Trebuchet: Projectile Arm Length to Counterweight Arm Length Ratio

In summary, the conversation discusses the creation of a mid size trebuchet with specific measurements and the best arm length ratio between the projectile arm and the counterweight arm. The conversation also mentions two TB calculators that may be useful in determining this ratio.
  • #1
hroybal
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I am working on creating a mid size trebuchet with a projectile arm length of 3 feet. The counterweight is about 3500 grams, with the projectile being 60 grams.

I know that the ratio of the projectile arm length to the counterweight arm length changes depending on several factors, most importantly the ratio of the weight of the projectile to the weight of the counterweight.

Using the specs I have given, what would be the best arm length ratio between the projectile arm and the counterweight arm? Or what would be the process for calculating this?
 
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  • #2
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1. What is a trebuchet?

A trebuchet is a type of medieval siege weapon that uses a counterweight mechanism to launch projectiles at enemy targets.

2. How does a trebuchet work?

A trebuchet works by using the force of gravity to propel a projectile. The projectile is placed in a sling attached to one end of a long arm. The other end of the arm is attached to a counterweight. When the counterweight is released, it falls, pulling the arm and the projectile with it. The projectile is then released from the sling, launching it towards the target.

3. What is the projectile arm length to counterweight arm length ratio?

The projectile arm length to counterweight arm length ratio is the ratio between the length of the arm that holds the projectile and the length of the arm that holds the counterweight. This ratio is important because it determines the distance and force with which the projectile is launched.

4. Why is the projectile arm length to counterweight arm length ratio important?

The projectile arm length to counterweight arm length ratio is important because it affects the range and accuracy of the trebuchet. A longer projectile arm will result in a greater range, while a shorter projectile arm will result in a more accurate shot. Finding the right ratio is crucial for a successful launch.

5. How do you calculate the projectile arm length to counterweight arm length ratio?

The projectile arm length to counterweight arm length ratio can be calculated by dividing the length of the counterweight arm by the length of the projectile arm. For example, if the counterweight arm is 10 meters long and the projectile arm is 5 meters long, the ratio would be 10/5 = 2. This means that the counterweight arm is twice as long as the projectile arm.

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