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 and table detailing the efficiency of a well-oiled Bowden cable.
| Identifier | ExFiles\Box 85\1\ scan0255 | |
| Date | 17th November 1936 guessed | |
| EFFICIENCY OF BOWDEN CABLE READINGS TAKEN WITH CABLE WELL OILED Y-Axis: PERCENTAGE EFFICIENCY X-Axis: LBS - INPUT Graph Data: Curve 1: ANGLE = 16°, M = 0.264 Curve 2: ANGLE = 60°, MEAN DIA = 70", M = 0.282 Curve 3: ANGLE = 90°, MEAN DIA = 42", M = 0.214 Curve 4: ANGLE = 180°, MEAN DIA = 15", M = 0.214 Table Data: ANGLE CHANGE OF DIRECTION OF FORCE: 180°, 90°, 60°, 16° EFFICIENCY AT 300 LBS. INPUT LOAD.: 51, 71.5, 78, 93 COEFFICIENT OF FRICTION AT 300 LBS.: .214, .214, .282, .264 EFFICIENCY AT MAXIMUM LOAD: 49.5, 72.5, 79, 86 EFFICIENCY AT PULL OFF SPRING LOAD: 41, 62, 70, 70 | ||