Twin rotor helicopter are also known as a coaxial rotor by a pair of counter-rotation of the rotor. A rotor is positioned above the other. Coaxial helicopters are very popular because of its stability in flight makes it clear easy to learn. And 'as a preferred activity for comparison within each model rotor. Its maneuverability makes it ideal and safe in their own homeland.
Underlying theory: if a helicopter does not move his cornerMomentum is zero. Once the engine starts, it generates a significant amount of angular momentum lead to the rotation of the body of the helicopter is in the opposite direction of the rotor. To maintain stability in flight, are coaxial rotors, each rotor to be used in opposite directions. This allows the shell of a push to keep zero angle.
How does it work? Coaxial helicopters do not need a tail rotor. The torque created by the two rotors rotate in oppositeDirections to each other installations. This leads to a capacity of more stable and hover. Float is one of the most important in-flight helicopter. When the driver slows down or speeds up one of the two rotors, the hover, it can control or direction of the helicopter.
Why go for a twin rotor helicopter: coaxial design is based on their ability to maximize every available engine power is remarkable. A queue of course, raises a share of power was used in liftingclean and shoot. Also observed that most twin-rotor R / C Helicopters have less noise. Conventional R / C Helicopters produce a loud noise "blows" to the interaction with the flow of air between the main rotor and tail. Use more coaxial helicopter is available in the market these days, so less space is a more compact model.
Things to note: the speed of the rotors should be properly checked and maintained. The stability of a Coaxial R / C Helicoptersdepends heavily on the synchronization of the two rotors', so that any deviation can lead to harmful effects. Another disadvantage is the possibility, the rotors are always in each other, especially during extreme maneuvers.
Recently launched several R / C Helicopter Coaxial adoption of a simpler design. This new model consists of a coaxial rotor system with inflexible fixed pitch blades and a swash plate. One thing is clear, are twin-rotor R / C helicopter safely make a wave in the coming yearsof years.
There is a website that contains information on the large RC helicopter, the site is called: RC helicopter in the world, and is accessible at the following address:
http://www.rc-helicopters-world.com
By Robert W. Benjamin
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