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 spring deflection test results for three different Borg and Beck clutch discs.
| Identifier | ExFiles\Box 129\3\ scan0151 | |
| Date | 29th July 1936 | |
| BORG AND BECK CLUTCH TESTS DIA OF DISCS 10" RAD OF MEASURING ARM 3.000" SPRING DEFLECTION TESTS. Top Graph: DISC N°4 Y-Axis: DEFLN - INS - Values: .050, .100, .150, .200 X-Axis: LOAD - LBS-FT. Values: 50, 100, 150 Bottom Left Graph: DISC A10 Y-Axis: DEFLN - INS - X-Axis: LOAD - LBS-FT. Bottom Right Graph: DISC B10 Y-Axis: DEFLN - INS - X-Axis: LOAD - LBS-FT. | ||