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Lego + Anderson Powerpole Remote Switch

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Published on Nov 4, 2012

I'm working on home-made high voltage mechanical RF switch ideas to switch coil taps between 30m and 40m on my short vertical (http://www.n3ox.net/projects/n3oxflex)

This is a prototype using Lego and Anderson Powerpoles, which I've had good luck with as a RF connector and are closely size-compatible with Lego brick spacing if you shave off the protruding parts of the dovetails that lock the connectors together. This unit is a single pole, single throw, normally open switch with elastic band return that can be actuated by pulling a rope.

The "open" position connector spacing is nearly 0.4 inches so voltage standoff should be quite high and capacitance very low. There are no metallic parts besides the Powerpole contacts and wires.

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