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rparigor(at)suffolk.lib.n
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 Posted: Mon Aug 13, 2007 11:48 am Post subject: Anyone willing to test for happy CG? |
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Wondering if anyone willing to test for happy CG using following test. It
works well on models, and I see no reason it would not work well on full
size?
Power off and trim 5 knots over stall and note position of stick as far as
pitch, dive to around maneuvering speed and put stick back to 5 knot above
stall position.
If nose pitches up, it is nose heavy beyond happy
If it slight noses up, probably a very happy position
If dives, too tail heavy
It would be interesting for this test to be performed at different
weights, and with both short and long wings.
Any takers?
Ron P.
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josok-e(at)ukolo.fi
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| Posted: Mon Aug 13, 2007 10:58 pm Post subject: Anyone willing to test for happy CG? |
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Ron,
If the plane is trimmed for 5 above stall, pushed to maneuvering, it will bring itself back to 5 knot above stall on stick release after a few swings. This was tested as part of the test flight program, and proves the plane is stable in pitch. Don't quite understand what you are after.
Kind Regards,
Jos Okhuijsen
ps. We did full power on stall testing yesterday (100%), clean 33 knots!
Visit - www.EuropaOwners.org
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