The StampenatorThe Stampenator By: By:

Jonathan FrenchJonathan French

Josh GobenJosh Goben

Britt ElmoreBritt Elmore

Reuben PinkardReuben Pinkard

Device DesignDevice Design

Our device’s purpose is to Our device’s purpose is to stamp a piece of paper. It stamp a piece of paper. It accomplishes this in a 4 step accomplishes this in a 4 step process.process.

1. Car is released down a ramp.1. Car is released down a ramp.

2. The car’s trajectory sets off a 2. The car’s trajectory sets off a trail of dominoes.trail of dominoes.

3. The last domino sets off the 3. The last domino sets off the trigger on a mousetrap.trigger on a mousetrap.

4. The stamp is attached to an 4. The stamp is attached to an arm on the mousetrap, which arm on the mousetrap, which stamps the paper.stamps the paper.

Energy ConversionsEnergy Conversions

1. There is 1. There is Potential EnergyPotential Energy in the car, due to gravity. in the car, due to gravity.

2. The 2. The Potential EnergyPotential Energy turns into turns into Kinetic EnergyKinetic Energy as it moves as it moves down the ramp.down the ramp.

3. The 3. The Kinetic energyKinetic energy becomes becomes Gravitational Potential EnergyGravitational Potential Energy and lost-energy in the and lost-energy in the CollisionCollision..

4. The 4. The Kinetic EnergyKinetic Energy, , through through Conservation of MomentumConservation of Momentum, , knocks over the series of dominoes and lands on the knocks over the series of dominoes and lands on the mousetrap trigger.mousetrap trigger.

5. The stored 5. The stored Potential EnergyPotential Energy in the spring is released and in the spring is released and converted to converted to Kinetic EnergyKinetic Energy which moves the arm and which moves the arm and stamps the paper.stamps the paper.

Construction IssuesConstruction Issues

• We had problems with attaching the dominoes We had problems with attaching the dominoes to the metal hinges.to the metal hinges.

• We also had design issues concerning the We also had design issues concerning the spatial requirements.spatial requirements.

• Making sure the car consistently hit the target Making sure the car consistently hit the target area.area.

ConclusionConclusion

• Not a efficient method of stamping paper. Not a efficient method of stamping paper.

• We had a great learning experience.We had a great learning experience.

• Amazing how much can be contained in such a Amazing how much can be contained in such a small space.small space.