Bro. Nigel Pratt firstname.lastname@example.org Dennis Papesh email@example.com. Mousetrap Vehicle. Teams will design, build, and test a vehicle which uses one or two single-spring mousetraps as their sole source of energy for propulsion. Goal.
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Teams will design, build, and test a vehicle which uses one or two single-spring mousetraps as their sole source of energy for propulsion.Goal
Only one or two unmodified single-spring mousetraps (not rat traps) may be used as energy sources.
All parts of the vehicle must move as a whole, i.e. no anchors, tie downs, launching ramps, or other separate pieces are allowed.
The vehicle must have a fixed, pointed object on the perimeter of the chassis of the vehicle that extends to within 1.0 cm of the track’s surface.
The vehicle’s wheel base is the distance measured parallel to the direction of travel between the center of rotation of the front and rear axles, and it must be between 30.0 and 34.0 cm.
The competition will be on a straight and level lane with a relatively smooth, hard, low-friction surface.
The same tape will be used to define the 1.50 meter lane side boundaries from the starting line to the 8 meter line.
Additional space must be provided in all 4 directions of the lane to allow for the vehicle over-running the track.
Every 0.5 meters of additional space beyond the 8 meter line will be marked with tape.
The students can chose to start their vehicle anywhere along the starting line with the designated fixed point directly above the starting line.
The vehicle must be able to remain at the starting position without being touched until the trigger is released using a pencil, pen, dowel, or similar device.
The students may not push the vehicle nor will they be allowed to constrain the vehicle during release.
Reversing and stopping mechanisms must work automatically. The vehicle may not be tethered or remotely controlled in any way to guide it, reverse it, or make it stop.
The Event Time will begin when the students are allowed to place their vehicle on the starting line.
If the second run has started before the 10 minute period has elapsed, it will be allowed to run to completion.
Measurements made by the Event Supervisor are the only ones that will be used as the official distances.
The Run Score shall be the sum of the Distance Score + Lane Bonus + Over-run penalty + Time Score.
The Distance Score shall be the distance measured in centimeters (to 0.1 cm) from the center of the starting tape to the tip of the fixed point.Scoring – distance score
There shall be a -20 point Lane Bonus awarded to any vehicle whose fixed point remains inside the tape defining the 1.50 meter lane between the starting line and the 8 meter line while traveling both directions.Scoring – lane bonus
If the fixed point of the vehicle crosses the 8 meter line, an Over-run penalty shall be assessed as follows:
The Time Score shall be the time of each run in seconds, measured in 0.01* seconds.
At Regional competitions, the Time Score shall be added as 1 point for every second.
Teams will be ranked in four tiers using the single run that will give them the best overall place where:
At State competition, the run took 15.8 seconds. The fixed point crossed the 8.5 meter line, but not the 9 meter line, and ended up with its fixed point 18.6 cm from the center of the starting line. It stayed within the lane the entire run. No violations.
Time Score 31.6 points (15.8 sec = 15/8 sec x 2 pt/1 sec)
Over-run Penalty 100.0 points (50 passed 7.5 m + 50 passed 8.0 m)
Distance Score 18.6 points
Lane Bonus -20.0 points
Run Score 130.2 points (31.6 + 100 + 18.6 – 20)Scoring example