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).
Series of three graphs showing results of rear road spring tests with cadmium plated pads and clips fitted.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan047 | |
| Date | 31th August 1928 | |
| C/ REAR ROAD SPRING TESTS - F.78536 31-8-28 CADMIUM PLATED SPRING PAD & CLIPS FITTED. Chassis No Vertical Y-Axis Label (applies to all graphs): SPRING - TIP DEFLECTION - INS - Top Graph: HYSTERISIS TEST No 3 APPLIED LOAD - LB - Y-axis Left values: 12, 10, 8 Y-axis Right values: 28, 26, 24 X-axis values: 1200, 1400, 1600, 1800, 2000 Middle Graph: TEST No 2 APPLIED LOAD - LB - Y-axis Left values: 12, 10, 8 Y-axis Right values: 32, 30, 26, 22 X-axis values: 1200, 1400, 1600, 1800, 2000 Bottom Graph: TEST No 1. APPLIED LOAD - LB - SPRING TIP Y-axis Left values: 12, 10, 8 Y-axis Right values: 36, 34, 32, 32 X-axis values: 1200, 1400, 1600, 1800, 2000 | ||