EEPL Project Descriptor (Fall 2015)
The objective of this event is to evaluate student knowledge of the conservation of energy, mechanical energy transformations, work, and two-dimensional kinematics, as well as reinforce the principles of Newtonian mechanics. Each team will construct a custom designed and constructed device that will use ONLY elastic energy to launch a projectile a specified distance given a specified energy input.
- Each device must be powered solely by a ELASTIC ENERGY. Each competitor must demonstrate the input energy of the device PRIOR to the launch. Each device will be re-checked on the day of the competition to verify that this specification is used.
- Each team will be provided with a standard issue 3 foot length of black latex rubber elastic tubing to be used as the ONLY source of elastic energy.
- The device trigger will be allowed to use a maximum energy of .05 J. (In other words, not very much!)
- The initial horizontal position of the projectile must not exceed the starting line marked on the launching area. (No head starts!)
- The projectile will be supplied by the competition judges, and will be a standard mass and volume golf ball.
- If any of the above specifications are not adhered to, the competitors will be disqualified, resulting in 0 points for the competition launch.
- ONE day prior to the competition, the students will be given the distance to the target.
- Each competitor will be given two shots, the shot with the maximum horizontal distance will be the measured metric.
- Each team will be given a single, 3 foot piece of elastic tubing.
- Device components may be made of wood, plastic or metal. Other materials may be considered if suitable to the team design – check with Mr. Holt.
- All trigger components will be made “in house”.
- 3D printed parts are allowed.
- Recyclable metal fasteners are expected to be used to connect components. NO nails are to be used.
- Nylon or fabric string may be used but are not encouraged.
- Proximity to Target:
Each team’s device must be designed to launch the standard issue projectile a specified distance. The closest team to hit the target wins the competition.