Servo operated Knuckle Coupling
grabcad
In garden railways utilizing G scale trains, these parts are designed specifically for compatibility with LGB coupling pins. A 1.7g micro linear servo is employed, while wiring components are made from 0.9mm and 0.6mm wire. Assisting closing forces is a 3mm diameter by 2mm magnet. The V8 version features slightly altered servo tang holes that require less filing and a lateral repositioning of the main coupling by 1.2mm, enhancing alignment when connecting to track.
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