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Thread: The Bucket Foundry

  1. #4006
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    Quote Originally Posted by oxracer View Post
    Ha! I wish. ������
    Thats alright me still have Mike Moore Ex NZ prime minister and chair of WTO framemaker plus a fairly famous Hollywood film producer



    Kinky is using a feather. Perverted is using the whole chicken

  2. #4007
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    Finally a concrete expert turned up at my place. Furnace is poured, now we wait, three weeks to dry apparently. Concrete mixer was my father's, father's mixer, older than me! It's been sitting in Claire's garden as a feature for more than ten years. Pluged it in and away it went, built old days proper.
    A 240V winch with a pendant turned up a few weeks ago, free, so it's starting to happen. At last!
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  3. #4008
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    Quote Originally Posted by Flettner View Post
    Finally a concrete expert turned up at my place. Furnace is poured, now we wait, three weeks to dry apparently. Concrete mixer was my father's, father's mixer, older than me! It's been sitting in Claire's garden as a feature for more than ten years. Pluged it in and away it went, built old days proper.
    A 240V winch with a pendant turned up a few weeks ago, free, so it's starting to happen. At last!
    So what was the castable refractory you ended up using Neil.



    Kinky is using a feather. Perverted is using the whole chicken

  4. #4009
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    This stuff.
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  5. #4010
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    20th January 2010 - 14:41
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    I was watching a green sand casting the otherday for ductile cast iron with greensand just before they put the cope and drag and core together they sprayed on a coating which was then set on fire to be burnt off it was claimed to improve the surface fnish i suspect it also added carbon to stop it sticking a bit of searching leads me to believe the ingredients are mainly alcohol some bentonite ?
    Anyone know what it is?



    Kinky is using a feather. Perverted is using the whole chicken

  6. #4011
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    Some sort of ceramic paint on stuff. Paint on then set fire to it, burns off leaving a smooth surface behind. Not really nessasary I think for what we do.

  7. #4012
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    Quote Originally Posted by Flettner View Post
    Some sort of ceramic paint on stuff. Paint on then set fire to it, burns off leaving a smooth surface behind. Not really nessasary I think for what we do.
    Yip but this one was spray, burns like a good-un



    Kinky is using a feather. Perverted is using the whole chicken

  8. #4013
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    managed to get the inner mold out. Take the spacer out and shrink the ring with a giant vice grip. Two weels and five days to go.
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  9. #4014
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    Quote Originally Posted by Flettner View Post
    managed to get the inner mold out. Take the spacer out and shrink the ring with a giant vice grip. Two weels and five days to go.
    Looking good! - Inner former done the same way mine was, except mine was slightly more puny , - I just used some sheet steel and attached wooden battens at the edges with wood screws and bolted them together to complete the circle, but basically the same principle.

    Mine was built on the cheap (like everything else!) - I didn't want to buy too much of that expensive concrete so I made an inner hard face (one half thickness) and packed it with ceramic wool (freebie of course) around the outside and a sheet steel casing - worked ok …… but if I do another there will be a rethink in places. eg your lid looks very professional - mine was a pig's arse as I had to make it with a "combustion chamber" in it to clear the crucible enough, as I had misjudged the height! of the furnace inner …… but it works well just the same!
    No secondary insulation on the outside? - also, how did you do the 'tuyere' bit for the burner?
    I used a silicon carbide tube (replacable) to make a tuyere to hold the burner and I do have a few of these if you want one - no cash required, it is very good and I accidentally found that as the burner was pulled back into the tube it's performance changed dramatically (for the better) - good for fine tuning to get it right! ….. something like " ESE's Works Foundry Tuner" you might say
    Some people will tell you that is a "no no" - but (in my case anyway) that piece of advice was utter bullshit!

    Very impressive job!
    Freedom of speech is important but if what we say is considered incorrect by our peers, they will quickly put us right.
    P.C. will eventually destroy our right to tell the truth.

  10. #4015
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    Quote Originally Posted by Flettner View Post
    managed to get the inner mold out. Take the spacer out and shrink the ring with a giant vice grip. Two weels and five days to go.
    https://www.kiwibiker.co.nz/forums/s...w-bike!/page15



    Kinky is using a feather. Perverted is using the whole chicken

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