Mars helicopter Ingenuity appears to be missing rotor blades in Perseverance rover imagery captured. The rover's SuperCam ...

Mars helicopter Ingenuity appears to be missing rotor blades in Perseverance rover imagery captured. The rover's SuperCam ...

A video filmed from a fire-fighting helicopter dumping water on a fire in the Pacific Palisades neighborhood of Los Angeles ...

The control complexity is due to the mechanical complexity of the swashplate, which translates control inputs into both collective and cyclical changes in the angle of attack of the rotor blades.

Helicopter? Close, but not quite, since the rotor blades are fixed-pitch. We’ll just go with “monocopter” for now and sort out the details later for this ducted-fan, thrust-vectored UAV.

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"One of the mitigation measures we tested was painting one of three rotor blades black," he told BBC News. "The expectation is that this design reduces so-called motion smear, making the blades ...