Quote:
Originally Posted by D-Luv
You need to be more specific here, in swept wing airplanes (like ours) there is a point where moving the CG aft decreases efficiency (generally further after than 32% MAC). None of us have any knowlege of where 6,7,or 8 units up lies in realation to MAC.
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You may be able to figure it out here,
http://www.airweb.faa.gov/Regulatory...E/T00011AT.pdf
C.G Limits
(landing gear extended)
592.4 to 623.3 inches (15.6% to 43% MAC) with 42,549 lbs (19,300 kg).
592.4 to 623.3 inches (15.6% to 43% MAC) with 42,328 lbs (19,200 kg).
588.3 to 623.3 inches (12% to 43% MAC) with 34,171 lbs (15,500 kg).
588.3 to 623.3 inches (12% to 43% MAC) with 28,660 lbs (13,000 kg).
619.9 inches (40% MAC) with 26,455 lbs (12,000 kg).
Straight linear variation between the points given.
Moment due to landing gear retraction - 10,155 in-lbs (-117 kgf-m)
(the aircraft C.G. is moved forward with the retraction).
or here,
http://www.legacydriver.com/Legacy%2...Procedures.pdf
trim.JPG
8 up is for small people.