I don’t think brazing is going to work. The melting point of Al and Mg is way below that of bronzes and you want the parts to be brazed to be heated so the filler will melt...

I've been lurking in the shadows and learning a lot. I've done a lot of DIY/hobby level welding with stick. 6 months ago I saw a Miller Dynasty 200DX on the second-hand market and jumped at the opportunity as I have always "needed" aluminium and stainless welding capability. That has since...