you tell me cause i dont know!!
According to NASA, future helicopters may be probably made of shape-changing materials.
Helicopters can be equipped with either reciprocating (piston) engines or turbine (jet) engines. There is no reason to suspect that advances in electric batteries or hybrid engines will not permit electic motors from powering helicopters in the future as is already done with some small (model) helicopters now.
They fly helicopters.
Helicopters are machines, they can not grow.
Helicopters are about 200 feet
yes, helicopters are dangerous
what are the grey helicopters for
A group of helicopters.
The alliteration for helicopters could be higher helicopters or heavy helicopters
Yes, and not only as military equipment.- if it wasnt for helicopters, hundreds of thousands of people would not be alive today with things such as - Search and rescue helicopters Firefighting helicopters Air ambulances (medEvac) Coast guard helicopters the reality is that helicopters are vital in our modern world
The rotor blades lift helicopters
No animals can eat helicopters.