With the blocks preventing the treb from surging forward initially, the rear of the carriage lifted off of the ground and the distance of the throw was perhaps half of what it should have been. The glide track may have raised or curved sides to guide the swing harness rig along the correct path. By placing the fulcrum much closer to the counterweight end, a higher linear velocity can be achieved by the projectile. In the Middle Ages, soldiers had to make sure their trebuchets had a long enough range to stay outside the range of defending archers on castle walls. The hinged counterweight improves the efficiency with which the trebuchet converted the gravitational energy of the falling counterweight to projectile motion.
Second is in the timing of the experiment, where human judgment was used in guessing the start and finish time of the launch. E-mail Address if you would like a reply: The next morning I bought a 2x4 and reworked the counterweight end of the throwing arm, leaving 6" of wood below the dumb-bell to support the weight, along with a bolt through a wooden block. Show Comments 0 and Tags. Before each of our three launches, we were screwing together the cracked pieces that continued to crack and add more pieces to increase the strength and support. Modern full-size recreations have been used to throw pound upright pianos, and even a Volkswagen Beetle automobile.
Hinged Counterweight (HCW) - The Hurl - Wiki
Sizing of the trebuchet is going to come down to the distance you need to launch the projectile. The generally accepted ratio is E-mail Address if you would like a reply: For SCA combat, this allows a rapid rate of fire. When you start to grasp the idea of the ratios in relation to the moment arm of the trebuchet, this might become a little easier to understand. It's only fair to share
With that, he stepped on the trigger arm. The mechanics and action of a trebuchet appear to be simple; but they are actually quite complex and involved. Your posterior is the counter weight. Sandy has been taken on several trips around the country with pictures to prove it. A trebuchet works by using the energy of a falling and hinged counterweight to launch a projectile the payload , using mechanical advantage to achieve a high launch speed. This design appeared in the late twentieth century. Kids stood down range in the wet splotches in the street, daring the next balloon to land on them.