Subject:
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Re: Black Falcon and Crusader Trebuchets
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Newsgroups:
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lugnet.castle
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Date:
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Thu, 4 Dec 2003 15:16:39 GMT
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Viewed:
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1360 times
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In lugnet.castle, James Brink wrote:
<snip>
>
> I worked for quite awhile to get the falcon version to work. I can get good
> velocity on the sling by adding larger counterweights, but the projectile either
> flys out too early or sticks in the pouch. I think with a non-LEGO pouch and a
> lot of patience I could make it work.
<snip>
I'm not much of a "Castle guy," but I love trebuchets. Yours are definitely
medieval-looking, although kinda small for scale (but isn't most everything in
minifig scale?).
Suggestions for actually getting it to fire:
- your counterweight should be at least 10x projectile weight (hard to achieve
at this scale). You can "cheat" by stuffing the CW elements with lead - go buy
some pellet-gun pellets at Wal Mart and stuff 'em in with a stick; they are soft
enough to pack in there (but won't ever come out...
- you might have better luck fixing a string to the projectile, rather than
using a "real" sling arrangement (keep the sling for display - it's GREAT).
- adjustment of the launching angle requires an adjustable-angle release pin -
something that's very hard to do in Lego, especially in scale. You can
accomplish some adjustment by playing with sling/string length (start with the
length of the "long end" of the arm (axle to end) and make small adjustments.
Again, it will be difficult in scale.
Good luck!
James Wilson
Dallas, TX
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Message has 1 Reply:
 | | Functional Black Falcon Trebuchet
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| Hi, I actually got an experimental version to work after my original post. See this post: (URL) I had to change the sling and I used a minifig hand for the release pin :) It had just the right angle. I can throw a good five feet by adding even more (...) (20 years ago, 4-Dec-03, to lugnet.castle)
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Message is in Reply To:
| | Re: Black Falcon and Crusader Trebuchets
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| Thanks for the compliments! (...) I worked for quite awhile to get the falcon version to work. I can get good velocity on the sling by adding larger counterweights, but the projectile either flys out too early or sticks in the pouch. I think with a (...) (20 years ago, 4-Dec-03, to lugnet.castle)
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