Important point: I didn't make this, It was kindly given to me by a friend who's dad made it, it was found in the house clearance, I was the only one who had the right power-supply to use it, I have permission to post:
it needed a bit of work after years in a garage but I got it going and have been using it for a few months now. The singer motor (designed for a sewing machine) is high torque and variable speed and the chuck will take tiny drills (right down to 0.4 mm), this makes it amazing for both drilling stitching holes in leather-work (what I'm doing in the video, needing a slow speed to avoid overheating) and drilling electrical circuit board component holes (very hard so needs a high speed)
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