3D Robotics

Cardboard tricopter

Another good one from Hackaday:

The smooth curves of this integrated landing pad makes us thing the frame was cut either with a CNC device or a utility-knife wielding ninja. Two of the three motor supports look just like this one, but the third has a hinged mounting bracket attached to a servo motor. This way the propeller can be tilted around an axis running parallel to the support arm. We’d bet this feature is mainly for adjusting the yaw of the aircraft.

The video comments mention that this can hover when the throttle is at 45%, showing that there’s a lot lift available when needed. That is until you really weigh it down byadding plastic cages around the propellers. It’s kind of neat to see the thing ‘sticking’ to the ceiling at the end of that clip by driving the throttle wide open and using the cages as top-sided landing gear.

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