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Old 13-03-2020, 11:54 PM   #1
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Default Erratic welding problem solved

So, just a heads up to you other amateur welders out there.
( I am sure the real welders already know this )

While Using magnets to hold stuff I realised that they actually interfere with the arc.

Spatter, sparks and all the symptoms of the gas running out - move the magnets and end of problem.

Who’d have thunk it
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Old 14-03-2020, 03:14 PM   #2
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When I did my welding apprenticeship the tutor showed me this 😃
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Old 14-03-2020, 03:24 PM   #3
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It’s one reason why I seldom use my magnetic holders tbh. That and the fact that stuff they hold square is seldom still square by the time you’ve finished. I usually just rely on them for initial tack/check, then take them off for the welding proper. They lose their “magneticness” if you get them too hot, which is another reason not to use them too close to the actual welding.
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Old 14-03-2020, 04:14 PM   #4
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I tried them once and had this issue, see all the adds with people using them with no apparent issues, I thought I remembered wrong , but I remember I was right now Thanks, I can sleep easy now
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Old 14-03-2020, 05:33 PM   #5
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It’s one reason why I seldom use my magnetic holders tbh. That and the fact that stuff they hold square is seldom still square by the time you’ve finished. I usually just rely on them for initial tack/check, then take them off for the welding proper. They lose their “magneticness” if you get them too hot, which is another reason not to use them too close to the actual welding.
Good tip Glen, not getting magnet too hot

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I tried them once and had this issue, see all the adds with people using them with no apparent issues, I thought I remembered wrong , but I remember I was right now Thanks, I can sleep easy now
Sleep tight Feller, my work here is done

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When I did my welding apprenticeship the tutor showed me this 😃
If only you had started a thread with that info - David wouldn’t have had insomnia for all those years.
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Last edited by mr slug; 14-03-2020 at 07:21 PM.. Reason: Spelling - Doh
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Old 17-03-2020, 01:01 PM   #6
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Good tip Glen, not getting magnet too hot



Sleep tight Feller, my work here is done



If only you had started a thread with that info - David wouldn’t have had insomnia for all those years.
I am at ease, I can be taken by corona and die a happy man , hows that boaty jeep coming along?
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Old 17-03-2020, 01:27 PM   #7
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I am at ease, I can be taken by corona and die a happy man , hows that boaty jeep coming along?
Not so bad thank you - I started just before Christmas, as the tin work gives me something to do during the winter months.

I followed your advice, that the only things that needed jigging tight were the front axle mount, engine mount and suspension mount.
So I made a subframe from some RSJs

I am very pleased to report that (Thanks to Kank (BDP) lending me a hydraulic ram) I have gotten the bodywork very straight and untwisted.

My latest challenge, having never seen one before, is using an English Wheel to make repair panels.

This is one - the engine cover I finished yesterday . . . . . . .
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Old 18-03-2020, 09:23 AM   #8
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Good tip thanks. I was looking at getting some of the magnets the other day, wasn’t aware of the problem. Your sheet metal work looks great btw. 👍
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Old 18-03-2020, 09:36 AM   #9
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Not so bad thank you - I started just before Christmas, as the tin work gives me something to do during the winter months.

I followed your advice, that the only things that needed jigging tight were the front axle mount, engine mount and suspension mount.
So I made a subframe from some RSJs

I am very pleased to report that (Thanks to Kank (BDP) lending me a hydraulic ram) I have gotten the bodywork very straight and untwisted.

My latest challenge, having never seen one before, is using an English Wheel to make repair panels.

This is one - the engine cover I finished yesterday . . . . . . .
Looking good Mark.
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Old 18-03-2020, 12:55 PM   #10
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Good tip thanks. I was looking at getting some of the magnets the other day, wasn’t aware of the problem. Your sheet metal work looks great btw. 👍
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Looking good Mark.
Thanks guys, appreciate the comments.



Due to circumstances limiting the amount I can go out and about - I may be getting more ‘Garage time’ than previously anticipated.
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