with helicopter mod
Depends on the purpose and make of the helicopter.
I don't really know what you mean. I'm sure that if you be creative, you can make a helicopter out of anything.
Leonardo da Vinci did not actually 'make' a helicopter, he just drew his concept of it.
Alouette helicopter (registration F-RMKZ)
Igor Sikorsky made the first practical helicopter
Igor Sikorsky made the first practical helicopter
A helicopter and a calculator
Standing next to a helicopter while the propellers are spinning is 110-115dB.
No
189,000
You are dreaming.