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).
Graph showing deflection, applied load, and hysteresis for three tests on a lubricated, cadmium-plated front road spring.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan107 | |
| Date | 14th September 1928 | |
| K.{Mr Kilner} FRONT ROAD SPRING - STANDARD - F.{Mr Friese} 71975 - 1100 LB- CADIUM PLATED - LUBRICATED. DEFLECTION - INS- HYSTERESIS LBS. APPLIED LOAD - LB. TEST No 3 TEST No 2 TEST No 1 Y-Axis (Deflection): 5.5, 4.5, 3.5 X-Axis (Applied Load): 1200, 1400, 1600, 1800, 2000 Y-Axis (Hysteresis - Test 3): 20, 18, 16, 14 Y-Axis (Hysteresis - Test 2): 20, 18, 16, 14 Y-Axis (Hysteresis - Test 1): 72, 56, 40, 20 | ||