Jarod and I are getting ready to pour some aluminum this week. We've been working (practically all semester) to get this mold ready. It's 4-part 1000 lb sodium silicate sand mold... it's a monster. Below you see the core on the left and the top part is on the right.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTvif4elUUeWFO3mFWXSiGpt1maURwgMfchdNMcx1xcyuk8FcAlytDkoi4hitENrsmjOMDuAj5sdSwNxk2nfk5wvXKIeruKuS5B3Os4ymzATLbhUMc5B9qbfmchKOD3wGjWgpmBEQ3JVIv/s400/bubble-sandmold.JPG)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEht5RiLxgaJR-8XqDxZHGZfss8x4F7JUp7t8hPd5kCzJqs-M8uwgnarlfpQWbrrtXde2VUZTuqgz9Y06UCi9-DDQUpQZMj640u2gZeKTYhcJWwNckvCL_b9s9bHfFL7QCVdb-GO652uKSTb/s400/100_0815.JPG)
The interior of the mold gets coated with graphite, so the metal can flow smoothly and won't stick to the sand.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7nSdx4iQBmwj_liXYVFJm1KkkXNJlZjjlxqi1hiiXBI3WmhBE99GjKlmgX8W0MEN6MDn-n8Np0VHSKBq_9MS_lr_HnEX92fnnu89VCnx688EORYgyBGlS3CnnIxCqISzWBkrpnOjcmvPt/s400/bubble-sandmold...JPG)
We have to use the forklift because of how ridiculously heavy each piece is.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgczqFdQge-gTWxPALV3dyOGt_Jm25KEiuZPlkDekroQpdfoGc_VmJ5legUxwndiY1edruu2pXvnP71fFX5yuGDZGGMIfG0RLUtU8RN0BxsqCWYc33AJLeJkI3cVVOXPEGDfLLPEmUAB387/s400/bubble-sandmold....JPG)
Just as we were lowering the last piece of our mold in, it broke. We had a mini freak out, but have since figured out how to fix it. We're so close!
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