Capstan Winch Central to This All-Band Adjustable Dipole Antenna

The perfect antenna is the holy grail of amateur radio. But antenna tuning is a game of inches, and since the optimum length of an antenna depends on the frequency it’s used on, the mere act of spinning the dial …read more

Continue reading Capstan Winch Central to This All-Band Adjustable Dipole Antenna

Cable Mechanism Maths: Designing Against the Capstan Equation

I fell in love with cable driven mechanisms a few years ago and put together some of my first mechanical tentacles to celebrate. But only after playing with them did I start to understand the principles that made them work. …read more

Continue reading Cable Mechanism Maths: Designing Against the Capstan Equation

Cable Mechanism Maths: Designing Against the Capstan Equation

I fell in love with cable driven mechanisms a few years ago and put together some of my first mechanical tentacles to celebrate. But only after playing with them did I start to understand the principles that made them work. …read more

Continue reading Cable Mechanism Maths: Designing Against the Capstan Equation

Beautiful Moving Origami Light Made from Scrap

Whenever [MakerMan] hits our tip line with one of his creations, we know it’s going to be something special. His projects are almost exclusively built using scrap and salvaged components, and really serve as a reminder of what’s possible if you’re willing to open your mind a bit. Whether done out of thrift or necessity, he proves the old adage that one man’s trash is often another’s treasure.

We’ve come to expect mainly practical builds from [MakerMan], so the beautiful ceiling light which he refers to as a “Kinetic Chandelier”, is something of a change of pace. The computer controlled …read more

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