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  1. Replies
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    The bulb is only drying it out so you don't have...

    The bulb is only drying it out so you don't have problems when you cure it under fire. The high temp curing makes the refractory change state to a ceramic. But this is a good time to grind and sand...
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    Good stuff! That high rise particle board flask...

    Good stuff! That high rise particle board flask looks familiar, even the burns.
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    Looks amazing! Like a scram-jet bike.

    Looks amazing! Like a scram-jet bike.
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    Aluminum roof flashing lined with plastic tarp...

    Aluminum roof flashing lined with plastic tarp worked great for me. Just be sure to put a brace in the bottom of the inner tube so the pressure of the castable doesn't make it collapse inward. I used...
  5. Fair I'd say. Leaves a small seam in the casting....

    Fair I'd say. Leaves a small seam in the casting. You can play with wax and mud to deal with it or grind it off.
  6. Yes, a number of us have. It's a very good...

    Yes, a number of us have. It's a very good adhesive for styrene foam on flat surfaces. Doesn't dissolve the foam like other types. Needs a little cure time. It doesn't hot wire very clean, but no...
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    My main point was to put it on its side and feed...

    My main point was to put it on its side and feed it from multiple gates from an overhead white foam runner and sprue like in the video. The foam limits was just spit balling like I said. I've had...
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    How about this re. the block? On my unicorns and...

    How about this re. the block? On my unicorns and stegosaurus (pics not restored yet) I use white foam runners from above to feed it from several points. Here's a video of the big boys doing something...
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    So many variables at play its hard to tell. Just...

    So many variables at play its hard to tell. Just spit ballin' now. I thought you might be hitting the limits of pink foam which is denser than the white. But the bottom looks like it filled. My next...
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    My pattern was a small ships bell from a boat I...

    My pattern was a small ships bell from a boat I used to have. Had to keep some sort of memento. It doesn't seem to have the normal bell profile of thick at the top, tapering to the bottom then a...
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    Thanks again all. That's something else this site...

    Thanks again all. That's something else this site is good for that would be a shame to loose, the appreciation of your peers. Sometimes friends and family don't get all that goes into this. Picked up...
  12. Be sure to get the ones made for aluminum or...

    Be sure to get the ones made for aluminum or they'll load up pretty fast. Not sure what stage of material removal you're at but grinding aluminum on a grinding wheel can be dangerous as it loads up....
  13. Some blowers respond better to restricting the...

    Some blowers respond better to restricting the air and some to restricting the electricity. I think the shop vacs do better with voltage control. Try a light dimmer on it like Rasper uses or a variac...
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    Thanks. I think I joined up about when that was...

    Thanks. I think I joined up about when that was going on. Every video of commercial bell foundries I've ever watched pour down the middle. Usually like I did but sometimes inverted. I don't know if...
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    Part 2. Drilling and tapping. ...

    Part 2.

    Drilling and tapping.

    http://i.imgur.com/2DQSxyF.jpg
    http://i.imgur.com/03Gf0UD.jpg
    http://i.imgur.com/kwQmyEK.jpg

    Dremmel flap wheels and hand sanding to 400 grit.
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    Wedding Bells

    Been working on this bell for my nephew's wedding next month for a while but never got around to writing it up then the big PB debacle hit and wasn't sure what to do. On imgur now and figured it out....
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    Yeah, convert was the wrong word. More like you...

    Yeah, convert was the wrong word. More like you added a new tool to your kit.
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    I think we have a convert! It's even better when...

    I think we have a convert! It's even better when any casting you think you've screwed comes out great. Be sure to fill all gaps before you coat the next one. Pink foam sands well too if you want to...
  19. Great! Now I need to get an apiary and a cow. But...

    Great! Now I need to get an apiary and a cow. But wanted to suggest this could also be sand cast on its side with a simple core for the square hole.
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    I thought I was going to dodge the bullet being a...

    I thought I was going to dodge the bullet being a small time PB user (42% of free account) but just checked my last thread and deadzy! Never got a notice at all. So tested imgur. Opened account,...
  21. Definitely show us some pictures! But if I'm...

    Definitely show us some pictures! But if I'm reading your post right it sounds like you got the refractory and kaowool backwards. Unless its a wool only furnace, the wool goes outside the refractory...
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    There are Civil War re-enactors out here on the...

    There are Civil War re-enactors out here on the West Coast too. A friend used to play in a Union Civil War band, complete with authentic instrument reproductions, and I went to some of their battles....
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    Finally got those patio lounge racks cleaned up,...

    Finally got those patio lounge racks cleaned up, clear coated and installed. Plastic ones fell apart long ago. My wooden ones were loosing their teeth. These will outlast me.
    ...
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    Atomic buffalo turds and cold beer! Mmmmmmm!...

    Atomic buffalo turds and cold beer! Mmmmmmm! -burp-
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    Looks good! Try it without the flare on the end...

    Looks good! Try it without the flare on the end of your burner, the tip pulled back a bit and a crucible in place. I know you're just curing it now but in the last pic at 15psi you're already...
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