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).
Springing and shock damper design for the 40/50 HP model.
| Identifier | WestWitteringFiles\G\October1921\ Scan69 | |
| Date | 10th October 1921 | |
| To HS.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} Copy to C.J. " " WOR.{Arthur Wormald - General Works Manager} " " DA.{Bernard Day - Chassis Design} " " BY.{R.W. Bailey - Chief Engineer} ORIGINAL. RE 40/50 H.P. SPRINGING. X2628 X3461 Regarding the springing of the 40/50 H.P. though I agree with much of what you say in your remarks as to difficulties of meeting every customer's point of view with one class of spring, there seems little doubt that general satisfaction could be obtained if we could follow my standard rule of fitting springs with great flexibility and sufficient damping, preferably of the progressive order. We might, however, be troubled with the rolling of cars passing round corners. This would result in our adopting somewhat stiffer springs. We cannot believe that any scheme such as is used by the Wolseley Company could give all-round good springing. There are certain to be disadvantages such as would occur on a straight road with a twisted surface, and there are other reasons which I think might result in broken springs. As regards my own experience with 6 EX, this car with its progressive shock dampers is considerably better than the cars I have had previously, in which the shock dampers have had to be disconnected through their failing to remain in order, principally you will remember, due to the damp getting into the fibre and unsatisfactory ferodo, which caused excessive binding of the friction plates. I am pleased to say, however, that those at present fitted with metal plates have behaved themselves extremely well up to the present, in spite of the fact that we do not seem to get the grease into them. We ought to arrange that the grease can beforced right through to the back quite easily, and come (Contd.) | ||