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).
Load diagram for a Woodhead's front spring for 40/50 HP models, showing load vs. deflection.
| Identifier | ExFiles\Box 42\3\ Scan153 | |
| Date | 5th September 1924 guessed | |
| X3654 WOODHEAD'S LOAD DIAGRAM OF FRONT SPRING. 40/50 H.P SPRINGS. SPRINGS COMPLETE WITH CLIPS. LOAD ON SPRING. CWTS. NORMAL POSITION. DEFLECTION OF SPRING FROM FREE POSITION. | ||