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metal casting video

 
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our friend Steve has a little youtube vid about it. He recycles metals and uses joints to make cool octagon structures, etc.

http://www.youtube.com/watch?v=UsF4qrR4TQ8
 
steward
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Very cool!

Steve has lots of cool stuff he's done with casting.  I hope he posts lots more videos.
 
                                
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This is a great idea. The "hubs" of the dome have the same angles whatever the length of the vertices of the geodesic dome. I looked into purchasing cast hubs maybe a few years ago, but could not find a supplier (was thinking of making a temporary shelter/greenhouse/barn). There was someone making hubs out of pressed sheet steel, but I was not impressed with its strength.

This sort of enterprise would flourish in a post peak environment assuming some natural gas could be obtained. Recycling aluminium into a "cottage industry" setting had great potential.

I liked seeing him use greensand for the mold. takes me back to my highschool metal work days.

Thomas
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