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How to establish forward CG limit

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User 439
(@user439)
Estimable Member Customer
Joined: 14 hours ago
Posts: 128
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G'day Bob!!

How's life treating you? It's good to be back on the forum, it's been a while.

I have a question regarding finding the forward CG limit on a C182Q.

The Flight Manual states:
Forward limit:
- 1005 mm aft of the datum at 2950 lbs; and
- 839 mm aft of the datum at 2249 lbs.
- Linear variation applies between 2249 and 2950 lbs.

How do I establish a formula to establish the CG limit? I remember for the Echo it was (present weight - 2360) X.27 + 2400.

Thanks a lot, Bob!

Dan 🙂 🙂



   
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Bob Tait
(@bobtait)
Illustrious Member Customer
Joined: 16 years ago
Posts: 2538
 

If you apply the same reasoning as applies to the Echo's forward limit formula you would get.

Forward limit = Present Weight - 2249 x .237 + 839 [I have taken the constant to three decimal places for greater accuracy].

Be careful that you are working in pounds, not Kilos.



   
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