Hi "T",
The battery welder impressed me. It's rated from 18 gauge to 1/4" on steel and I joined 3/8" with it. It has a nice Tweco gun on it too. I don't want to misrepresent it though. It's not going to replace a corded machine in the job shop. (At the present time.)It's a 60 to 130 amp machine that will produce 72" of weld bead at full output. Duty cycle is 20%. People who buy them use them to get machinery up and running in remote locations, factory rooftops, farm equipment, off roading, mowing services, etc. I guess in some cases it's like a fire extinguisher, you kinda hope you never have to use it, but.....when you need it..... it's golden my friend. I have some small repair shops who use them for occassional exhaust work in the shop and then throw it behind the truck seat to get somebody going on service calls. Many times, 72" of weld is way more than enough. To answer your question regarding the arc gun..... The arc spray system is exactly what the better shops use for repairing shafts. You can restore lost dimension to motor block decks, crankshafts, flywheels, brake rotors, foundry patterns, armatures, and so on. It also sprays hard coatings on augers and screws, chutes, pump parts, wear plates, etc..... and, will deposit corrosion resistant coatings on ships hulls, lock and dam gates, bridge beams, and so forth. The arc gun is hard to misrepresent. Some of the things I could say about it are hard for most people to beleive at first. For speed, the extrusion plants can't keep up with the arc gun. That thing sprays the tube as it comes right out of the die. It helps to spray the tube while it's still hot. You get a stronger bond that way. The arc unit is capable of depositing some metals at over 120# an hour at 400 amps. To spray that tubing at 270' per minute only takes 85 amps. You better have lots of compressed air too. We put a fairly poor picture of the rechargeable welder up on our site for now. The arc gun has it's own page with good graphics. Steve
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