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[MMW]

I think on most steel a grinding wheel works best/fastest. Flap wheels seem to dull up and take longer. On thick plate where the end finish is not so important and heavy scale is encountered, a needle scaler or chipping gun may work best....

[MMW]

Definitely don't use the spool gun with steel to do a full body. Leave the bottle on the ground with a hose to the MM252 to make it a little easier to move around and either hang the welder or set it in the body and move as needed. That machine will run fine with .045 inner or dual shield. If you run...

[MMW]

If the floor is hammered you will probably wind up with the edge of a sheet hanging in mid air because the floor is pounded down. Bring various thickness of flat bar with you to fill gaps. You can stack them if needed as long as you weld them good. You don't want to try and bend the new sheet to match...

[MMW]

Main issue is time/money but it just makes it easier. Nothing has to fit perfectly, you will have a much easier time fitting because you have wiggle room on the sheets. No gap to big or to tight. A little out of square, no problem. Lap welds are much easier than butt welds. You also get a little...

[MMW]

I buy cheap aircooled tig torch bodies. #9 and #17. I think of them as disposable.

[MMW]

Have fun with stick. Mig is the way to go, either dual shield or inner shield. Stick will work but it is slower and harder to fill gaps. If it's pretty beat up you are going to have gaps to fill and ar doesn't let you beat it down to match the dents. Any seams you should over lap a little bit, don't...