| 摘要 |
The invention relates to a coupling, particularly for connecting a rotor (221) of an ultralight model helicopter to a drive motor. Said coupling comprises a first drive element (202), which can be set in rotation by a drive motor (214) and comprising at least one drive shaft (204), to which a driving torque supplied by the drive motor (214) can be at least partially transmitted. The invention provides that: a) a torque transmission to the at least one drive shaft (204) is effected via a running wheel (206); b) an actuating device (207, 209) exerts a variable force (F) onto the running wheel (206) in order to press the running wheel (206), if necessary, against the first drive element (202), and; c) the force (F) is varied using a magnetic field, which can be influenced by the electrical control of at least one coil (205) that is a component of the actuating device (205, 209). |
