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raimo.toivio(at)rwm.fi
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 Posted: Sat Apr 21, 2007 7:31 am Post subject: MAC % |
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Those who know
My test pilot has calculated MAC
(mean aerodynamic chord) in my case
(Europa XS Mono w standard wings)
to be 1123 mm (=44,2").
He would like to know its (front pointīs)
distance to the reference point (fuselage datum).
Any idea of that?
He would like to compare MACīs position
to the C of G position in per cent, beause it tolds
him aerodynamically more than arms only.
XRTīs C of G arm is 1496 mm (=58,9").
Thanks, Raimo
==========
Raimo M W Toivio
OH-XRT Europa XS Mono #417, FCAA cleared for test flights.
OH-CVK C172 Skyhawk, reinterioring completed
OH-BLL Beechcraft C45, w radial engines (grounded)
37500 Lempaala
Finland
tel + 358 3 3753 777
fax + 358 3 3753 100
gsm + 358 40 590 1450
raimo.toivio(at)rwm.fi
www.rwm.fi
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josok-e(at)ukolo.fi
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| Posted: Sat Apr 21, 2007 8:05 am Post subject: MAC % |
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Hi Raimo,
It's on page 6-1 of the owners manual. Section 6, weight and balance.
"Flight C of G limits:
Forward 58" aft of datum,
Aft 62.5 aft of datum,
These limits are equal to 17% -26% mean aerodynamic chord"
The manual is on the factory website, in case you don't have it.
Regards,
Jos Okhuijsen
Visit - www.EuropaOwners.org
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raimo.toivio(at)rwm.fi
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| Posted: Sat Apr 21, 2007 8:58 am Post subject: MAC % |
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Thanks Jos,
I was careless - there it was.
Outrigger legs: I am sure I cleaned also
them by asetone before nylon primer and
painting. During my taxi tests they have bent
strongly as they should do. I have not noticed
any damages. So far...
You can be sure I am wondering should I also
change them new (thought they last forever)!
Wishes Raimo
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