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).
Comparison of steering effort against tyre pressure for a Rolls-Royce and a Hispano Suiza car.
| Identifier | ExFiles\Box 67\3\ scan0090 | |
| Date | 16th February 1925 | |
| COMPARISON OF STEERING EFFORT ROLLS ROYCE E.A.C. VI & HISPANO SUIZA 'EFFORT REQUIRED AT BALL END OF STEERING LEVER TO TURN FRONT WHEELS' 'CAR STATIONARY' 'BALL END OF SIDE STEERING ARM MOVED THRO' 3" IN EACH CASE, FROM ITS CENTRAL POSITION' Top Graph: EFFORT REQUIRED AT END OF STEERING LEVER (LBS) TYRE PRESSURE (LBS/sq") Data points for: Rolls Royce DUNLOP 33"x5" S.S. CORD. and HISPANO SUIZA DUNLOP 895x135 BEADED EDGE CORD. Bottom Graph: EFFORT REQUIRED AT ¢ OF PIVOT PIN (LBS/IN) TYRE PRESSURE (LBS/sq") Data points for: ROLLS ROYCE DUNLOP 33"x5 SS.{S. Smith} CORD. and HISPANO SUIZA DUNLOP 895x135 BEADED EDGE CORD. Data Table: WEIGHT OF FRONT OF CHASSIS:- ROLLS ROYCE 93NK. 2695 LBS. HISPANO SUIZA 2290 LBS. DISTANCE OF BALL END OF STEERING LEVER TO ¢ OF PIVOT PIN. ROLLS ROYCE 93NK 8.000" HISPANO SUIZA 9.000" Stamp: ROLLS-ROYCE, LIMITED PRINT ROOM 16 FEB. 25 DERBY Handwritten Note: P.Roffe 16/2/25. | ||