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See a Trebuchet Animation ... Get a Trebuchet Kit ... Learn more about how a trebuchet works.
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www.redstoneprojects.com/trebuchetstore/trebuchet_histo...
www.redstoneprojects.com/trebuchetstore/trebuchet_history.html
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How you design your trebuchet will decide the fate of the castle wall—and it may also decide your fate as well. With some choices, your missile might land too short or fly too far. With others, your missile may hit the castle wall, but not ...
http://www.pbs.org/wgbh/nova/lostempires/trebuchet/treb...
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Firing a Trebuchet ... A trebuchet is a machine used during medieval times to propel heavy objects vast distances. They were primarily used to bring down castle walls during a siege. The trebuchet is powered by gravity and centrifugal forces from two axes. ... How an IRA Account Works...
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www.ehow.com/how-does_4566869_a-trebuchet-work.html
www.ehow.com/how-does_4566869_a-trebuchet-work.html
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Summary: A trebuchet is an ancient weapon that was used in battles to hurl large objects, often to break down walls. Learn how a trebuchet works with tips from a math and science teacher in this free video on weapons.
http://www.ehow.com/video_4977213_a-trebuchet-work.html
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The trebuchet works like a see-saw – the heavy box at the right end is being lifted by the two men (you can see their red trousers) using the treadwheels. The shot is thrown by the long arm on the left.
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www2.warwick.ac.uk/fac/soc/wie/eubuildit/fortifications...
www2.warwick.ac.uk/fac/soc/wie/eubuildit/fortifications/warwick/change/medieval/trebuchet/works/
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As you could see from the pictures on previous pages, the trebuchet is VERY large; ... The same number of horses which were needed to pull the wood to make one trebuchet could move a lot of cannon; look at Kenilworth Castle to see the damage they could do. How could fortresses be built ... Was ersetzte das Trebuchet?
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www2.warwick.ac.uk/fac/soc/wie/eubuildit/fortifications...
www2.warwick.ac.uk/fac/soc/wie/eubuildit/fortifications/warwick/change/medieval/trebuchet/works/treadwheel/shot/ready/setting/trigger/firing/accuracy/cannon/
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The way a lever works is that it has a short side and a long side. If you are lifting something using a lever, you push down on the long side a little, and the heavy thing goes up. Also, the long side moves much farther than the short side. ... A trebuchet is just a lever, but does this in reverse: the short side has a...
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www.newton.dep.anl.gov/askasci/phy00/phy00633.htm
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3. A trebuchet is a weighted beam that swings a sling carrying the projectile (see this page for pictures). ... A trebuchet tends to be easier to build because it consists simply of a pivoting beam and a counterweight that rotates the beam through an arc.
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www.howstuffworks.com/question127.htm
www.howstuffworks.com/question127.htm
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This is a page of trebuchets - traction trebuchets and weight-powered trebuchets: big ones, model ones, modern ones & historic ones -plus lots of links to other people's machines. ... Some very simple counter-weight trebuchet theory.
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members.iinet.net.au/~rmine/howtreb.html
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