
Mousetrap boats are powered by a mousetrap motor. The mousetrap is placed on a stir stick so that the pull arm almost touches the back axle when the trap is pulled back. The length of the lever arm can be changed to adjust the speed and distance of travel. The boat is then propelled by a paddle wheel.
| Characteristics | Values |
|---|---|
| Power source | Mousetrap motor |
| Propulsion system | Lever and paddle wheel |
| Speed and distance adjustment | Length of lever arm or size of paddles |
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What You'll Learn

The mousetrap acts as the motor
Mousetrap boats are powered by a mousetrap, which acts as the motor. The mousetrap is a simple machine that uses a lever to create propulsion. The lever is attached to a paddle wheel, which spins when the mousetrap is triggered, propelling the boat forward. The length of the lever arm and the size of the paddles can be adjusted to change the speed and distance of the boat.
To set up the mousetrap motor, you need to place the mousetrap on a stir stick so that the pull arm almost touches the back axle when the mousetrap is pulled back. It's important to offset the mousetrap on the stir stick to prevent the pull arm from interfering with the paddle wheel. You can then secure the mousetrap in place with hot glue and tape to ensure it doesn't slide or get ripped off.
The fishing line is also an important component in the mousetrap boat's propulsion system. Measure a length of fishing line that is about 5 inches longer than the distance from the back axle to the tip of the pencil attached to the mousetrap. Tie the fishing line to the axle at this point with a simple knot.
The mousetrap boat's hull design also contributes to its minimal resistance when gliding across the water. The Wave Runner, for example, is a mousetrap-powered boat that can be built for both speed and distance due to its hull design and adjustable lever and paddle system.
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The lever arm and paddle wheel are used for propulsion
Mousetrap boats are powered by a mousetrap motor, which is placed on a stir stick so that the pull arm almost touches the back axle when the trap is pulled back. The length of the lever arm and the size of the paddle wheel can be changed to adjust the speed and distance of travel. The lever arm and paddle wheel are used for propulsion. The mousetrap boat glides across the surface of the water with minimal resistance.
To make a mousetrap boat, you will need to measure out a length of fishing line that is about 5" longer than the distance from the back axle to the tip of the pencil attached to the mousetrap. Pull the mousetrap back and look where the pull pencil lines up with the back axle. Tie the fishing line with a simple knot onto the axle at this point. Place the mousetrap on the stir stick so that the pull arm almost touches the back axle when the mousetrap is pulled back. Offset the mousetrap on the stir stick to ensure that the pull arm does not interfere with the paddle wheel. Place a little bit of hot glue under the mousetrap base to prevent it from sliding and then use tape to hold it in place.
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The fulcrum, or pivot point, is at one end
Mousetrap boats are powered by a mousetrap motor. The fulcrum, or pivot point, is at one end of the lever arm. The length of the lever arm can be changed to adjust the speed and/or distance of travel. The mousetrap is placed on a stir stick so that the pull arm almost touches the back axle when the trap is pulled back. The pull arm should not interfere with the paddle wheel.
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Fishing line is used to tie the axle
Mousetrap boats are powered by a mousetrap motor and a paddle wheel. The mousetrap is placed on a stir stick so that the pull arm almost touches the back axle when pulled back. The mousetrap is then glued and taped in place to prevent it from sliding.
The length of the lever arm or the size of the paddles can be changed to adjust the speed and/or distance of travel. The Wave Runner is an example of a mousetrap boat that can be built for both speed and distance.
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The hull design allows the boat to glide across the water with minimal resistance
The Wave Runner is a mousetrap-powered boat that glides across the surface of the water with minimal resistance. This is due to its hull design. The Wave Runner can be built for both speed and distance. The length of the lever arm or the size of the paddles can be adjusted to change the speed and/or distance of travel.
To build a mousetrap boat, you will need to tape a foam block to the front of the boat. Place the mousetrap (motor) on a stir stick so the pull arm is almost touching the back axle when the mousetrap is pulled back. Offset the mousetrap on the stir stick to ensure that the pull arm does not interfere with the paddle wheel. Place a little hot glue under the mousetrap base to prevent it from sliding and then use tape to hold it in place. Measure out a length of fishing line that is about 5" longer than the distance from the back axle to the tip of the pencil attached to the mousetrap. Pull the mousetrap back and look where the pull pencil lines up with the back axle. Tie the fishing line with a simple knot onto the axle at this point.
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Frequently asked questions
Mousetrap boats are powered by a mousetrap motor, which uses a lever to propel the boat forward.
A lever is a simple machine with a pivot point called a fulcrum. The lever makes doing work easier, as it allows you to lift something with less effort.
You can attach the mousetrap to the boat using hot glue and tape.





































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