Crystal Radio Variometer Pt3 - Design Improvements (4K) @tsbrownie

Uploaded November 2023 | Updated September 2026, 2 weeks ago

This is part 3 of making our own variometer / vario coupler. As the rubber meets the road, I've had to make several improvements in the inner ball stronger and assembly a LOT easier.

I have the updated 3D printers files posted on line here:thingiverse.com/thing:6290893
printables.com/model/632114-crystal-radio-variometer-aka-vario-coupler

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Crystal Radio Variometer Pt3 - Design Improvements (4K)