NEW YORK - The International Copper Association (ICA) announced a new heat exchanger coil technology that benefits from smaller diameter copper tubes. The new product designs and associated ...

The large face 7.94mm HVACR coil increases heat transfer efficiency. The copper tube coil, available in face sizes of up to 60 (60 tubes high) by 108 inches, offers smaller diameter tube and a more ...

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 ...

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 ...

[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 ...