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 […]
Continue Reading Some Big IGBTs
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 […]
Continue Reading Rebuild of a Powerstat 136-2 Dual Gang Autotransformer
I was flying in an industrial are the other day with my FPV setup and even when the picture was clear it would go all rainbow colored which was very distracting, additionally my range seemed to be shortened quite a bit. It looked something like the photo below which has been photoshopped since I wasn’t […]
Continue Reading Built a Skew Planar and Cloverleaf Antenna for my 900Mhz FPV Setup
I’ve recently started following Flite Test on YouTube and enjoy quite a few of their videos, their Dollar Tree based foam plane plans looked cheap and fun which is always a great combination. One plane which looked like a lot of fun was their Bloody Wonder V2 which they released the flight test, build video […]
Continue Reading Flite Test’s Bloody Wonder V2
I’ve had my home built CNC router machine for a couple of years now, but one thing I’ve not really done with it is to create a sign. It seems like an obvious thing, but I’ve always been more interested in making mechanical parts. I was down at the flying field the other day and […]
Continue Reading First Attempts at CNC Sign Making
