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Early cars tried to be faster and faster, to break the 60 mph barrier.
They can run up to 35 mph and they have more stamina than a horse.
Whilst engaged on operational tasks the plane cannot hover like a helicopter, it requires airspeed of about 50 mph to remain airborne.
A heavy duty cable will transmit the power to the propellors, delivering a maximum airspeed of up to 25 mph.
Dora Lil' Quad - Designed as a toddler-friendly choice, this battery-powered 4-wheeler features a large push-button on the handlebar for easy stop-and-go performance and travels a safe 2 mph on hard surfaces.