Jonathan Spencer Capstone
For my Capstone I worked with another student, Khari Evans in order to make a bionic arm at first. We quickly realized how impractical that was and rethought our Capstone. That was when we thought about designing something that didn't necessarily have to be attached directly to an arm but could be mounted to someone's back or to the side of a wheelchair. We quickly realized that we could accomplish this with a combination of simple machines. The top part is a lever, then there are two different systems of pulleys attached to it. There is also a set of springs attached near the bottom which act as a form of shock absorption.
Throughout this Capstone I have learned a lot about a series of different simple machines and the roles they play alone and when together with a combination of other things they can be used to create more complex inventions. The arm can turn a 100 pound load into 7 pounds of effort on the user. This is simply a proof a concept that expresses how me an Khari Evans were able to work together and how a series of simple machines each played a role in the system. The final product was however a little bit of a disappointment because the base that the Mechanical Advantage Arm is attached to isn't the best of metals and bent easily after running a couple of tests to see what the max the arm was able to pick up.
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