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GreenTwin
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    • GreenTwin
      GreenTwin replied to the thread Home Foundry.
      Here is a pretty good summary of common casting defects...
    • GreenTwin
      GreenTwin replied to the thread Defective casting ..
      Without knowing more about the sprue/gate/runner configuration, I would guess that you have a sand inclusion. I found a good summary...
    • GreenTwin
      GreenTwin reacted to creast's post in the thread 1/8 Rider Ericsson - Home build with Like Like.
      Well, the replacement DRO arrived and has been fitted so milling can continue :). Today I cast the walking beam in a zinc alloy but I...
    • GreenTwin
      GreenTwin replied to the thread Home Foundry.
      I was on Alloy Avenue (backyard casting forum) from 2011 to about 2017, and I read everything that was posted, daily, for about 8 years...
    • GreenTwin
      GreenTwin replied to the thread Home Foundry.
      I haven't done investment castings, and so I can't add any information on that process. .
    • GreenTwin
      GreenTwin reacted to abby's post in the thread Home Foundry with Like Like.
      If you are hoping to eventually cast something as complex as the above manifold then forget sand moulding , investment casting is the...
    • GreenTwin
      GreenTwin reacted to minh-thanh's post in the thread Home Foundry with Like Like.
      Hi Dave ! Thanks for informations . I have read a lot about casting here , watched many youtube videos about casting , but the Big...
    • GreenTwin
      GreenTwin reacted to SmithDoor's post in the thread Home Foundry with Like Like.
      At time a foundries was simple. They locate the foundry witch had good molding sand. The furnace was just stack of bricks and used coal...
    • GreenTwin
      GreenTwin reacted to minh-thanh's post in the thread Home Foundry with Like Like.
      GreenTwin ! Thanks for sharing !! Maybe I will build a small smelter to test
    • GreenTwin
      There are very few shapes that really require the lost wax / lost PLA / lost foam methods. I have seen some really complex shapes...
    • GreenTwin
      The cantilever design looks great, but would require very careful design. There would be a large moment on the footings, and a...
    • GreenTwin
      GreenTwin replied to the thread Home Foundry.
      There are a large number of what I call "weekend warrior" foundry burner and casting guys on youtube, and it is pretty safe to say that...
    • GreenTwin
      GreenTwin replied to the thread Home Foundry.
      I a glad to share, and hope others can get into the hobby, or improve their methods perhaps if they are already in the hobby (we have...
    • GreenTwin
      GreenTwin reacted to stevehuckss396's post in the thread Zanesville Model show. with Like Like.
      Yes I'm sorry. I forgot to include the September part. Unfortunately it's the same weekend as the black hills show in South Dakota.
    • GreenTwin
      GreenTwin replied to the thread Zanesville Model show..
      I guess September 24th, 25th ? .
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