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 Bowden Cable at various angles and loads.
| Identifier | ExFiles\Box 102\3\ scan0154 | |
| Date | 21th December 1934 guessed | |
| PERCENTAGE EFFICIENCY LBS - INPUT EFFICIENCY OF BOWDEN CABLE READINGS TAKEN WITH CABLE WELL OILED Graph Data: Curve 1: M = 0.264, ANGLE = 16° Curve 2: M = 0.282, ANGLE = 60°, MEAN DIA = 70" Curve 3: M = 0.214, ANGLE = 90°, MEAN DIA = 42" Curve 4: M = 0.214, ANGLE = 180°, MEAN DIA = 15" 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 | ||