Yi Technology to announce a drone with 4K 60fps video capability

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mir
t7X
30 Dec 2016

AnonD-560664, 29 Dec 2016Battery life: 30 minutesWhich is pretty much the average of drones today...

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Anonymous
NTn
30 Dec 2016

Anonymous, 29 Dec 2016Better question: How can it fly?? Most drones use pairs of propellers that rotate in opposi... moreI'm assuming that the throttle of each fan is controlled individually, this allows the tricopter to become stabilized by varying the speed of each motor individually.

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Anonymous
Tcf
29 Dec 2016

Anonymous, 28 Dec 2016The question is. Can it fly?Better question: How can it fly??

Most drones use pairs of propellers that rotate in opposite directions. Speed up the clockwise propellers and slow down the counterclockwise propellers and your drone rotates counterclockwise (Google conservation of angular momentum). Speed up the rear propellers and slow down the front propellers and your drone tilts forward and gathers speed.

So, really, how does this work? Is one of the propellers twice as powerful as the other pair? Wouldn't that make the drone difficult to control?

I will check back and hope somebody posts an explanation!