Subject:
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Re: Trebuchets
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Newsgroups:
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lugnet.castle
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Date:
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Thu, 22 May 2003 00:49:43 GMT
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Viewed:
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3120 times
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I've now also modified my trebuchet to use two weighted bricks in the
counter-weight. Here it is cocked, loaded, and ready to fire:
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=406945
It now throws in the 12-14 foot range, which is a respectable 175-200
yards in mini-fig scale.
Brian
In lugnet.castle, Brian H. Nielsen writes:
> As I mentioned I wanted to do in my other post, I've changed to a braided
> sling pocket and it made a big difference, both in ease of setup and
> distance. It now throws about 6 feet. Time to see what sling length and
> end hook gives the best performance before I change how the weight on the
> arm is distributed.
>
> Brian
>
> In lugnet.castle, Josh Wedin writes:
> > Hey Brian,
> >
> > Very nice trebuchet! I saw that show too and loved it. You can buy copies
> > of it off of their website. Anyway, your rendition is very cool. I am
> > thinking of building one too after all this talk about them. But now I will
> > be a copycat! :) How far does it throw that soccer ball? I built a wooden
> > trebuchet out of 2x4s right after I watched that show (and read about in the
> > Smithsonian). But I couldn't get the weights right. Oh well, I will have
> > to try again this summer.
> >
> > Josh
> >
> > In lugnet.castle, Brian H. Nielsen writes:
> > > In lugnet.castle, Benjamin Ellermann writes:
> > > > In the US we have a public television program called Nova.
> > > > They had a cool show on trebuchets. Check out details here:
> > > >
> > > > http://www.pbs.org/wgbh/nova/lostempires/trebuchet/builds.html
> > >
> > >
> > > I saw that show and have just completed a trebuchet based on one of the
> > > designs in it. Here are some images of it:
> > >
> > > Winching down the arm:
> > > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=403138
> > >
> > > Setting the release trigger:
> > > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=403139
> > >
> > > Loading the sling:
> > > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=403141
> > >
> > > Ready to fire:
> > > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=403143
> > >
> > >
> > > The folder after moderation:
> > > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=43644
> > >
> > >
> > > A weighted brick is used as the counter-weight, but I think I may rebuild
> > > the trebuchet a little larger and use 2 weighted bricks side-by-side.
> > >
> > > I like my simple release trigger mechanism and how I kept the beams of
> > > the A-frames inline rather than overlapped.
> > >
> > > Brian
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Message is in Reply To:
 | | Re: Trebuchets
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| As I mentioned I wanted to do in my other post, I've changed to a braided sling pocket and it made a big difference, both in ease of setup and distance. It now throws about 6 feet. Time to see what sling length and end hook gives the best (...) (23 years ago, 18-May-03, to lugnet.castle)
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