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How far will your trebuchet throw a projectile? Estimate distance here.

November 11, 2023

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Trebuchet Distance Estimator

Trebuchet Distance Estimator

Choose Units (Imperial is in inches, Metric is in meters:

Short Arm Length:

Long Arm Length:

Sling Length:

Weight Length:

Height of Pivot:

Weight of Arm:

Weight of Counterweight:

Weight of Projectile:

Projectile Diameter:

Trebuchet Design Trebuchet Plans Trebuchet Problems

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Trebuchet Problems. The Sling. The Pouch.

When it comes time to build a Trebuchet you may want to try to design the Trebuchet parts on your own. I think you should have some creativity and personalize your Trebuchet design. But keep in mind that the basics of a Trebuchet is what makes them so fun to build. They are simple to plan and build, and if you follow most of the designs that others have created you will have a successful launch. When I started building the Trebuchet Sling I thought I had seen enough pictures and had a good enough idea in my mind of how they work to really do it right. The first few shots just stayed trapped in the sling and didn't even release! Then I had a few roll out on the ground as the sling whipped around the Trebuchet. That was embarrassing. I guess one tip I would have is build and fire your Trebuchet the first few times by yourself to make sure it works! Make sure your sling is the right length. It should be just a bit shorter than the long side of the Trebuchet Arm. Also, this is as

Buzz gets launched by a Trebuchet!

To Infinity, and Beyond! If you want free plans for your own Trebuchet, just enter your email and I'll email you the plans.

Trebuchet plans

So here are the questions I have so far. 1. How long is the arm supposed to be? 2. How long is base supposed to be? 3. How much should the counter weight weigh? 4. How long will the sling need to be? 5. How much will the projectile need weigh? Of course these are all based on proportions. If the arm is 10 inches it will have a different base than if the arm is 10 feet. As you adjust those proportions how does it affect release, distance and velocity? Let's figure it out and build a better Trebuchet!

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