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).
Table detailing the over and under-steering properties of a Bentley III under various suspension and tyre configurations.
| Identifier | ExFiles\Box 100\2\ scan0017 | |
| Date | 1st January 1935 guessed | |
| -4- OVER AND UNDER-STEERING PROPERTIES OF BENTLEY III. Case. Amount of Oversteer. Amount of Understeer. Original rear spring layout, static deflection of front and rear springs 5" tyres 30 lbs/sq.in. 0.12º ( 0º 7.2' ) Original rear spring layout, static deflection of front springs 6.5", of rear springs 5.5" tyres 30 lbs/sq.in. 0.03º ( 0º 1.8' ) Original rear spring layout, static deflection of front springs 6.5" of rear springs 5.5", tyres 25 lbs/sq.in. 0.08º ( 0º 4.8' ) "Anti-shake" rear spring layout, static deflection of front and rear springs 5", tyres 30 lbs/sq.in. 0.35º ( 0º 21' ) "Anti-shake" rear spring layout static deflection of front springs 6.5", of rear springs 5.5", tyres 30 lbs/sq.in. 0.21º ( 0º 12.6' ) Bentley II (present standard) front springs 2.25" static deflection, rear springs 4" static deflection, tyres 5.50-18.00, front tyres 35 lbs/sq.in. rear tyres 2º 30 lbs/sq.in. For all cases inward acceleration is 0.5g. --------------------------------- | ||