What do you do when you find a 5 kW transmitting tube in your local electronics store? If you are [TannerTech], you build a vacuum tube tesla coil. This isn’t the usual little wimpy coil, but a big ...

Today a lot of street-legal vehicles and off-road rigs run modern coil spring suspensions. Coil springs in their various formats have a number of advantages over traditional leaf springs and torsion ...

Who doesn’t want their own Tesla coil? Particularly if you can get one that isn’t incredibly dangerous or expensive to build. Well, this electrical savant built one in the 8th grade using vacuum tubes ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...

[xellers] may have been in 8th grade when he built this vacuum tube tesla coil, but he did a fantastic job. Unlike most of the tesla coils we have shown, this one doesn’t use a high current ...