Engine Size

Good day all,

So i want to know would an 30cc engine with 2hp be enough to fly an aircraft of 20 - 25kg ? Please need some help here.

Thanks in advance.  

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  • Flight Controller - 15g
    R/C Receiver - 15g
    Silver Blade Frame - 150g
    4x Motors and ESC - 200g
    3S LiPo Battery (1300-1800mah) - 150g
    FPV Camera and Transmitter - 50g

  • Hi Johan,

    The answer is dependent on the airframe you choose. Based on what you have said though, this is marginal power for even  a powered sailplane.

    Given a more "ordinary" planform, I think you'll need 8 hp or more. I have a past design that flew well with 3 hp on a 10kg airframe. It would not hover, but climbed fairly well. 

    dennis

  • Moderator

    Yes if the wingspan of the aircraft is large enough.

This reply was deleted.

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