 Ring Launcher
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randommscience117
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Mon Jan 02 2012, 07:40AM
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Registered Member #4274
Joined: Mon Dec 19 2011, 03:10AM
Location:
Posts: 47
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So a ring launcher launches aluminum hard drive platters a few feet in the air. A pulse cap (like a Maxwell Monster 7kJ type) to the ring launcher and it punches holes in the ceiling (Thankfully not from experience but from stories I've heard). Anyway, I know that you can have a 500lb pull magnet and if you try to climb a HVAC Duct with it, nothing is going to happen, because there isn't enough iron in the sheet metal to support the full electromagnetic field. What I would like to know is, does the same rule apply with a ring launcher? Is there a theoretical maximum power for one launching an aluminum hard drive platter? What kind of power are we looking at?
Thanks!
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radiotech
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Registered Member #2463
Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
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The ring launchers I have seen use AC current and depend on the Lenz' law repulsion.
The force depends on the current in the ring.
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Steve Conner
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Registered Member #30
Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
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I guess the theoretical maximum would be if the platter was torn apart or melted before the launch pulse was complete. It's pretty high. The DoD chose the repulsion principle for their experimental coil mortar.
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