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  1. F

    Air drawbar

    So I'm in the process of building a power drawbar for my mill, I'm using a single-acting spring return air cylinder and a butterfly impact. I need to run the impact forward and reverse and the cylinder needs to activate when the impact is in both forward and reverse. I want to use an electrical...
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    Spring mandrel size

    Hey all, I am going to be making several .007 ID springs on the lathe from .080 music wire. Is there a general rule of thumb for calculating mandrel size?
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    What the heck?

    I got a cheap VFD from amazon and hooked it up to a new to me Harig surface grinder with a Leeson 3HP motor. The results were something I've never seen before, it sounds just like the motor is spinning up but the shaft isn't turning. That is a weird one, this is a relatively new brushless motor...
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    Duclos Maveric gearless hit and miss

    Hello all this is my first post here, I just found the site and like it very much. I recently found this little engine at a pawn shop of all places. I had no idea what it was at first but I knew I needed it. After a long web search I found out it is the Maveric by Philip Duclos featured as a...
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