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).
Graphs showing load-deflection and hysteresis results for three tests on a lubricated rear road spring.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan103 | |
| Date | 10th September 1928 | |
| F.{Mr Friese} REAR ROAD SPRING. 8 EX. N.S. - 1950 LB- CHASSIS TYPE FULCRUM LUBRICATED RUN 5000 MILES IN 6 MONTHS. Left Y-Axis: DEFLECTION - INS- Values: 12.0, 10.0, 8.0 X-Axis: APPLIED LOAD -LB- Values: 1200, 1400, 1600, 1800, 2000 Right Y-Axis: HYSTERISIS LBS. TEST No3 Hysteresis Values: 94, 96, 99, 100 TEST No2 Hysteresis Values: 116, 112, 108, 104 TEST No1 Hysteresis Values: 92, 96, 100, 104 | ||