FTC 7314 Engineering Notebook 2016-03-05

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Competition Season Meeting

Meeting Date Meeting Time Location Team Members in Attendance:
3 March 16 TCHS Brandywine Josh, Amal, Bennett, Matt


Tasks Reflections
New zipline climber paddles
  • Josh worked with Matt and Bennet in order to design a way to possibly make stronger paddles to hit the zipline climber levers. Through reviewing pictures from the competition they came to the consensus that they should add a thin plastic piece to the end which would flex over the levers and hit the top. This new plastic piece would be thin enough to where it would flex enough to not break the servo, yet has the strength to hit the lever. The flexing makes the plastic hit the top part of the lever instead of the bottom, because the lever is... a lever, the farther you hit it from the fulcrum the less force required to effect it. This means that the plastic bending and aiming towards the top would apply less force overall to the servo, meaning that it would no longer break. On top of this they plan to add support to the base of the servo itself. This will accomplished by having a C channel attached to the servo horn, as well as the back of the servo mount, with a bering. This will mean that any pressure applied to the horn will instead be applied to the C channel, which is stronger and will last much longer than the horn by itself. They are using 1/32 polycarbonate in order to make the arms. They spent this meeting planning how to mount the C channel to the servo mount.
Right turn fixing
  • Amal worked with Mr. Abersold in order to fix some of the gyro issues and make a way to possibly recover the program if the robot over rotates during the course of the program. This was an issue at states as the robot would often over turn at the beginning of its autonomous program and would simply spin around, creating the "Happy dance" which is said to "strike fear into the hearts of our gracious enemies" They did this by testing the sensitivity of the gyro.

Action and idea Journal



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