I bought a spoolgun early last year and have been having a blast learning to weld aluminum. Yesterday was my second “important” project attempt. I repaired the skeg on my outboard. Here is some pics if interested. 
I should be ready now to hit more wingdams! 
Looks like my 25hp honda.
Close, Honda 50
Nice! And a decent looking weld to boot!
Looks good!!! Alum is very hard to do. Did you have to have a certain gas to run it or is it a flex type. 
I think someone may have another part time job if he isn’t careful. Nice job. I know how tough aluminum is to weld.
What brand/model are you using to weld?
Nice work 
Quote:
Looks good!!! Alum is very hard to do. Did you have to have a certain gas to run it or is it a flex type.
Thanks!
It is a 3035 miller spool gun running off my miller 180. I had to get a pure argon gas tank for alum. It has definitely been a learning process as some of my welds have looked like bird droppings.
Keep those that know how to weld aluminum very close to you. 
It’s a tough trade to learn, i gave up trying many years ago.
That is one very darn great job! ! 
Just as a FYI, argon welding gas makes a cleaner weld even on stainless and mild steel. Less splatter and smoother bead. For years, that’s all I’ve used. jerr
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