Driving Rings FLL Robot

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I was inspired by Sam Hengeveld's brief reveal of her FIRST Lego League (FLL) team's use of 18947 "Technic Driving Ring 3L" ( www.bricklink.com/v2/catalog/catalogitem.page?P=18947#T=C... ). This rendering and the next one show how (with one's finger) one can move the 3L Technic Driving Ring sideways along the white 18948 "Technic Driving Ring Connector" ( www.bricklink.com/v2/catalog/catalogitem.page?P=18948#T=C ) to determine which axle(s) receive power from the two EV3 Medium Motors located in the center. As shown here, the green-colored parts are receiving power and the orange-colored parts are not. Above the two front-mounted EV3 Color Sensors, there is a Gear Rack that can move something straight in and out (unlike the hooking action of the other attachments). The length of the axles can be changed, and the stubby Technic Liftarms can be added to to reach far away from the robot. One can reduce the number of Driving Rings if desired, but this idea offers lots of flexibility without the need to construct a complex "Turtle Shell" design.
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MOC-6208

Name Driving Rings FLL Robot
Designer DLuders
Designed 2016
Inventory 349
Theme Mindstorms > EV3
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