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Aviation equipment Question

  1. Apr 16, 2013 #1
    A 5lb Piece of equipment is installed on a aircraft on a Aircraft 45 inches aft of the C of G. A new Seat is also fitted 60 inches fwd of the C of G, Weighing 3.5 lbs more than the old seat. What is the resultant moment?

    I Know its 60-45=15

    Im not sure do i have to use the weight for anything? or they asking for more than i need?

    the resulant moment is -15 i think.

    Still behind the datum.
     
    Last edited by a moderator: Jan 10, 2014
  2. jcsd
  3. Apr 17, 2013 #2

    SteamKing

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    Since when is 5 lbs. = 3.5 lbs.? This is a simple moment calculation (Hint: think see-saw.)
     
  4. Apr 17, 2013 #3
    Not sure what You mean... Its a Aircraft not a See saw. Its trying to find the Negative and Positive weight to the C of G. its either -15 or +1.25 Ibs...
     
  5. Apr 17, 2013 #4
    How do you know how much the old seat weighs>?
     
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