Large Switched DC Power Supply For Argon Laser Project Log 1
I’m in need of a large DC power supply for an argon laser and other projects. Argon lasers require tons of DC power to produce minimal amounts of output power, thus the power supply needs to be pretty beefy and durable. I also like building things and having projects to work on to help keep […]
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Some Big IGBTs
Posted on May 18th, 2014 in Copper Vapor Laser, Custom Projects, DIY Equipment, Electronics, Energy, Laser, Technology
Last week I was out shopping at one of my electronic resources and came across some big Mitsubishi CM200DY-12H 600 Volts 200 Amp IGBTs. I bought two pairs of them for my future projects. Below is a picture of a pair of them on the nicely machined heatsink. The overall length of the heatsink is about […]
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Rebuild of a Powerstat 136-2 Dual Gang Autotransformer
Posted on May 18th, 2014 in Electronics, Electronics Repair, Energy, High Voltage, Technology, Video
I came across a Powerstat 136b dual gang autotransformer / variac the other day at the surplus shop. These are rated at 120V @ 22 Amps per section. It was in pretty sad shape and needed a lot of rework, but autotransformers are pretty handy pieces of equipment and it’s a real shame to leave […]
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TEC Cloud Chamber Project
I got it in my head that I wanted to build a TEC (thermo-electric cooler aka Peltier coolers) cooled cloud chamber. Cloud chambers allow you to view radioactive particles as they shoot through a supersaturated alcohol vapor. The radioactive particles act as nucleation points in the saturated atmosphere causing the vapor to condense into small […]
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Fun with a FLIR Thermal Imaging Camera
I’ve always wanted to play with a thermal imaging camera, they open up a whole different hidden world at the far end of the infra-red spectrum so last week I finally got a chance to do that and take some photos. With winter on the way I needed to find out where my house was […]
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