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    In about 5-minutes...someone will reply with the...

    In about 5-minutes...someone will reply with the pic (we've all seen) showing a melted rubber furnace wheel :D

    Seriously...get a cast-iron (or all-metal) wheel, no messin' round, shit gets H O T !
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    Beware of that lid form, you've got zero draft on...

    Beware of that lid form, you've got zero draft on the vent-stack. It's likely you'll have to break/burn the wood to get it off (I encountered this problem). Others have suggested (in many other...
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    This is simply not true. Hosting images on the...

    This is simply not true. Hosting images on the _WRONG_ site is a bad idea :D
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    I tried the 'needles poking out' thing with my...

    I tried the 'needles poking out' thing with my dense refractory, it doesn't work because you have to vibrate the stuff to get it to move at all. Trying to stick a needle in it requires so much...
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    Ya, gash-shape doesn't really matter IMHO, what...

    Ya, gash-shape doesn't really matter IMHO, what you did should be plenty rough-enough. It may not settle down in those cracks naturally, despite insulating refractory being pretty "wet" and workable...
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    IKR! Shit looks REALLY bad. I'm less scared up...

    IKR! Shit looks REALLY bad. I'm less scared up here..we take hurricane sloppy-seconds every chance we get :D

    Reminds me, needa fill up all the bathtubs and trash-barrels with gray-water to flush...
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    It doesn't stick very well to smooth/hard...

    It doesn't stick very well to smooth/hard surfaces as a rule. If in doubt, cover the surface with oil or petroleum jelly or (undiluted) dish-soap.

    It looks like insulating refractory to me. If...
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    Good on ya, this is a really important lesson to...

    Good on ya, this is a really important lesson to experience early on. When you get into bigger things, a small bit of distortion on one end leads to a HUGE misalignment farther away.

    It's fine to...
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    Is that insulating or dense refractory? I can...

    Is that insulating or dense refractory?

    I can say from experience with dense refractory, you'll need to mar up the mating surface really really well otherwise the next course won't "stick" and...
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    Clamped up the piece of DOM tubing which will...

    Clamped up the piece of DOM tubing which will eventually become the lid support and pivot. I think it's 3/4" diameter and 0.05" thick. Placed the furnace body-skin on the tube, squared it up, and...
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    It's gobs more expensive, but you can use...

    It's gobs more expensive, but you can use sheet-metal. Maybe see if you can find a roll of of aluminum "flashing" - used by roofers. It's pretty cheap at hardware stores. Another idea is to ask a...
  12. Welcome! Hehe, yep, same thing brought me...

    Welcome!



    Hehe, yep, same thing brought me here. Oogling that lathe, and dreaming "how hard can it really be"?

    The myfordboy-style furnace is pretty-well the de-facto recommended standard as...
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    Aww man, that really stinks. Looks like it broke...

    Aww man, that really stinks. Looks like it broke your crucible too, geeze. Any idea how/what caused the failure (so you and others can avoid that later)?



    They don't have Murphys down under. ...
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    I could have wasted 20 minutes going to the...

    I could have wasted 20 minutes going to the store, an hour finding what I wanted, another hour arguing with the isle-assistants, countless dollars on a bunch of extra stuff I didn't need, and about...
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    Heavy dooty! Seriously...that shit is heavy! ...

    Heavy dooty! Seriously...that shit is heavy!

    https://spideroak.com/share/OI2HUMDSG5XTG/foundry/home/chris/Pictures/Forge/photos/2017-09-03 14.24.54_thumbnail.jpg

    Ended up compromising between...
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    ...my bad too, I shoulda said wheel-arm instead...

    ...my bad too, I shoulda said wheel-arm instead of axle. Meaning the entire structure between center-pivot and wheel.



    Aye, yoda's right, and also remember in reality, this isn't a perfectly...
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    It's done. Both arms officially more exhausted,...

    It's done. Both arms officially more exhausted, than before I met my wife :D

    I was originally going to make a partial cylinder, to allow for access to the drain hole under the furnace. However,...
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    Interesting, hard to tell from that pic, but you...

    Interesting, hard to tell from that pic, but you could be right.
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    Interesting discussion. I'm no physicist, but I...

    Interesting discussion. I'm no physicist, but I agree with Kelly and Pete. The longer the axle, the more opportunity for it to flex in the direction you don't want. One idea to mitigate that, and...
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    Searched and searched and searched and couldn't...

    Searched and searched and searched and couldn't find a Red shirt anywhere! Huh. Must he have gotten eaten :D

    Took a break from welding stuff, and dove right into the little job I REALLY didn't...
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    hehehe, nope, I'm back and itching to step foot...

    hehehe, nope, I'm back and itching to step foot in the garage! Went back to the day-job on Tuesday, found every crisis imaginable (except for getting fired) had occurred while I was out :S
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    Eek! Blood! Newfangled tree-carcass attachment...

    Eek! Blood! Newfangled tree-carcass attachment mechenism observed! Danger! Danger! Fibrous carbon-based construction has occurred! Evacuate the TIG welders! All sharp-tungsten's for themselves! ...
  23. With the mechanism all but done...integration...

    With the mechanism all but done...integration with the furnace follows...
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    Okay, so heat must simply speed the reaction with...

    Okay, so heat must simply speed the reaction with the (trace) Co2 in the air. Using resin for cores probably isn't too bad as all the nasty gasses would just get burned up. I was thinking about...
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    'tis how I been rollin' recently too. Needa...

    'tis how I been rollin' recently too. Needa bigger bead, use a bigger lay-wire :D

    There are situations where it doesn't work so good. It's not wasted practice to dabble in the "regular" dabbing...
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