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 and data table for a near-side road spring, model 46PK.
| Identifier | ExFiles\Box 67a\1\ scan0013 | |
| Date | 9th September 1924 guessed | |
| Title: DEFLECTION TEST OF NEAR SIDE ROAD SPRING. 46PK Y-Axis Label: DEFLECTION IN INCHES X-Axis Label: LOAD IN LBS Graph Lines: LOADING, UNLOADING Data Table: LOAD IN LBS | DEFLECTION OF SPRING (LOADING) | DEFLECTION OF SPRING (UNLOADING) 70 | .080 | .240 170 | .185 | .445 270 | .360 | .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 | 1.865 1170 | 1.725 | 1.960 1270 | 1.880 | 2.110 1370 | 2.030 | 2.285 1470 | 2.280 | 2.505 1570 | 2.405 | 2.635 1670 | 2.540 | 2.750 1770 | 2.690 | 2.935 1870 | 2.895 | 3.125 1970 | 3.005 | 3.265 2070 | 3.175 | 3.425 2170 | 3.345 | 3.615 2270 | 3.485 | 3.765 2370 | 3.625 | 3.855 2470 | 3.785 | 3.935 2570 | 3.935 | 3.925 | ||