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[Craig in Denver]

I use a #8 cup (1/2" ID), for better argon coverage.

Stickout no longer than 1/2 the cup diameter, shorter is better; again for better coverage. Alum is more fussy about this than mild steel. If you have gas lens, use them.

A steeper torch angle was mentioned; because...

[Craig in Denver]

Some settings here:
http://www.millerwelds.com/resources...ad.php?t=18426...

[Craig in Denver]

62 this week. Mounted a new tire on the motorcycle, hurt for two days.

Looking forward to the SS checks, starting in November. The checks start arriving close to two months after your BD. For example: BD 9-22, first check about 11-22. I chose direct deposit, less hastle...

[Craig in Denver]

Click on 'Resources' at the top of this page, then click on 'Owner's Manual & Parts List'.

[Craig in Denver]

"when I try to strike an arc it is eratic and jumpy and I have a hard time keeping the arc and the aluminum won't puddle it's just slushy like."

At the times that I can't get a puddle, it's frequently a shielding problem. Too much stickout, a too small cup, an outside corner...

[Craig in Denver]

I agree with Tailshaft. The manual for my 1993 Sync 250 says: "Use control to change amount of HF energy used to start and maintain the arc. Set as low a practical to prevent interfering with electronic equipment."...

[Craig in Denver]

I have an older Sellstrom, and I don't mind turning it on at the start of a project. It is auto-off at 30 minutes. The problem is: if I don't weld for 31 minutes, obviously it shuts off. What isn't so obvious is that I was gone for 31 minutes. I will not pay $$$ for another AD lens that won't...

[Craig in Denver]

It's called 'arc blow' and the magnets will cause it. You'll loose control of the arc, it will run around the cup and puddle like a micro lightning storm. Or it will cause the arc to leave the tu at 90* instead of straight out. Now, you'll know it when you see it.

[Craig in Denver]

FK:
Yikes, those things are heavy! Sport ATV or 4wd? I've seen a couple of tv videos where the thing wheelies over backward and hits the rider. And endos happen at a much higher speed. So how do they treat a dislocated shoulder, tape your upper arm to your side; are you able to move from...

[Craig in Denver]

That's a very nice combination, your Dad will be delighted. When you show it to him, watch fer a tear in his eye.

[Craig in Denver]

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[Craig in Denver]

This sounds like pretty thin material?
The problem with that is you may get all sorts of dumb answers from guys like me. Even if I do take pity on you.

A 252 is on my wish list, along with the other 'not in this lifetime' items. Like LeAnn Rimes. ...

[Craig in Denver]

Leonard:
Glad you found what you wanted. I'm also glad you posted the link, I hadn't seen those before.

[Craig in Denver]

Duane did a nice job. I like the way he put the joint toward the bottom, so used pieces don't get lost in the tube.

http://weldingweb.com/showthread.php?t=26494

[Craig in Denver]

You're right, the air is expanding. Someone else said: weld as far as possible, leaving the unwanted blowhole. Let the piece cool off. Then finish, hot and fast, for that last hole.