Catapults and Trebuchets

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

http://www.catapultkits.com/

Sample Photo 13

Brief Description

Free

  1. NSTA Catapult Activity
  2.
    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