There are a number of ways you can use rubber bands in a catapult. One extremely simple way is to put it on your finger or a stick and put an object at the other end and pull, sling-shot style. However, while this is technically a catapult, this method is not true to the original catapults.
Two ancient types of catapults, the Onager and the Ballista, used twisted ropes for torsion. See catapults.info for more information on these two kinds of catapults. Of course, because it is stretchy, a rubber band can be used in a similar way, and create even more torsion potential than a rope.
In a comment on plans for a simple catapult (see the previous post for the link and a picture), someone made this very interesting observation:
Here's the source for that.
To make this practical, using rubber bands can add tension, or torsion (twisted tension) to your catapult. If you're trying to learn how to make a catapult without plans, hopefully this idea will help get you started.
Click Here to see a catalog of catapult kits.
Two ancient types of catapults, the Onager and the Ballista, used twisted ropes for torsion. See catapults.info for more information on these two kinds of catapults. Of course, because it is stretchy, a rubber band can be used in a similar way, and create even more torsion potential than a rope.
In a comment on plans for a simple catapult (see the previous post for the link and a picture), someone made this very interesting observation:
Did you know that if you twist The rubber band it will gather you potential energy witch people use to do with their catapults.
Here's the source for that.
To make this practical, using rubber bands can add tension, or torsion (twisted tension) to your catapult. If you're trying to learn how to make a catapult without plans, hopefully this idea will help get you started.
Click Here to see a catalog of catapult kits.
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