RC Helicopter?

Discussion in 'RC Aircraft & Watercraft' started by climb'n trees, Mar 2, 2008.

  1. climb'n trees

    climb'n trees New Member

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    What does 2, 3, 4, 6, and 7 channel rc helicopter mean?















    What is the difference?
  2. shootingsportsnw

    shootingsportsnw New Member

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    The number of channels refers to the number of servos the radio will control. A 7 channel helicopter will have 7 different functions that you control with the radio.
  3. tooembarrased

    tooembarrased New Member

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    More channels means more people can fly in close proximity. For RC vehicles, you all have to be on different channels so the car,helicopter,whatever won't get mixed signals.















    Unless you're in a RC club 2 will be fine.
  4. iroh1899

    iroh1899 New Member

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    The number of channels refers to the number of servos the radio will control. A 7 channel helicopter will have 7 different functions that you control with the radio.
  5. Flyboy73

    Flyboy73 New Member

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    R/C Helicopters have 4 primary control surfaces, though 5 "channels" are required for helicopters with collective pitch.

    The swash plate either requires 2 servos or 3 servos depending if it is a CCPM setup or not. 2 Channels are used either way. "Aileron and Elevator", though they are not used the same as an airplane.

    Then you have your "rudder", throttle and pitch. The throttle and pitch are essentially one channel, but they are mixed together so that when you feed in more collective pitch (to go up or down), it automatically increases or decreases the throttle depending on how you have it setup in the remote control.

    So, that is 5 "channels". Sometimes we use an additional channel for Gyro gain control and for other things such as a governor to lock-in a certain RPM range, but most people really just need 5 channels / servos.

    Non collective pitch helis such as the Blade helicopter and many of the other sub $300 RTF helis are simple 4 channel remote control systems since they have no collective pitch.