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  • The Bounty Hunter commented on scull_mech's instructable Floating Arm Trebuchet1 year ago
    Floating Arm Trebuchet

    Hey Chans2901, Thanks for your questions, I love trebuchets! We did indeed build a small scale floating arm trebuchet very close to the specifications your physics assignment is calling for...and it has demostrated ability to throw small "bouncy balls" from a vending machine 270 feet, and big bouncy balls (slightly bigger than a golf ball) over 180 feet. Im going to try to attach an image of this fine litle machine if i can...im not an expert at this. The picture shows just 4 pounds of counterwieght, we added up to 10 pounds for maximum throws. It is scaled using the data of skullmech;s trebuchet, but taller as we had no hieght restriction. it just over 24 inches tall I can provide more detailed dimensions, advice, and tips if you wish, just let me know.

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  • The Bounty Hunter commented on scull_mech's instructable Floating Arm Trebuchet1 year ago
    Floating Arm Trebuchet

    Really cool project Brother, thanks for putting together a great instructable. We are building one now, it has been lots of fun for the family. Our starter model was 1/6 scale, it threw a bouncy ball 270 feet with 10 pounds of counterweight. We built a 1/3 scale model that throws a 1 pound projectiles 340 feet + with 70 pounds of counterweight. That model was equipped with a folding gantry and pulley system to raise the counterweight, with that it could be fired every 2 minutes. We added stabilizer arms as well, to keep it from tipping over. Throwing stuff with gravity power is fun...

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