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    Nice pattern and foundry work. Mark

    Nice pattern and foundry work.
    Mark
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    No Injuries so far. Boots, cotton clothes,...

    No Injuries so far. Boots, cotton clothes, leather jacket, hard hat with mesh visor, and long welding gloves.
    Mark
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    Looking great. I have only tried brass once,...

    Looking great.

    I have only tried brass once, and the plume of white smoke is a show stopper for me living in the city. Shame as I have a whole bucket of old taps and fittings.
    Mark
  4. I'm with Jabboy. Don't worry about painting a...

    I'm with Jabboy. Don't worry about painting a furnace. I did, but the first time you open the lid at iron temps, you burnt off a decent part of that paint.
    Mark
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    Sticky: Good point. I put my fuel tank, blower, burner...

    Good point. I put my fuel tank, blower, burner and line opposite to the side I put the open lid on. Also used a metal flex reinforced hose incase I stomp on it, but running full shop air pressure...
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    Since this thread is iron casting lost foam, I...

    Since this thread is iron casting lost foam, I hope you don't mind me posting into it, rather than making a new thread.

    The aim is to make the raw casting for a spindle housing. I want it to fill...
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    Sticky: I got given an old fire extinguisher as a tank....

    I got given an old fire extinguisher as a tank. Bored out the cap, threaded it and screwed in an airline fitting. For the first trial I was using my friends shop air. No idea what pressure but...
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    Sticky: I added a needle valve and pressurised tank and...

    I added a needle valve and pressurised tank and it makes mixture control really stable with a diesel/ waste oil mix.
    Maek
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    Nice casting. Is your moulding board that...

    Nice casting.

    Is your moulding board that peice of OSB? Do you sometimes have issues with separating the cope from the drag cleanly? I use a really smooth finished ply (printers plate? not sure...
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    Ramming up molds also mulls the sand. If you...

    Ramming up molds also mulls the sand. If you spend a hour doing molding practice without actually pouring, you notice the sand gets a lot better.
    Mark
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    That is a nice simple solution. I might even have...

    That is a nice simple solution. I might even have 20mm circlips.
    Mark
  12. Thread: Eagle Statue

    by rotarysmp
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    Zapins, I think it is cool how you share this...

    Zapins, I think it is cool how you share this creative process with us. You are a very talented artist, and it is generous of you to give us a peak behind the curtains to see the processes wich lead...
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    I have used the pyrometer for a few pours now. It...

    I have used the pyrometer for a few pours now. It is pretty slow acting with the carbon and air gap, but that is a good thing. Good advice to preheat it in the exhaust.

    I used to always hurry to...
  14. Really nice castings. You even picked up the 3d...

    Really nice castings. You even picked up the 3d printer surface texture. That Petrobond makes for a nice finish.
    Mark
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    You are off to a great start. Given that there is...

    You are off to a great start. Given that there is a name for a casting with the pattern left in (I don't have C.Ammens book handy to look it up) you certainly arent the first to do that.

    That is a...
  16. Finally finished the oil burner, sized around my...

    Finally finished the oil burner, sized around my new furnace:...
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    Good start Cork. Welcome. Mark

    Good start Cork. Welcome.
    Mark
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    2130kg per cubic meter. That is about right. That...

    2130kg per cubic meter. That is about right. That is how the industrial suppliers indicate density. Industrial applications also buy the stuff in those large quantities. That would mean your 25kg bag...
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    I have also done an audit in a German auto engine...

    I have also done an audit in a German auto engine plant, and the level of process control which is now standard in these industries really is impressive. In my home casting, I only just made a...
  20. It is. Must have cost a fortune new. ARO had a...

    It is. Must have cost a fortune new. ARO had a sales office on the Opera Ring in down town Vienna back then. I think the only sales show rooms still in that area are jewellery, expensive dresses, and...
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    Are they sure that is a boxford? It looks like it...

    Are they sure that is a boxford? It looks like it was made in the 20's whereas Boxford only got started just before WWII.
    Whoever ones it obviously looks after it. It can't be easy to keep rust...
  22. 1952 Drill press. Made in Vienna. Fantastic...

    1952 Drill press. Made in Vienna.
    Fantastic machine. Glad I restored it. The 330W 3phase motor, has much bigger Watts than the 370W Chinese drill press I was using before :) It runs really smoothly...
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    Sorry for the Threadjack MP, I have move the...

    Sorry for the Threadjack MP, I have move the aviation casting discussion to it's own thread.
    http://www.alloyavenue.com/vb/showthread.php?12748-Casting-in-aviation
    Mark
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    My experience is as an authorities certification...

    My experience is as an authorities certification inspector, so I only critique/accept/reject and audit the substantiations I see, rather than having real practical experience of having done the work...
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    Casting in aviation

    Rather than further thread jack MP' thread about the effect on Young's modulus of casting defects, I thought it better to start a specific thread about casting in aviation.

    Foundry Joe brought up...
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