Helicopter

Japanese Name

へりこぷたー

herikoputaa

Description

A helicopter is a type of aircraft that can take off, land, and hover vertically.
It uses one or more horizontal rotors to generate lift and thrust.
Unlike airplanes, helicopters don’t require a runway.
They are capable of flying in multiple directions, including sideways and backward.
This versatility makes them ideal for rescue, transport, and military missions.
The main rotor provides lift, while a tail rotor (or other system) counteracts torque.
Modern helicopters can fly at altitudes of several thousand feet.
They are used in both civilian and military applications around the world.

The concept of vertical flight dates back to ancient Chinese toys.
Leonardo da Vinci sketched an early helicopter concept in the 15th century.
The first practical helicopter was the Focke-Wulf Fw 61, flown in 1936.
Igor Sikorsky, a Russian-American engineer, built the first successful mass-produced helicopter, the VS-300, in 1939.
During World War II, helicopters were tested for medical evacuations and transport.
They became widely used during the Korean and Vietnam Wars.
Technological advances have improved speed, stability, and efficiency over the decades.
Today, helicopters play critical roles in search-and-rescue, law enforcement, and offshore transport.

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