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  • Thank you again. I already see what I regard as a problem, but I'm going to have to make a couple of drawings and then have a pal show me how to scan and post them here.
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  • old jupiter
    replied to Blow your welders out..
    Thank you very much for responding. Would you tell me some of the models that had filters? I would like to find photos and look at the installation. Without discounting your efforts, and being reluctantly willing to accept that you may be right about this, I still find it hard to believe that a simple,...
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  • old jupiter
    replied to Blow your welders out..
    Okay, looks like I offered bum info, and that the mothballs may be a bad idea. In searching about whether the fumes are corrosive, I so far have found out that mothballs used to mostly be naphthalene (quite flammable) and are now more commonly 1,4-dichlorobenzene, and that the fumes of either variety...
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    Last edited by old jupiter; 06-24-2016, 11:26 AM.

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  • old jupiter
    replied to Need Trailer Welding Advice
    In manufacturing steel tube aircraft fuselages, the traditional practice was to coat the insides of the tubing with oil admitted through small drilled holes which were plugged as the last step. As McC asserts related to building bridges, aircraft builders later found that the oil was unnecessary as...
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    Last edited by old jupiter; 06-24-2016, 09:46 AM.

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  • old jupiter
    replied to Blow your welders out..
    Anybody getting bug or rodent infestations in their welders or whatever might try inserting a little box, with some holes in the top, of mothballs.

    I think I've seen the same substance available in an aerosol spraycan. Possibly that would work for keeping the tiny mud-wasps out of the various...
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    Last edited by old jupiter; 06-24-2016, 09:02 AM.

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  • old jupiter
    replied to Blow your welders out..
    Welders have always had fans drawing air into and through them for cooling purposes. The automobile industry figured out, oh maybe ninety years ago, that they could filter out a lot of the dust and stuff that the air was carrying into their engines. Why can't the welder manufacturers see that it would...
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    Last edited by old jupiter; 06-24-2016, 08:39 AM.

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  • old jupiter
    replied to Construction of a Light Aircraft
    When, and which company, first started making their light aircraft fuselages of chrome-moly? I thought Cubs and other puddle-jumpers of the early-'40s were NOT chrome-moly . . .

    As to post-weld heat-treating of chrome-moly light aircraft structures, Jerry, that is a long-standing source...
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    Last edited by old jupiter; 06-20-2016, 09:23 AM.

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  • old jupiter
    replied to Blow your welders out..
    No Ryan, only you, we are all Boy Scouts, pure of heart and mind....
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  • old jupiter
    replied to Welding a Cast Iron Frying Pan
    Yeah, I was looking at the underside of that handle and thinking I would have hidden (mostly) a piece of reinforcing under there, as long as the pan just had to work and didn't have to look original. Braze in a piece of steel round bar, while brazing the crack. But Don has more and surely better aesthetic...
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    Last edited by old jupiter; 06-09-2016, 09:58 AM.

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  • old jupiter
    replied to angled sledge hammer head
    Easy enough for the foundry to have a core slip and not catch it. Of if it's a Chinese foundry, to test their luck by seeing if they can sell it anyway and not get a come-back.
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  • Been watching this with interest, since I rarely use my spool gun, and need any pointers I can pick up. Bob, this is NOT, repeat NOT, to argue with someone (You) with substantial experience, but do you understand about all the raised eyebrows at your ".030" tip for .035" wire" suggestion?...
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    Last edited by old jupiter; 05-31-2016, 09:49 AM.

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old jupiter
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Last Activity: Today, 09:50 AM
Joined: 02-03-2011
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