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).
Graph plotting deflection against load for 20/25 HP front road springs.
| Identifier | ExFiles\Box 106\1\ scan0345 | |
| Date | 25th April 1933 | |
| 20/25 H.P. ROAD SPRINGS F.57300 - FIRTH'S 750 LB. 18 G II FRONT DEFLECTION FROM FREE CAMBER ON RIG - INS. K.1983 FREE CAMBER 4.300 COMPRESSION REBOUND FLAT CAMBER NORMAL LOAD 750 LB K.1982 FREE CAMBER 4.325 COMPRESSION REBOUND SPRING BOUNCED AFTER APPLICATION OR REMOVAL OF EACH 100 LB LOAD K.1983 - O.S. K.1982 - N.S. LOAD - LBS. AB | ||