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1100 foot Golfball Trebuchet
ldvance01
255 views
Dropping large counterweights before engaging the throwing arm enables ranges above 1100 feet. Velocities up to 221 mph measured on golf ball.
Update 04Feb2012: Distan...
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Drop-Murlin Golfball Trebuchet
ldvance01
220 views
A modified MURLIN designed for extremely high counterweight mass ratios
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Tucson Pumpkin Toss 2011
ldvance01
574 views
Compilation of competitors and shots from the first Tucson Pumpkin Toss
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120 lb. Counterweight Baseball MURLIN
ldvance01
2,973 views
All the bugs are now pretty much worked out. Adding a release at the top of the frame eliminated the cord bounce which plagued earlier attempts.
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MURLIN Catastrophic Failure
ldvance01
2,222 views
1000 foot attempt results in a catastrophic misfire
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Development of a Dynamically Tuned MURLIN Trebuchet
ldvance01
4,018 views
Development of a MURLIN trebuchet which is tuned to work with a bending structure.
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700+ foot Baseball Trebuchet
ldvance01
11,760 views
"Fling Thing" , an 8 foot MURLIN trebuchet, makes the transition from softballs to baseballs. A redesigned release pin and inner cams enables a 70 lb. counterweight which ...
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Softball MURLIN: First Shots
ldvance01
879 views
Initial shots of an 8 foot tall MURLIN, designed to hurl softballs. Built by the Tucson High MESA club, release velocities measured 101 mph with a 50 lb counterweight.
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Color Perception Demonstration
ldvance01
4,283 views
An excellent classroom demonstration. A 3 bladed fan painted with flourescent red, green and blue is illuminated by an ultraviolet LED at different strobe frequencies to p...
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Multiple Rotation Trebuchet Demo
ldvance01
4,543 views
This demonstrates a quick and dirty Multitple Rotation Trebuchet (MRT) with a technique for release which seems to work and has reasonable efficiency given the lack of bear...
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