On Sun, 18 Dec 2005, Jon S. Berndt wrote:
The TCDS suggests the CG should be in the range, 37-42 inches (assuming our
datum is the same).
I think the datum is the same. (p33 in the type cert.):
"Datum Forward face of fuselage bulkhead forward of rudder pedals."
And from 310.xml:
The XYZorigin for measurements is the bottom centre of the
firewall in front of the rudder pedals; the estimates here take
the bottom of the airframe directly below the bottom of the
sloping front windshield, since the 3-views available
are external only.
There are also numbers for the two pilot's seats, and luggage, in the type
certificate. Since the sets are all located aft of the CG, the empty CG
should probably be the most fwd measure. (unless the c310 has a storage in
the nose also)
But where should AC_AERORP be placed? It's not quite at the mid point on
the (mean geometrical) chord, is it? (Could it be taken from airfoil data?)
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