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  1. Replies
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    1. head pressure! you need to be sure your metal...

    1. head pressure! you need to be sure your metal has ALOT of head pressure, that means a thick cope!
    2. Use real casting alloy!!!, 6061 will not fill those thin fins, use a real casting alloy, ...
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    yellow brass does not need a top cover or a flux...

    yellow brass does not need a top cover or a flux of any type... if your furnace is running right... dont melt more then about 2/3 of a crucible at one time. I would let if make a puddle and then...
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    why would you make ingots out of brass shells???...

    why would you make ingots out of brass shells??? they are worth more intact for reloading, and the ingot will be contaminated with sulfur which makes the metal brittle..If you insist on this route...
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    for petrobond the U.S. Navy recommends GFN 80...

    for petrobond the U.S. Navy recommends GFN 80 Silicia sand. 100 Lbs sand add 5 pounds Bentone , dry mull one minute. with muller in motion add 2 pints of oil mull for 10 Minutes. finally add 1...
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    your molding area needs a concrete or steel...

    your molding area needs a concrete or steel floor so you dont loose all your sand, but the pouring area is best over sand/dirt

    V/r HT1
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    You pretty much covered it all , save some are...

    You pretty much covered it all , save some are scared that Leo is completely gone, and when he does not pay the bill the entire site will become a big
    404 Page not found


    V/r HT1
  7. I'm positive I have given the very same advice...

    I'm positive I have given the very same advice here before,

    V/r HT1
  8. Jumping Jesus on a pogo stick. Sprinkle sand on...

    Jumping Jesus on a pogo stick. Sprinkle sand on the top of the Plith!!!!it really is that simple, if your crucible sticks to the sides... its not supposed to touch... but rub it down with graphite
    ...
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    good to about 1800F you can literally hold red...

    good to about 1800F you can literally hold red hot steel. poor dexterirty, but great for the heat

    http://www.sir-plus-supply.com/usgi-kevlar-hot-barrel-changing-mitt-unissued/
    ...
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    I like Graphite, in green sand you are best off...

    I like Graphite, in green sand you are best off suspending it in alcohol spraying it on and burning out the alcohol... Also someone on here had some great Mold wash recipes lately you should try, I...
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    be careful with the Talc too much will cause you...

    be careful with the Talc too much will cause you surface finish problems

    we discussed it here http://www.alloyavenue.com/vb/showthread.php?13253-Gating-in-cope-or-drag

    V/r HT1
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    Post office has no weird rule 70 Lbs max use...

    Post office has no weird rule 70 Lbs max use tons of tape so the box stays together

    V/r HT1
  13. this really depends on where you are, and how...

    this really depends on where you are, and how active you are. I swap tanks for somewhere every single week, I have NEVER had a tank refused or been asked to pay for a hydro since I retired from the...
  14. http://slideplayer.com/13/3866991/big_thumb.jpg ...

    http://slideplayer.com/13/3866991/big_thumb.jpg

    LOX liquid oxygen, you can see a perfect LOX Propane outfit in this image all the equipment is the same as an oxy acetylene rig save you use...
  15. I find that an odd arrangement if you have a 60...

    I find that an odd arrangement if you have a 60 or 100 tank you can use it in the field quite easily .... maybe you are using one of the really small portable outfits I can see that, but still for...
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    I agree and disagree with you: Preheating the...

    I agree and disagree with you: Preheating the material to be welded slows the cooling rate in the weld area. This may be necessary to avoid cracking of the weld metal or heat affected zone. The need...
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    http://www.millerwelds.com/resources/communities/m...

    http://www.millerwelds.com/resources/communities/mboard/forum/welding-projects/19342-tig-welding-bronze


    This will help but remember you must be working with a BRONZE, not a brass, with brass...
  18. for heating and cutting you can use Oxy Propane, ...

    for heating and cutting you can use Oxy Propane, you cannot weld with Propane, it's hot enough! don't let people fool you with that urban legend, but it does not protect the base metal from...
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    looks like 4032 forging ... But I would cast it...

    looks like 4032 forging ... But I would cast it all day long

    V/r HT1
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    that is not what we(hobbiests) think of as a...

    that is not what we(hobbiests) think of as a crucible, that is the lining for a furnace, if you tried to lift that you would have a very bad day, and stuff made for induction furnaces is only for...
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    never open cast iron molds unless you can put...

    never open cast iron molds unless you can put your bare hand on the top of the cope and leave it there. if your mold has open risers, cover them completely(fill the riser and make a pile on top)...
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    is it less of a read then...

    is it less of a read then https://www.amazon.com/Castings-Second-Edition-John-Campbell/dp/0750647906 because that is just too much info for the hobbiest

    V/r HT1

    P.S. I will get new pictures...
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    estate foundry sale MI

    A fellow Retired Navy Foundryman gave me a heads up on this anyone in the are needs to go get some goodies. the cannon patterns are worth their weight especially if you can get the core boxes
    ...
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    ok.. Your petrobond looks "dry" to me. Mull the...

    ok.. Your petrobond looks "dry" to me. Mull the hell out of it the greens strength will improve. you need to rap that pattern. the secret to rapping is to move the entire pattern, not just the...
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    he's an old man telling stories so you are only...

    he's an old man telling stories so you are only going to hear what he knows
    V/r HT1
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