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    Welcome Novice. Nice work so far. My gal...

    Welcome Novice. Nice work so far. My gal vacillates between you're a genius and WTF is wrong with you?
    Nice job on your flask too. You may want to make a couple of smaller sizes as well, especially...
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    I built my new furnace over the past winter. We...

    I built my new furnace over the past winter. We had a patch where it was hitting the mid 30's then down into the 20's overnight. My furnace has a 2:1 sand/fireclay backing layer 1.5" thick with a 1"...
  3. Maybe these guys can help...

    Maybe these guys can help
    http://m.usbizs.com/NY/Long_Island_City/France_J_H_Refractories_Greenpoint_Division_2MJu.html
  4. If you need to put your furnace away after use,...

    If you need to put your furnace away after use, soft brick and/or kaowool will be the way to go. Hard bricks are very heavy and stay hot. Same with thick refractory. My furnaces are solid refractory,...
  5. Harbison Walker makes mizzou and kastolite 30...

    Harbison Walker makes mizzou and kastolite 30 refractories. Both are very commonly used by many of our members. They have a distribution office in Rahway, NJ. They may carry other related items, I...
  6. Welcome! Check this out...

    Welcome!
    Check this out
    http://www.alloyavenue.com/vb/showthread.php?9921-My-Furnace-And-Burner-Build

    Pete
  7. Even if you didn't find what you needed you at...

    Even if you didn't find what you needed you at least rediscovered what you did with this or that, so your time wasn't completely wasted. I know it doesn't make you feel any better. Sorry.

    Pete
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    I don't know what formaldehyde smells like. Maybe...

    I don't know what formaldehyde smells like. Maybe it's residue in your furnace or perhaps it's coming from the refractory. Charcoal and coal (you mentioned anthracite in your other post today) burn...
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    I've been ok

    I've been ok
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    Sticky: This one comes to mind...

    This one comes to mind
    http://www.alloyavenue.com/vb/showthread.php?10751-My-Pressure-Tank-Disaster
    I guess everyone has to make their own judgement based on their setup and how hot their burner...
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    Sticky: That's kinda funny cause I have a friend whose...

    That's kinda funny cause I have a friend whose name is Jim Dee.

    Those castings cleaned up nicely. Great work.

    Pete
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    Sticky: Your furnace looks great. Maybe add a couple...

    Your furnace looks great. Maybe add a couple straps around the outside in lieu of the wire for better stability. There's no telling how brittle the mortar joints will be after it's fired. I would...
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    Letter opener. Wear gloves!

    Letter opener. Wear gloves!
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    We're waiting for you! I have an SB9 I bought...

    We're waiting for you!

    I have an SB9 I bought a couple years ago, it's my first lathe and I absolutely love the world it's opened up for me. I've turned wood a couple of times on it but generally...
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    Sticky: Castings came out great. Very nice work on the...

    Castings came out great. Very nice work on the pattern too. It's hard to tell much from the photos, did you use a router for that center groove? How were the dimples made?
    I'll be interested to see...
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    Nice sheave! It looks like you're an old pro!...

    Nice sheave! It looks like you're an old pro!
    Seriously, that turned out nice. You're right it sucks. That's a pretty good illustration of the feeding.
    The rim is a winner. The pistons may or may...
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    Sounds like it just needs a little use. I assure...

    Sounds like it just needs a little use. I assure you he doesn't live anywhere near me! It's been colder than a bastard here for months, but in the few brief warm spells my petrobond has been fine. I...
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    I think your last picture shows the cooling...

    I think your last picture shows the cooling effect pretty well. It looks like the shrinkage in the top is more symmetrical around the hub than in previous castings. It's still there though. Your...
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    Sticky: As long as your still in the planning stage maybe...

    As long as your still in the planning stage maybe you'd consider 10" or so. Oil likes room to burn . My first furnace was about 7.5" and from the first time I burnered oil in it I wished it was...
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    Oh yes, this is indeed a casting forum, but I...

    Oh yes, this is indeed a casting forum, but I would own fewer woodworking tools and none of my metal working machine tools if it weren't for my metal casting. So it all fits here, as do any...
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    The ingate from the sprue should be much smaller....

    The ingate from the sprue should be much smaller. In this case it has the singular function of filling the mold. The feeding of the cooling casting is done by the riser which should be somewhat...
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    Pretty clunky is right. That can turn into a lot...

    Pretty clunky is right. That can turn into a lot of turning. All the more reason to use a good castable and machinable alloy. Like any other job the end use of your casting will determine the...
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    The blowers you see on oil and gas burners are...

    The blowers you see on oil and gas burners are performing several functions: to physically cause air and fuel to mix by creating turbulence, at to provide oxygen for combustion of the fuel itself. In...
  24. Great progress. A good mentor is your greatest...

    Great progress.
    A good mentor is your greatest asset!

    Pete
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    I've seen flour used as an additive to the sand...

    I've seen flour used as an additive to the sand in small proportions but not using it as parting (till now). I use a commercial parting that I overbought several years ago but I understand white...
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