# Catapults and Trebuchets

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### Viking Catapult

Intructables.com Viking Catapult

### Craft Stick Catapult

Rubber band catapult.

### Triad High School Catpults

Catapult Designs

### Grey Company Trebuchet Page

Here you'll find a lot of pictures and a few words about these amazing pieces of "leverage artillery"

### Sample Photo 5

Brief Description

### Sample Photo 6

Brief Description

### PopStick Catapult

Instructables.com Desktop Catapult

### Wilson Central High School Catapult Pages

winning egg flinging catapults

### Teeny Tiny Catapult Tutorial

Popsicle Stick Catapult Design Instructions

### Becker's Trebuchet Instructions

Dan Becker's G.I. Joe / Barbie scale trebuchet instructions.

### Homestead Catapults

Brief Description

### Sample Photo 12

### Sample Photo 13

Brief Description

### Free

**Design Questions:**Hinged vs. Fixed Trebuchet Counterweight Design R

Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance R

Determine which launch angle results in the greatest distance for a projectile. R

The Distance a Trebuchet Catapult Can Throw Projectiles of Different Masses R

What Is the Optimal Release Angle for Shooting a Free Throw? R

Discover which size and material of spherical projectile delivers the optimal (deepest) penetration into a block of foam, when fired from a slingshot R

Distances a Catapult Can Propel Spheres of Differing Mass (Weight), Size and Density R R

How Does the Length of the Arm or Counterweight Mass of a Trebuchet Affect the Distance an Object Can Be Launched? R R

The Effect of Wheels on Catapult Efficiency R

Maximizing the Trajectory of a Trebuchet R

Evaluate how different sling lengths and counterweight masses affect the distance a trebuchet throws a ball. R R

Is the distance of a certain mass when launched by a catapult affected by the potential energy and angle of the catapult? S