xlr82v2,
As far as my MM180, I like it a lot!! So far, it has done what I have asked of it within the constraints of its capabilities. You do have to pay attention to joint prep and cleanliness, but if you do, it can weld just about anything made of mild steel. I've been using a 75-25 gas mix, but will most likely switch to CO2 with the next cylinder change out. But I do need a stick welder again and this time its going to be an AC/DC machine!!!.
You have an interesting background, and with the exception of flying Lear jets now, is very similar to mine!! I got an engineering degree and left the farm. The degree has allowed me to be involved with some pretty cool stuff over the years. But now, I'm in management
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Growing up on a family farm I was constantly around and on tractors. I still thoroughly enjoy them and just about anything else mechanical (its the reason I became an engineer). Growing up I got more and more involved with the maintenance/repairs on the equipment on the farm to the point where I was doing most of it by the time I graduated from HS. And that is where I also learned how much I enjoyed welding too!!
I still live adjacent to the original farm but its a small beef farm now and do most of the repairs on the equipment when my hectic work schedule allows. I live on about five acres and enjoy my little Kubota B7610. Its also very useful on the beef farm too, believe it or not!!!
The tractors and equipment, welding and repairs, and my small shop keep me grounded also. I can't imagine not having it as an outlet!
Isn't it interesting how our backgrounds are so similar!
Dave