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07-25-2006, 04:05 PM
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#1 |
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Gettin' Lower!
 
Join Date: Apr 2006
Location: Zurich Switzerland
Age: 39
Posts: 65
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CG at H9 Extra 260
Maybe I'm silly or something, but I'm not sure from where to measure.
The manual writes "measure back 5" from the leading edge at the fuslage...". For me this position seams to be much in front. I would position the CG more in the back. So I'm not sure to measure from point A or B (see foto, B soulkd be at the firewall)??? Anybody how flies this airplaine could maybe tell me about that CG? Thanks  Tom |
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07-25-2006, 05:11 PM
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#2 |
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It's official, thanks Verne...
 
Join Date: Jan 2006
Location: Cleveland, TX
Age: 52
Posts: 11,088
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Re: CG at H9 Extra 260
It will be from the leading edge of the wing at the fuse, probably near the main spar or wing tube.
Oh yeah, from "A" |
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07-25-2006, 05:16 PM
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#3 |
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Thanks for the Support!
Join Date: Jan 2006
Location: USA, OH, Aurora
Age: 40
Posts: 22,067
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Re: CG at H9 Extra 260
The pen marks under the wing look correct!
__________________
Get the most current up-to-date R/C modeling news: www.flyinggiants.com www.rcgroups.com www.crackroll.com www.rccars.com
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07-26-2006, 12:35 AM
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#4 |
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Fly without wing!
Join Date: Jan 2006
Location: Bogor, Indonesia
Posts: 60
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Re: CG at H9 Extra 260
as stated by SleepyC is right...
she is beautiful flying and stable from take off till landed.. 
__________________
Just fly and have fun! 
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07-26-2006, 04:49 AM
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#5 |
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My wife said NO
 
Join Date: Jan 2006
Location: BrisVegas, Australia
Age: 37
Posts: 1,312
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Re: CG at H9 Extra 260
Hi Tom,
CG should be measured 5" back from the leading edge of the wing so Option A is correct. This should put it around the rear of the wing tube. Also, Hangar 9 has added some tips on the Horizon web site here: http://www.horizonhobby.com/Products...ProdID=HAN2750 Cheers Rhino |
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07-26-2006, 12:05 PM
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#6 |
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Bad-ass Super Contributer!
Join Date: Mar 2006
Location: Malaysia
Age: 39
Posts: 286
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Re: CG at H9 Extra 260
Mine is currently balanced between the wing botls and the wing tube. The measurement should be from the wing leading edge at the root of the wing or next to the fuselage. Guess that wording is confusing
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07-26-2006, 10:32 PM
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#7 |
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Fly without wing!
Join Date: Jan 2006
Location: Bogor, Indonesia
Posts: 60
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Re: CG at H9 Extra 260
Refer to your photo: start from point "A" measure back to 5" then you can mark the balance position with pen or sticker for future reference, let we called "C", so you can see she is nose heavy or tail heavy, finally you can adjust weight later.
Mine during maiden flight balanced on 0 degree horisontal position, then in next flight the balance move slightly to aft for 3d mode.
__________________
Just fly and have fun!
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07-28-2006, 08:16 AM
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#8 |
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Gettin' Lower!
Join Date: Apr 2006
Location: Zurich Switzerland
Age: 39
Posts: 65
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Re: CG at H9 Extra 260
Thanks a lot guys. Thats great, becouse now I get the CG perfect. Thanks again. This forum is fantastic... big help, big fun
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07-28-2006, 11:33 AM
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#9 | ||||||||||||||||||
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: North Mexico
Age: 24
Posts: 20,461
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Re: CG at H9 Extra 260
Good luck on your maiden! It helps having the correct CG.
A guy here locally lost one of these on his maiden flight because of the confused wording in the manual in regard to the CG. 50%
__________________
Christopher Todd VessAero SecraftUSA ExtremeFlightRC 3DHobbyShop HitecRCD
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08-01-2006, 03:42 AM
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#10 |
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Fly without wing!
Join Date: Jan 2006
Location: Bogor, Indonesia
Posts: 60
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Re: CG at H9 Extra 260
congrat for your maiden flight, tom...
send the pic now 50%, so sad to hear it... i believe vendor shall revise the manual accordingly... i hope so...
__________________
Just fly and have fun!
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