davidjoyce(at)doctors.org
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 Posted: Fri Nov 30, 2007 3:08 am Post subject: Europa-List:CofG, was Singleton Tail Wheel Mod |
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Raimo & Fred, William in my experience generally gave good advice, but as
reported the C of G advice is misleading. Flying with as rear as possible C
of G is good for tail wheel authority on the ground and for greater
efficiency and speed in the air, but of course flying with the C of G behind
the rear limit is bad for your health! I guess what William meant was
putting it back as far as possible so that in every loading combination it
would still be within the range. This however still requires it to be close
to mid range on the empty plane:
For an 830lb empty (APS wt) plane, adding 200lbs of pilot brings the
Cof G forwards 0.9 ins, but adding 80lbs of luggage puts it back 2.4 ins.
Flying with a 150lb pilot and 80 lbs luggage (probably the extreme
situation) combines to put the C of G back a bit over 1.4 ins. With the aft
C of G limit being 62.5 ins this suggests that it would be unwise to arrange
your empty C of G to be any further back than 61 ins. Those who are tempted
to take camping gear, a couple of bikes and the labrador might well need to
have it substantially further forward! Regards, David Joyce, G-XSDJ
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