Hi Guys, I have an infared thermometer and find them inaccurate on aluminium. You can adjust the settings but I have found that does not represent the true temp of the material. I pre-heat to a little over 100 degs C say 120 C. In the begining I used a 120 C heat crayon but now just use water. This...

Hi Jakeru, That is some seriously good work. From my experience welding cast ali you always seem to end up with some small air pockets. I guess you could weld cut weld cut until there are none left but why would you. The heat may distort it past usability. After all as you said they will act like o...