The Trebuchet By: BETSY CONGDON
Origins China -5th to 3rd century BC -Traction Trebuchet Arab influence -Counterweight -Influence in expansion Pictures: L to R Cairo, Experimental, Experimental
In Europe Reached in approximately 500AD Origin of the name Engineer Origin of the word Trebuchet Scale Well Picture: T to B Grey, Castellan
An Adaptation of the Past Catapult Comparison Traction-Hybrid- Counterweight The Mechanical Improvements Sling Length Picture: Grey
History of Reconstruction Napoleon III No surviving Trebuchets Modern knowledge based on texts and reconstructions Arab resources Pictures: L to R Arabesque, Experimental
Trebuchets Pictures: L to R Castlewales, RP Gamer, NFO, GW Warmaster
Power! Human v. Gravity Distances The Counterweight Pictures: Grey, Grey
How Did it Work? Objects Thrown Long turn over time Balances: -Counterweight -Projectile Weight -Throwing arm length -Angle of release Picture: David
Stages of Motion Loading Setting Counterweight Release Trigger Release of Object Rocking Motion Reset Picture: Trebuchet
Parts of a Trebuchet “If a sling is made very much too short-roughly half of its proper length-the rock will go straight up. If this should occur the correct response is to run away very fast.”- Tom Bullock Beam Frame Sling Counterweight Trigger
Cannon Kills Trebuchet Hernan Cortes Picture: Colonial
Other Resources My Personal Page Make your own Trebuchet Trebuchet T-Shirts Scientific American Article And More Links!
Sources “Trebuchet.” A wikimedia project. Jan 22, 2005www.wikipedia.orghttp://en.wikipedia.org/wiki/Trebuchet “Experimental Rconstruction of a Medieval Trebuchet.” The Medieval Centre Siege Engines. Dr. Peter Vemming Hansen “Medieval Siege.” Nova Online. PBS. January “Trebuchet:Some Experiments with Trebuchets.” Tom Bullock. January 22, The Grey Company Trebuchet Page. The Grey Company. April “The Trebuchet.” Scientific American Magazine. Scientific American Online Archives. July
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