Yet another welder Q, 110 v 220 |
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Yet another welder Q, 110 v 220 |
lapuwali |
Nov 7 2005, 04:25 PM
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#21
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743 |
I've read through a lot of the welder questions, and one topic regularly mentioned is 110 v 220, with "220 is better" usually being expressed.
Now, I can understand the amps v. volts v. power issue (power to actually melt something is measured in Watts, which is amps x volts. However, power through a wire is essentially amp-limited, and power through a household circuit is very much limited by the breaker, which is amp-limited). 110v x 20a is 2200W, where 220v x 20a is 4400W, so 220v definitely gives you more power. However, how much power do you actually NEED for car work? Most of the time, you'd be welding 16-20g sheet, except for things like engine mounts, cages, and the like, where you might use thick-walled tube, but still you're unlikely to use much over 1/8" wall, even for a cage. Aluminum welding would require more power, but (IMHO) would also really require TIG. So, for steel work using MIG, how much power do you really require? What's the highest amp setting normally seen when doing the kind of welding you'll see on a 914 (or any other typical car)? |
fiid |
Nov 7 2005, 05:16 PM
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#22
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Turbo Megasquirted Subaru Member Group: Members Posts: 2,827 Joined: 7-April 03 From: San Francisco, CA Member No.: 530 Region Association: Northern California |
I have a shitty-assed home despot welder and I've never had any problems apart from Aluminum welding not going very well. It's 110v and I run it on a knob-and-tube circuit on the end of about 20 feet of extension cord.
I have to say that I've had much better experiences since I got the mig kit for it. |
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