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 of torsional vibrations, showing the reduction in amplitude with a decrease in the frictional mounting of the flywheel.
| Identifier | ExFiles\Box 25\3\ Scan170 | |
| Date | 20th November 1939 | |
| TORSIONAL VIBRATIONS CURVES SHOWING REDUCTION IN AMLITUDE OF VIBRATIONS WITH DECREASE IN THE FRICTIONAL MOUNTING OF THE FLYWHEEL AMPLITUDE OF VIBRATION DEGREES CRANK ANGLE DEGREES NON-RIGID FLYWHEEL CLAMPED FRICTION = 1600 LB INS " = 1200 LB INS " = 800 LB INS " = 400 LB INS ROLLS-ROYCE PRINT IN 20 NOV 1939 DERBY | ||