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Most Helicopters have 1 horizontal rotor (for vertical lift) and a "Vertical Tail Rotor" the latter actually steers the helicopter and/or helps keep it straight, or stabilizes it however there are some helicopters that have 2 horizontal rotors which rotate in opposite directions which perform the same task. Because (in normal circumstances) with a single over head rotor, the craft needs the vertical rotor to stop it from spinning round and round out of control. With twin overhead rotors both rotors provide lift and by slowing one (usually the rear one if my memory serves correct) it provides steering control. Also the blades do tilt slightly to assist in steering. The twin Vertical rotor is mostly used in the larger choppers for heavier loads like in the Chinook.
What else can I help you with?
How many airbags are in a helicopter?
I don't believe there are airbags in any helicopter
How do you get on happiness island without the police on gta4?
You need to get a helicopter...either by cheat codes or by stealing on from any of the helicpoter tour places
Can you get a helicopter in vice city without crossing the bridge?
no
What would the world be like without the helicopter?
not as cool!
Is there a cheat for a spawning a helicopter?
no i dont think there is all that you should do is sit in quiet and play it so ur not thinking of anything == ==
Do helicopter pilots have para shoots?
I don't believe any helicopter pilots have parachutes.
How do you get a helicopter in stick RPG complete?
There isint any helicopter in stick rpg complete
How can you fly without a airplane?
a helicopter Additional answer That depends on what you mean by airplane. Some people might argue that a helicopter IS an airplane
Can a helicopter fly as fast as a plane?
A fast aeroplane will be faster than any helicopter, but a fast helicopter can be faster than a slow aeroplane.
How long does a helicopter take to get to Antarctica from Australia?
I doubt that any helicopter can fly from Antarctica to Australia.
Why a helicopter falling during auto-rotation could reach a terminal speed without the pilot changing any controls?
The helicopter begins to fall because gravity is pulling its weight. As the helicopter accelerates, the air passing past the helicopter creates drag, as the helicopter continues to accelerate the drag Increases until the drag becomes equal to the weight, stopping it from accelerating. Even if the helicopter did not auto rotate it would still reach a terminal speed, however the terminal speed for the non auto rotating helicopter would be a lot higher and the helicopter would take longer to reach this speed.
How can you fly without a plane?
you use a helicopter jet pack
