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).
Bentley steering geometry, including the 'out of centre point' for different front axles and wheels.
| Identifier | ExFiles\Box 87\5\ scan0112 | |
| Date | 19th May 1933 | |
| To By.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} [Handwritten top] X50 BENTLEY STEERING. With the existing Bentley front axle, the Rudge-Whitworth wheels give us 1.600" out of centre point. We know that we cannot go much more than this without getting diving if only one front brake is applied. When we come to the 4o transverse pivot lean axle, however, we depend for our self centering on the amount of out of centre point of the wheel. We note that the wheel G.L.653, Rudge-Whitworth, on the 4o axle will give us 1.025" out of centre point only. We think that this may be too little for directional stability, and should therefore like to try a pair of Dunlop wheels, GL.{G. Linnett}651, giving 1.475" out of centre point. As a matter of fact if it means these wheels being specially spoked up, we should not mind retaining the out of centre point as on the cars we are running at present - i.e. 1.650", but you will probably arrange this to suit your own convenience. [Handwritten left margin] Tuning Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||