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  1. 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...
  2. 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...
  3. 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...
  6. 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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    http://www.alloyavenue.com/vb/showthread.php?6173-...

    http://www.alloyavenue.com/vb/showthread.php?6173-Gating-Brass-bronze-castings

    I've done it though it needs new pictures, it is so old PB ate some of the pics and the migration of the board ate...
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    DONT direct pour !!! there are reasons to hot...

    DONT direct pour !!! there are reasons to hot top risers, but directly pouring down one is almost always a poor practice.. Casting Brass –
    by C. W. Ammen while a brass book goes into great...
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    Which is how it is supposed to be done, you...

    Which is how it is supposed to be done, you remove the excess any that does not adhere to the sand needs to go before you pour or it can create a surface defect or gas if it is a little wet, and...
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    I see loose sand , loose sand especially...

    I see loose sand , loose sand especially individual grains, not big chunks will float, and become trapped on the cope(top) side of a mold, someone mentioned putting parting or talc of some such...
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    you have nothing there that is thick enough for...

    you have nothing there that is thick enough for you to have a huge concern about shrinkage in aluminum IF YOU DO NOT OVERHEAT it, nor do you need to be concerned about aluminum eroding petrobond. ...
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    make it work, do it right and I will cover the...

    make it work, do it right and I will cover the stoplight bums for the first year! but from experience there are other issues yet to be seen(SPAM), but I got your back

    V/r HT1

    P.S. read the...
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    I appreciate your opinion but you really have to...

    I appreciate your opinion but you really have to think about what Lionel is doing already. he is paying for this, at least $250 per year. with the 20MB alloted to each member there is 8000 X 20MB...
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    OK can we get to some nuts and bolts??? can we...

    OK can we get to some nuts and bolts??? can we share images from Google Photos? if so I dont see an issue what about from the ICLOUD? I know it will be a learning curve for me, one that I had...
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    I have seen many guys in Asia and the middle east...

    I have seen many guys in Asia and the middle east welding with a pair of polarized glassed and a rag... gloves are always very optional as are shoes and sleeves... It looks like he is whipping up...
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    an argon blanket over the crucible will work, ...

    an argon blanket over the crucible will work, very well in an induction furnace, in a fuel fired furnace the argon has a tendency to get blown away unless you use a lid which can be problematic. ...
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    that is alot of helmet in my many travels I have...

    that is alot of helmet
    in my many travels I have seen alot of guys wearing this
    http://kottke.org/plus/misc/images/homemade-welding-mask.jpg
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    first lets get you that experience you will...

    first lets get you that experience you will need. You need to fire up all that equipment with something easier to work with then SS I highly recommend Zamak 5 ...
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