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).
Suspension tests and improvements for the 10-EX model, focusing on rear spring comfort.
| Identifier | ExFiles\Box 70\1\ scan0083 | |
| Date | 17th October 1927 | |
| To Pt. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 48774 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}6/LG17.10.27. SUSPENSION. X8410 Further tests we have carried out here have shewn that 10-EX is definitely more comfortable at the rear than any of our other cars. The fore and aft pitching of which you speak is almost entirely absent. We attribute this to the fact that the rear springs have only from 5" to 6" initial deflection. With our present front springs this appears to reduce the pitching to a minimum. We suggest that if you could get the initial camber of a set of springs altered in Australia it would be worth your while to make a test. Herewith a specification of the springs which we are recommending to high speed merchants, of which R.{Sir Henry Royce} has approved. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||