Proper pre-heating and annealing is definitely going to be critical to working with the aluminum panels.
Related to current control for TIG - ever heard of the TIG Button? If I ever get back in to TIG welding I might try one of these (or similar) out:
http://www.6061.com/tigbutton.htm
Related to current control for TIG - ever heard of the TIG Button? If I ever get back in to TIG welding I might try one of these (or similar) out:
http://www.6061.com/tigbutton.htm
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