Improved combat helicopters thanks to ... whales

The engine design of the helicopter allows it to be stowed away, but the cost of production is a matter of concern. The rear propeller helps the helicopter to balance and fly forward. with high speed.

Recently, a company in Germany believes that if equipped with propellers designed like humpback humpback hump will greatly improve the speed of the helicopter's flight.

A humpback whale has five times the speed of athlete Michael Phelps, over 25km per hour. This is due to the hump located in front of the whale's pectoral fins, at a time in each whale's swim, the whale's movement stops when it can not be lifted from the sink. The lump that creates the pause occurs after each stroke, creating an aerodynamic advantage. This has inspired German researchers to experiment with helicopter research to create an aerodynamic advantage when maximizing the speed of a helicopter without wobbling. This technology has been patented and named 'Vortex Generator'.

The scientists completed the wind tunnel test and the next step was to use special means to record flight effects. When the 'hump' is designed to be compact enough to provide maximum thrust, it will be applied to all helicopters, greatly improving flight velocity and cost of production.