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  1. 07-29-2008, 04:50 PM #1
    Jackpilot
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    Center of Gravity

    CG on a real airplane is easy to figure out with a weight and balance calculation.
    Does anyone has a magic formula, chart, software to figure out the percentage to input in the FMS for a specific flight model.
    In other words where and which are the data to put together?
    Jackpilot
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  2. 07-29-2008, 05:47 PM #2
    AndyT
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    If I'm not mistaken, the plane itself tells you if you are out of w/b from various sensors built into the landing gear. It should pop up on the EICAS display while you are at idle at the gate.

    Ever get on a plane with just a few people and the attendant asks someone to move to a rear seat for w/b reasons?

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  3. 07-29-2008, 09:45 PM #3
    Michael Carter
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    Quote Originally Posted by Jackpilot View Post
    CG on a real airplane is easy to figure out with a weight and balance calculation.
    Does anyone has a magic formula, chart, software to figure out the percentage to input in the FMS for a specific flight model.
    In other words where and which are the data to put together?
    I'm not sure where else you would find a percentage of MAC other than the POH tables. I don't know of the formula either. I had aerodynamics in college, but that was too many years ago.
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