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).
Deflection test chart for a near side road spring, model 46PK.
| Identifier | ExFiles\Box 54\3\ Scan135 | |
| Date | 9th September 1924 guessed | |
| DEFLECTION TEST OF NEAR SIDE ROAD SPRING. 46PK Y-AXIS: DEFLECTION IN INCHES X-AXIS: LOAD IN LBS GRAPH LABELS: LOADING, UNLOADING DATA TABLE: LOAD IN LBS, DEFLECTION OF SPRING (LOADING), DEFLECTION OF SPRING (UN-LOADING) 70, .060, .240 170, .185, .445 270, .300, .635 370, .520, .815 470, .690, .995 570, .830, 1.095 670, 1.000, 1.295 770, 1.255, 1.460 870, 1.275, 1.675 970, 1.410, 1.760 1070, 1.570, 1.885 1170, 1.725, 1.960 1270, 1.880, 2.110 1370, 2.030, 2.255 1470, 2.280, 2.505 1570, 2.405, 2.635 1670, 2.640, 2.750 1770, 2.690, 2.955 1870, 2.895, 3.125 1970, 3.005, 3.265 2070, 3.175, 3.425 2170, 3.345, 3.615 2270, 3.485, 3.785 2370, 3.625, 3.835 2470, 3.785, 3.935 2570, 3.935, 3.935 | ||