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Team 846: "Moonkey"
Lynbrook Robotics
Team 846 2009 Robot: "Moonkey" ![]() Video Highlights from the Silicon Valley Regional: http://www.youtube.com/watch?v=WJiimDm47Kw Drivetrain -4 Wheel tank drive with twist joystick -1 CIM on each side with AndyMark 12.75:1 gearbox Ball Intake and Belt System -Uses 1 CIM, 2 RS-545 motors & 1 FP Motor -ABS rollers with PVC guides -Wide mouth pickup -3/16" diameter urethane belts (3% stretch; 3 lb tension) -Air tubing kickers to keep balls moving Shooter -Backspin shooter launches 2 balls at a time -Range: 0 - 2.5 feet -Roughtop tread on ABS tubing -Powered by a CIM motor with 3:1 Banebots Gearbox -Closed Loop Speed control Frame -Angled rear corners allow 63 degree turns with trailer -Wide layout for >40% turning torque [34" vs 24"] -Shortened 13-5/8" wheelbase for 24% lower resistance turning -Low open top hopper for human loading, stores over 15 balls -4 Handles for safe, easy lifting Software & Sensors -Optical Wheel Encoders -Custom integrating current sensors on drive motors -Dual accelerometers on left and right to monitor slip conditions -Gyro for turning stability -LCD display for on-robot diagnostics with custom Arduino (I2C comm) -Hall Effect sensor with neodymium magnet for shooter speed control |
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