To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.castleOpen lugnet.castle in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Castle / 16892
16891  |  16893
Subject: 
Re: Trebuchets
Newsgroups: 
lugnet.castle
Date: 
Sat, 17 May 2003 00:36:55 GMT
Highlighted: 
(details)
Viewed: 
917 times
  
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



Message has 1 Reply:
  Re: Trebuchets
 
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! :) (...) (22 years ago, 17-May-03, to lugnet.castle)

Message is in Reply To:
  Re: Trebuchets
 
Hi Johannes, I like your catapult. Trebuchet is a french word. The trebuchet has a large weight at one end. The force of gravity brings the weight down, moves the arm, and releases the projectile. In the US we have a public television program called (...) (22 years ago, 13-May-03, to lugnet.castle)

36 Messages in This Thread:


















Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact

This Message and its Replies on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

Custom Search

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR