Subject:
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Reloading cannons (was Re: Call me a Lego pureist if you will but...)
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 26 Apr 2001 21:44:51 GMT
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Original-From:
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Brian Alano <ALANO@KIVA.NETstopspam>
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Viewed:
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587 times
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>
> > Why not use a winch with only 1 circlular plate on the axle? Once the
> > projectile is re-loaded turn the winch through 90 degree's so that the • axle
> > is in line with the dart. Fire the dart and the thread will spool off the
> > end of the axle automatically, you will of course have to be careful how • you
> > wind the thread onto the axle in the first place so it doesn't get
> tangled.
>
> I believe this will twist the thread. If you have ever struggled with a
> garden hose, you'll know what that can do.
I believe you are right, but I still think this might be the best solution.
Using a large diameter spindle would help. I know many of the US's wire-guided
munitions pay out this way (they don't have the problem of reloading using the
same wire, though).
I also agree that fishing line might be a better filament.
--
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$50,000 for Jill Behrman
http://www.indiana.edu/~alumni/iuaa/jillbehrman/
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Message is in Reply To:
 | | RE: Call me a Lego pureist if you will but...
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| ... (...) ... (...) If you don't pre-accelerate the winch or outright power it, then some of the energy that propels the dart out of the cannon will be needed to accelerate the spindel. That will happen right away, as the dart leaves the cannon. (...) (23 years ago, 25-Apr-01, to lugnet.robotics)
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