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Floating arm trebuchet – Wikipedia
The arm is on a moving axle and the torque acts on the entire structure, preventing stalling. Retrieved November 13, Kids Learn by Making Stuff. The dropping of the counterweight forces the arm to swing to one side of the glide track and quickly jerk in the opposite direction to launch a projectile.
A regular trebuchet is a better realistic war machine. To reduce friction of the sling on the launch track, the track should have a smooth surface. The release mechanism is a hook with a specific bend in its tip to determine when centripetal force will release one end of the sling, freeing the projectile to continue on its path.
The Floating Arm Trebuchet is a counterweight siege weapon which is a modern variation  of the medieval trebuchet. Reducing the drop distance of the wheel axle to the glide track would reduce damage, but also reduce the range of the trebuchet.
A floating arm trebuchet has three points of contact where friction can interfere with efficiency. This linear drop of the counterweight is more efficient in transferring potential energy to kinetic energy than the pendulum counterweight motion of a traditional trebuchet. However, a floating arm trebuchet is more efficient when built to a size of between one meter and five meters,  making it suitable for hobbyists and model builders.
Upon releasing the trigger, the counterweight is allowed to drop through the channel.
In contrast, a floating arm trebuchet features an axle on the arm freely moving along a horizontal glide track. Views Read Edit View history. trebychet
Their defining feature is free movement trebucht an axle on the throwing arm,  and a linear drop channel for the counterweight. Technology on Your Time. Five Machines That Changed the World. The sling or pouch, which contributes to acceleration of the projectile and then releases it at the desired launch angle, is often made using polyester rope or other durable thin material. Perdue 15 November While the floating arm design can have a lighter frame than a traditional trebuchet because the overall forces produces are less,  the impact of the adm on the glide track will cause eventual damage and may need maintenance.
While rloating is happening, the wheel is moved backwards by the torque acting on the arm from the counterweight. Large scale designs require special trigger mechanisms that can hold the weight of the throwing arm.
Floating arm trebuchet
The floating arm trebuchet loses the range advantage over regular trebuchet at very large scales, because the difficulty in construction of the drop channel and axle increases with size. In larger designs, the trigger system is applied at the top of the drop channel.
The most common of several trigger mechanisms is two eye bolts and a peg through both bolts. This page was last edited on 5 Aprilat Retrieved from ” https: Retrieved November 15, To reset the device, the counterweight must be raised back to the original height and locked in with the trigger mechanism.
The floating arm trebuchet uses a counterweight held on top of a tall drop channel to transfer potential energy into kinetic energy. The design and construction of such machines is pkans popular project assignment in post-secondary engineering classes.