This week we started working on engines in class. We took apart a John deer engine that had a hole in the side of it. We took it apart looking for the failure and what we found was not what we were expecting. We all made guesses and most of them were for a connecting rod. In the end we found out that it was the balancing shaft that failed and we used failure analysis to find out that one of the balancers came loose. That caused extra wear on the shaft and caused the failure.
Hours:
Week: 50
Total: 200
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