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).
Spring ratings of a chassis and a change to the front springs.
| Identifier | ExFiles\Box 112\1\ scan0100 | |
| Date | 25th July 1938 | |
| 846 COPY FOR FILES. To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/FWK. 25th. July 1938. 1.B.50. Spring ratings have been taken of the above chassis and are as follows:- Front 110 lbs/in. 8.5" static deflection. Rear 180 lb/in. 5.5" static deflection. The present front springs (FB.3533) are being changed for the later type springs (FB.3826) giving the same initial deflection but allowing the bump buffers to be contacted before the spring is totally compressed. Rm{William Robotham - Chief Engineer}/FWK. | ||