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Mousetrap Car Project

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For this project I was tasked with designing a mousetrap powered vehicle for either speed or distance. I was given the challenge of designing for speed. Due to this I needed to have a light weight mousetrap car with a short lever arm. However the lever arm could not be too short. If it were the mousetrap car would not move as a result of lack of friction. This mistake was made on the first prototype of the vehicle. The first time I tasted in the hallway the lever arm did not have enough leverage to turn the drive wheels. This of course meant that the mousetrap car did not move. After testing I realized that in addition to not having the right sized lever arm my drive wheels did not have enough traction. I discovered this after making my lever arm …show more content…
If I was to design and build another mousetrap car I would extend the chassis and the lever arm. This would allow my mousetrap car to travel a longer distance since in addition to having to go fast the mousetrap car had to go a distance of five meters. In my design, I was only able to reach the five meter mark in one of the final versions of the car. I also would have worked on a way to keep the drive path of the car straight. This could have been accomplished by more accurately placing the axle mounts and using a slightly stronger wood to prevent them from shifting over time. This problem was encountered throughout the project. A major focus was finding a way to stop the wood from being bored out during testing. I ended up adding a second piece of wood for the mounts to screw into. This drastically reduced the movement of the axle. Since the speed was recorded by the time it took you to travel five meters from the starting line moving in a straight line improved your speed over a curved line. When discussing the performance of my mousetrap car it was not what I had hoped it would be. During the design process all aspects of the mousetrap car seemed sound, but when put into practice many parts did not perform as

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