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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Heavy quick release mechanism???
OK, perhaps this might sound strange, but I'd like to drop a car from a
crane. I'm thinking about doing a project for a high school senior class to show the violence of an auto crash (educational for prom week) at roughly 30-45mph. In order to do this, I'd hoist an auto by a crane up say 40 - 50 feet, and then drop it to the ground. But, to do this, I need some type of quick release mechanism, because the crane owner isn't going to risk damaging his equipment by free-falling the cable. I've thought about using heavy duty strap webbing with a quick release buckles, but I'm not sure if they would support the weight. The release has another problem - how do I do it from the ground? Ideally, I would have some sort of remote controlled release, but wireless? Wired? Mechanical? Cheap and easy is the challenge as well. If any have any suggestions, I'd love to hear them. Thanks in advance, TJ Hanlon SRO, Pawling Schools |
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