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California-based firm Aerofex created an aerial vehicle with two ducted rotors instead of wheels, which originates from a design abandoned in the 1960s because of stability and rollover problems.
The aerospace firm managed to fix the stability issue by creating a mechanical system — controlled by two control bars at knee-level — that allows the vehicle to respond to a human pilot's leaning movements and natural sense of balance, Innovation News daily reports.
"Think of it as lowering the threshold of flight, down to the domain of ATV's [all-terrain vehicles]," said Mark De Roc