANCE to A P N A/R/G26-9-20 OCRI O/C/VIC/66/9/20 [Stamped]: ORIGINAL [Stamped]: 8 SEP 1920 [Handwritten right]: TAL [Typed header]: To: HD.{Mr Hayward/Mr Huddy} from R.{Sir Henry Royce} Copy to: OC. EPU DIV X.3408.RE "HAWK" NORTHCLIFFE CHASSIS ETC. [Handwritten over typed text]: X 3703 X 3706 PT 06-P-C T.207440 [Typed body]: I shall be glad if you will arrange to bring or send to Peterboro' for September 27th, the "Hawk" Northcliffe chassis, or a present production chassis, so that I can compare it with 1 EX, which I take to represent what we consider a production chassis should be.* It will be understood that you will be engaged in perfecting 6 EX, as a model for the next change in production.* X The modifications, however, will not affect the running in any other way but the lower geared back axle.X The model to follow this would be the three speed box, modified starter, slightly lengthened propeller tube, central speed change levers. [Handwritten on side]: | 5 EX This latter and its "left hand" equivalent will complete the series of modifications we intend to apply to the present chassis. [Handwritten at bottom]: R.{Sir Henry Royce} 1 EX - Typical of Post War Cars 1 to 1000 6 EX Typical of Chassis 1,001 & onward Ref E1 G28-9-20 5 EX FINAL Projected mods to 40/50. NOT CARRIED OUT. | ||