My experience with the Renegade?
I bought it last year, end of September, for my 71st birthday after thinking that I was probably already too old to learn to Tig, especially aluminium.
I practised regularly for a couple of months, went through piles of scrap alu. Lots of time is lost initially because you keep touching the tungsten in the puddle and have to stop to regrind it each time. It can get frustrating if you don't keep your eye on the end goal.
Got tired of practising on scrap so made a letterbox out of checkerplate. Then remade my steel airbox from 3mm aluminium. Not the prettiest but it works.
Here's some of my scrap practising.
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My airbox..
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This is a quick test I did on some thin square tube. 1.2 & 0.8mm.
With the 0.8 I started too hot (arrow) and nearly went through it. This is using a 2.4mm electrode with 1.6mm 5356 rod.
Just to show you can weld quite thin with no A/C frequency adjustment and without the bead getting too wide.
I'm pretty happy with it as a $798 welder..
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The other piece there is a filet weld on 3mm scrap just to show that you can do acceptable welds in a reasonably short time if you practice enough.
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