| 摘要 |
An apparatus for aiding in steering and maneuvering a boat that includes a thruster that applies a force transverse to the longitudinal axis of the boat. The operation of the thruster is under control of a remote radio frequency transmitter which permits an operator of the boat to operate the thrusters without being on the bridge of the boat. A switching circuit that includes relays and solenoids associated with a solenoid valve operates with the remote frequency transmitter and receiver to energize a thruster on the boat.
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