Aircraft Center of Gravity Calculator - RC Groups
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This thread is privately moderated by SPasierb, who may elect to delete unwanted replies.
Jul 20, 2009, 01:06 PM
Team JR Air
SPasierb's Avatar
Cool

Aircraft Center of Gravity Calculator


Aerodynamic Center (AC), Mean Aerodynamic Chord (MAC), Center of Gravity (CG), Neutral Point (NP) and Wing Area

http://adamone.rchomepage.com/cg_calc.htm

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Jul 20, 2009, 03:17 PM
Registered User
Very cool, Thank you
Jul 20, 2009, 07:28 PM
Kenny- Really!
exciter900rr's Avatar
just out of curiosity, i tried using this calc program, and another that allowed a second taper in the LE, and it just wasn't enough. do you know of another that would allow for a triple taper wing? also on the second and third panels of my particular wing, the TE sweeps forward a bit..... any way to allow for this?
THX
Jul 20, 2009, 07:32 PM
Team JR Air
SPasierb's Avatar
Sorry -- I don't. Will look around and post if I find anything.
Jul 20, 2009, 07:57 PM
Kenny- Really!
exciter900rr's Avatar
Thanks- I looked and looked, but came up short too-
I have an F3B sailplane that the manufacturer has supplied the c/g for me, but it is like 48% to 50% and that just seems wrong, but conversely, flying it yesterday on the slope makes me think it could be right?
I'm just looking to see science support the c/g.
KM
Jul 21, 2009, 06:01 PM
Person of interest
KiwiKid's Avatar
I just find a field with long grass and biff it
Jul 21, 2009, 06:43 PM
Team JR Air
SPasierb's Avatar
Quote:
Originally Posted by KiwiKid
I just find a field with long grass and biff it

A time-honored approach.
Jul 21, 2009, 08:40 PM
Kenny- Really!
exciter900rr's Avatar
Yeah, with a replacement cost at over a grand, I think I'll try NOT to biff it!
The plane was still porpoising a bit at speed, so it tells me it could go back further... It's just awfully far back for a sailplane IMHO...
BTW, Sorry to Hijack the thread Spasierb

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