Low Cost DC Motor Controller For Treadmill

I take some off the shelf parts and connect them together to make a low cost treadmill DC motor controller. Parts needed: 4000w or higher SCR motor controller (I used 10,000w from ebay) Full wave Bridge rectifier ( I used KBPC5010) 200K linear Potentiometer bigclivedotcom SCR Video:    • Inside a "4kW" ebay power controller with ...   -mike manmade