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  1. Replies
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    my local is all but hostile to industry, they...

    my local is all but hostile to industry, they love business , and want your corporate headquarters, but put your factory somewhere else. the last foundry in this and neighboring county's closed...
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    Here is a brief outline of what I will have to...

    Here is a brief outline of what I will have to accomplish to run a home based business of any sort. as you can see, unless I had 20 acres this would be pretty much impossible. since the foundry is...
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    I tried the Arrteeest thing... I can be as...

    I tried the Arrteeest thing... I can be as artistic as I want. but as soon as I sell something I become a professional... so unless I can find a Patron... A single person to buy all my"art" I have...
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    Need business associate

    I can no longer professionally Cast at my current location. I have a few long time customers that buy custom Items from me. Is there anyone interested in casting certain patterns for me. The vast...
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    this is not a particular new technology......

    this is not a particular new technology... synergic means it is pre-proprammed. so you change one setting all the others self adjust. other manufacturers call it programmed... the no spool gun is...
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    we should probably get a moderator to move this, ...

    we should probably get a moderator to move this, but if you have a proven furnace design 3 times more efficient than mine, I would love some details... I have always thought the opening in the top...
  7. Thread: NAVSUP Plaque

    by HT1
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    It's Petrobond, I mull it with my homemade...

    It's Petrobond, I mull it with my homemade muller http://www.alloyavenue.com/vb/showthread.php?5420-It-s-Muller-time-(pics) after every use, try to get it while the sand is still hot. I add...
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    Oh, the black wrinkly appearance on the top of...

    Oh, the black wrinkly appearance on the top of your ingots and risers is a good sign you have more Sn then Zn.
    always plunge zinc under the surface. just tie it to a metal rod with heavy Cu...
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    Melt the brass first, you will loose most if not...

    Melt the brass first, you will loose most if not all the zinc in it ... here is why
    zinc boils at 907c
    yellow brass (85Cu, 15 Zn) melts at 940c, so at the point your brass is liquidus you...
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    from that picture I do not thing your mystery...

    from that picture I do not thing your mystery metal has that much zinc. I would guess just from color under 10% zinc. but that is an educated guess from a poor picture ... listen to the other advice...
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    depends on your burner type and size

    depends on your burner type and size
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    here is what the Navy has to say about CO2...

    here is what the Navy has to say about CO2 sand... good info Sorry it is sideways, save it rotate and enlarge

    V/r HT1
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    You had the CO2 pumped for a while???, too much...

    You had the CO2 pumped for a while???, too much CO2 at too high a pressure will cause the sand to crumble, but it will get hard ... after gassing did the sand still feel sticky/ wet or did it...
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    those formulas are nuked out .. do something...

    those formulas are nuked out .. do something simple draw how thick the web and the rim is in real scale add the fillet radius and inscribe a circle in it
    this reference and figure 113 will help, ...
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    OK take everything I say as training not a...

    OK take everything I say as training not a critique please,

    if properly designed, I pulley should definitely not require any risers on the edge.. really the edge does not need to be thick at all...
  16. Thread: HT1 Pouring

    by HT1
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    that was a VERY Yellow Brass at least 40% Zinc so...

    that was a VERY Yellow Brass at least 40% Zinc so it would be 1875- 1975, it was about 1900F
    For red brasses I go 2000 to 2200

    V/r HT1
  17. Thread: Propane manifold

    by HT1
    Replies
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    2,583

    OK I bought a MR Heater POL, ...

    OK I bought a MR Heater POL, https://www.amazon.com/Mr-Heater-4-Inch-Restricted-fitting/dp/B001SGUVJU, drilled out the stupid restriction installed it and the POL from my regulator, ran the...
  18. Thread: Propane manifold

    by HT1
    Replies
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    2,583

    well I changed out the QCC ran the furnace for...

    well I changed out the QCC ran the furnace for 15 minutes only one tank got cold, I closed it's valve, and the furnace all but went out, so I swapped the tank locations. this time when i opened...
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    when you do a saucer cup and spoon you always...

    when you do a saucer cup and spoon you always pour it upside down, and choose a meaty spoon, if it fails in the pour(coldshuts) it is almost always right at the end of the handle or at the top of...
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    first, forks are not cast, but if you must...

    first, forks are not cast, but if you must rotate the mold so the tines are on the bottom, still questionable because you are up against the minimum casting thickness which is 1/4 for aluminum, so...
  21. Thread: NAVSUP Plaque

    by HT1
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    https://scontent-mia1-1.xx.fbcdn.net/v/t1.0-9/1686...

    https://scontent-mia1-1.xx.fbcdn.net/v/t1.0-9/16864808_1503328523020115_851263658777608854_n.jpg?oh=fae4402e6f06da4e6ef99211790b10a7&oe=592B270A

    Anther Foundryjoe pattern success

    Big Thank you...
  22. Thread: Drinking Mugs

    by HT1
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    Drinking Mugs

    I have a customer that wants me to make him beer steins from 57MM shell casings, while I can do this easily( braze on a handle) he is looking for an insulation effect, I can make them perfectly safe...
  23. Thread: Propane manifold

    by HT1
    Replies
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    Ok first thing, change the QCC's Thank you...

    Ok first thing, change the QCC's

    Thank you Pete

    V/r HT1
  24. Thread: Propane manifold

    by HT1
    Replies
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    2,583

    That is a 1/4 regulator, the issue is that...

    That is a 1/4 regulator,
    the issue is that pipe is measured by ID while tube is measured by OD, so 1/4 inch tune is much smaller then 1/4 Pipe. I figured with two inlets, we would get...
  25. Thread: Propane manifold

    by HT1
    Replies
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    That was.. sort of my thought I'm considering...

    That was.. sort of my thought I'm considering moving up to 3/8.. I suspect the problem has something to do with the OPD, the lines where not cold enough to be freezing . I admit to being a little...
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