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I won't be making a grinder just doing buffing atm. Did another quick 1hr motor grabbing sesh yesterday and probably have enough now to last a while.210653

I got this thought it would be the best one. Will make a box with master switch etc so I can use it on everything in the shed

AC220V 10000W SCR Digital Voltage Regulator Speed Control Dimmer...

Had a better look at the link. He actually converted to dc for high current and low voltage to keep the torque up. Don't think I will worry as low torque suits me fine for a buffer. Got father's day...

Here is the link
Make your own Lathe from other peoples rubbish : Speed control (part 1 - general information & motor connections)

There are a couple of the boxed ones with number around the dials which will help with keeping everything constant and repeatable. Will add a link later to how to build one and do other stuff like...

Dion the ones I looked at were 4000w 240v with switch and a little circuit board with heat sink etc. After a little research seems that others have used them or tell how to make them for similar...

FAL I am getting stuff together for a buffer. I have 2 capacitor motors both with a spindle out each side. 1 is 1400rpm the other 2200rpm. I have 2 others that are variable speed brushed motors but...

Cheers. This verifys that all I need was a variable switch. Have had a look and that one starts at 50v but found others that start a 0 or 10v so may get one of them. Might try a couple local...

I wish that was the case. I've asked and no one has ever heard of them in tool shops. Another case of common in America and impossible to find here. If just a switch I may be able to source or...

At the moment we are having local verge collection so lots of washers and dryers to pull motors out of. So I now have a few motors and the ones from the washing machines are brushed variable speed...