Protractor for FLL Gyroturn
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I modified this for students to use when plotting navigation of their Lego robots in First Lego League competitions.
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
Place the flat base of the protractor against the front of the robot and aim the pointer where you want to go. Read the required heading in the pointer window and enter as input in the Myblock. (use a ruler and set your wheel circumference to plot the distance you want to travel).
Remember the robot will actually pivot approximately midpoint between the drive wheels so some fine-tuning will probably be required.
Print in the filament of your choice (I used PLA+ and HTPLA). No supports required. The pointer and the protractor base are the same thickness so you can add text of your choice to the pointer and print them on the same plate. I printed the bolt and nut on a separate plate for maximum layer adhesion in the threads.
Freecad file of the pointer and protractor are included.