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Thread: have a question

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  1. have a question 
    #1
    as you can see in the scratch building section i am building a plane out of popsicle sticks. what makes a plane slow? i want to make mine a slow flyer
     

  2.  
    #2
    Join Date
    10-05-2001
    Location
    Farmville, VA
    Posts
    2,291
    Hello Hobbyco,
    The main thing that determines the minimum speed of an airplane is the wing loading. The size of the wing vs the total weight will determine the minimum speed. To a smaller extent, the airfoil shape of the wing has an influence on the minimum speed. A slow flyer model will generally have a wing with an undercambered airfoil, or one that is concave on the bottom.
    Cheers, Dave
    Dave Robelen
     

  3.  
    #3
    i have a ucd 46 with os 70 surpass II prop 14*6 13*5 fueal 15% nitro 20% oil analog servo 3001 3004 (2) on ELEVATOR but I can't do hovering , pls help
     

  4.  
    #4
    Join Date
    07-03-2008
    Location
    Mattawan Michigan USA
    Posts
    329
    What is the total weight of the plane in flying condition?
     

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