MIG vs TIG

http://www.kleinbikes.com/us/about_klein/construction.html#klein_construction
Scroll down to "void free welds."
I know a guy who used to do process engineering for Klein. Apparently all the welds are TIG...
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I like the flexibility of TIG, I can easily switch between mild steel and stainless, different thickesses, etc.
TIG is a challenge when it's difficult to get the electrode and rod where you need it (e.g. the inside corner where two pieces of angle iron meet to form a right-angle corner). And the footpedal is a pain unless you are sitting down. A hand control is easier if you are moving around or standing up.
If the goal is to quickly and easily put things together, MIG is better suited.
Best of luck.
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