Motors Take Flight

CR Flight: a new company enters the drone zone

UAV stands for unmanned aerial vehicle. There’s no need to familiarize yourself with the term, because these are widely identified by their shorter, easier name: drones. From the military to the backyard, drones have become an American constant over the past decade. A new company, CR Flight, thinks it can revolutionize the drone market by making a new prototype of electric motor specifically designed for the modern flying device.

CR, based out of Carmichael, California, hopes to unleash its patented technology that includes “a new process and cool running electric motor that increases drone efficiency by up to approximately 45 percent and on-demand thrust by up to 200% over an equivalent standard motor,” per a company press release.

Recent years have seen forward progression of military, commercial and recreational drone use, as well as improvements in battery technology, synchronization with virtual reality tech, and vision positioning advancements. From these areas, UAVs have seen longer flight times, better precision flying with more detailed survey abilities, and more acute hovering control.

The one area that a many agree cannot be improved in the drone industry —”because it is inherently at its most efficient level” according to CR Flight—is the electric motors powering the devices themselves. That’s where CR believes it has an ace. It uses a counter-rotating tweak to a single motor, single propeller application by suspending the motor on a slip ring assembly that allows both the rotor and the stator to rotate while electricity still reaches the spinning field coils.

As the technology’s name implies these two units “counter rotate” around each other in opposite directions and utilize the previously unused energy that was being lost to heat and friction in a normal electric motor system. Both the rotor and the stator now have propellers, which allows for a combined thrust force much higher than that of a typical single propeller motor.

Although this could be achieved by using to motors rotating opposite each other, CR contends that their combined method is far more cost-efficient.

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