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).
Three graphs showing results from rear road spring tests after cadmium plating, without clip and spring pads.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan046 | |
| Date | 31th August 1928 guessed | |
| REAR ROAD SPRING TESTS - F.78536. B AFTER CADMIUM PLATING. WITHOUT CLIP AND SPRING PADS. Graph 1 (Top): TEST No 3 LEFT Y-AXIS (DEFLECTION - INS - SPRING TIP): 8, 10, 12 X-AXIS (APPLIED LOAD - LB-): 1200, 1400, 1600, 1800, 2000 RIGHT Y-AXIS (HYSTERISIS): 10, 14, 18, 22, 28 Graph 2 (Middle): TEST No 2 LEFT Y-AXIS (DEFLECTION - INS - SPRING TIP): 8, 10, 12 X-AXIS (APPLIED LOAD - LB-): 1200, 1400, 1600, 1800, 2000 RIGHT Y-AXIS VALUES: 20, 20, 20 Graph 3 (Bottom): TEST No 1 LEFT Y-AXIS: 8, 10, 12 X-AXIS (APPLIED LOAD - LB- SPRING TIP): 1200, 1400, 1600, 1800, 2000 RIGHT Y-AXIS VALUES: 12, 22, 30, 36, 40 | ||