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 results of lubricated standard front road spring tests, plotting deflection against applied load.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan104 | |
| Date | 13th September 1928 | |
| G STANDARD Front Road Spring - F.{Mr Friese} 71975 - 1100 LB LUBRICATED DEFLECTION - INS - APPLIED LOAD - LB - HYSTERISIS LBS. TEST Nº 3 TEST Nº 2 TEST Nº 1 Graph Y-axis (Deflection): 3, 4, 5 Graph X-axis (Applied Load): 1200, 1400, 1600, 1800, 2000 Graph 3 Y-axis (Hysterisis): 78 Graph 2 Y-axis (Hysterisis): 56, 72, 88, 104 Graph 1 Y-axis (Hysterisis): 42, 44, 46, 48 | ||