What is the name of the helicopter with two propellors used to carry supplies?
There quite a few. Two of the most famous are the Boeing Vertol SeaKnight and the Boeing Chinook
Which famous artist sketched helicopter inventions long before planes were invented?
Leonardo da Vinci did that.
How did the helicopter change people's lives?
we get to use it and use the helicoper for anything. thanks Paul E. Williams!
How much does it cost daily for a private helicopter?
A private helicopter is a very expensive vehicle. As it is constantly in use, the daily cost depends on how many hours are flown. To charter a helicopter for private use typically costs $1500-$5000 per hour, depending on the model, age and number of passengers.the hourly rental fee. is substantial
Why do rescue helicopters have a difficult time flying at altitudes above 6000 meters?
Because the air is thinner there
What is the shape of a helicopters wings?
The helicopter main rotor blades have an airfoil shape like an airplanes wing. The entire blade can also be angled by the pilot,through the rotor head. This angle makes it fly or lift.
How many people can the largest helicopter carry?
The largest helicopters don't carry people. The largest passenger carriers I can think of are the Russian Mi-26, which can carry about 90 passengers.