Helicopters are made mostly of aluminium because it is strong, light and versatile
Physics
You need more information than that ! You need the density of the material it's made from, and the thickness of the pipe !
For the helicopter body to be in balance and direction to steer the helicopter.
The Great Pyramid is made of limestone, and this is a common pyramid material.
An engineer, Igor Sikorski, invented the helicopter.
The helicopter is made out of metal and tin.
The helicopter was made in China.
The first helicopter was made in 1909.
Nobody made the helicopter in 1900
Bell have made many helicopters, we need a name or model #
The first Helicopter was made by Igor Sikorsky, in 1939.
No, the first practical helicopter was made in 1941.
the helicopter made him horny
Sikorsky made the first practical helicopter. Bell followed very soon after
me as in me........................
No
Titanium is mostly used