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UK military helicopter aerobatics

Discussion in 'Members' Lounge' started by E_SolSi, Mar 2, 2014.

  1. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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  2. invisibledemon

    invisibledemon Bored Moderator VIP

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    [​IMG]
     
  3. jamesA

    jamesA Well known pissed off telephone guy VIP

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    I've always wondered and never really researched it, can a helicopter do sustained level flight upside down?
     
  4. invisibledemon

    invisibledemon Bored Moderator VIP

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    i would imagine that the rotors would have to spin in the opposite direction to sustain it.
    in the direction they go in now, it would just propel it towards the ground.
    then account for the amount of weight that would now be on top of the rotors spinning, i wouldnt give any high likely hood to a helicopter operating upside down for more than a few seconds.
     
  5. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    i think rotor shape and pitch would have more to do with it than rotation direction
    i know RC helicopters can do it... dunno what would be involved in getting a real one to do it
     
  6. xj0hnx

    xj0hnx I wanna be sedated VIP

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    No, a real helicopter can not sustain inverted flight because they can not achieve negative pitch. RC helis can do it because the rotor heads are designed for both positive, and negative pitch
     
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  7. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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