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Saved by uncleflo on November 14th, 2022.
Concrete pontoons stand out in contrast to other pontoons for its stability and durability. The concrete pontoons are filled with foam plastic and are resistant to freezing in as well as to salt water exposure. The pontoons, from the heavier breakwaters made of concrete to the lighter ones made of wood, are designed to last for 30-50 years. The all concrete and styrofoam construction of the pontoon produces a very high degree of buoyancy thus making it virtually unsinkable. It is practically maintenance-free and has little or no impact upon Nature and the Environment. Each standard pontoon is designed to accept electrical and water supply services.
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Saved by uncleflo on July 18th, 2016.
The gun is solid aluminum, made from melted down soda cans. I spent over 100 hours of time, and 7 styrofoam prototypes to make this video. About a third of the time was spent filing and sanding the gun. Each time I poured a casting for the gun, the trigger guard wouldn’t complete all the way through, so I kept making new styrofoam guns, modifying the designs slightly until it worked. Once I got a fairly clean casting, I put 2 days into filing down rough points, and sanding them smooth. The gun could use a little more work, and it’s not perfect, but this experiment was mainly a proof of concept that nearly anything you can imagine can be made fairly easily with the “lost foam casting” technique. Overall, I really am happy with the gun though! It weighs 556 grams, and is really quite smooth to feel. For future projects, I plan to work more with green sand casting. I believe it will leave a nicer finish overall and won’t require as many prototypes to get it right :) Instead of foam, wood plugs can be used to make the molds, or even real weapons for that matter.
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