Subject:
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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 10:55:46 GMT
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Original-From:
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Andy Gombos <GOMBOS_2000@YAHOO.COMantispam>
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Viewed:
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652 times
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Brian Alano wrote:
> I toyed with sewing thread. I tied it to the end of the dart and fed it
> through the cannon.
> Here are my observations.
>
> 1. Rewinding and reloading works fairly well. As long as the dart doesn't
> approach the cannon at a right angle to the barrel, it will usually load
> fine.
> 2. The thread has to be fairly strong in order to overcome the spring
> tension during loading.
> 3. Paying out thread without severely slowing down the dart is the hard
> part. My attempts failed. You need some kind of spindle to rewind the
> thread, but I believe you would have to remove it in order to let the
> thread pay out unfettered.
Gear up a old 9V motor to spin the spindle very fast, and then spin it just
before and while the dart is flying. You may be able to keep up the thread
payout with enough gearing.
Andy
--
See my Visual Interface for leJOS at http://lvi.sourceforge.net
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Message has 1 Reply:
 | | Re: Call me a Lego pureist if you will but...
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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 (...) (24 years ago, 25-Apr-01, to lugnet.robotics)
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Message is in Reply To:
| | Re: Call me a Lego pureist if you will but...
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| I toyed with sewing thread. I tied it to the end of the dart and fed it through the cannon. Here are my observations. 1. Rewinding and reloading works fairly well. As long as the dart doesn't approach the cannon at a right angle to the barrel, it (...) (24 years ago, 25-Apr-01, to lugnet.robotics)
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