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-   Team RCU - Don Szczur (https://www.rcuniverse.com/forum/team-rcu-don-szczur-329/)
-   -   BRIO CG-BALANCE UPRIGHT or INVERTED? (https://www.rcuniverse.com/forum/team-rcu-don-szczur-329/5360111-brio-cg-balance-upright-inverted.html)

F.Imbriaco 02-02-2007 09:46 AM

BRIO CG-BALANCE UPRIGHT or INVERTED?
 
Hi Don,
I'm curious to the manner you determined the CG point ( the 8 to 8 1/4" range ). Did you balance the ship upright or inverted? With the mid- wing of this design , does it matter ?
Thanks!

altacom 02-02-2007 02:14 PM

RE: BRIO CG-BALANCE UPRIGHT or INVERTED?
 
With a mid wing, I personally use the Dubro balancer, and do it upright. Only time I use it inverted is for low wing birds.

F.Imbriaco 02-02-2007 04:42 PM

RE: BRIO CG-BALANCE UPRIGHT or INVERTED?
 
Thank you altacom, but in case you didn't notice, this forum directs questions to TEAM RCU PILOTS , only. I'm certain you have a wealth of knowledge to share .

Don Szczur 02-02-2007 08:19 PM

RE: BRIO CG-BALANCE UPRIGHT or INVERTED?
 
Well, I think that altacom has a much better answer than I can provide, but since you asked...

Take your two index fingers, lift the plane about shoulder-height. Use your elbows against your stomach to support. Move your fingers back and forth until the plane is level- balanced (fingers intersect the fuslage/wing root at the underside) and then when its set use your fingernail to put a mark in the wing. Then put the plane down and measure from that mark to the LE- straight forward. Simple but effective and accurate to, say 1/8 inch.

Don

J Lachowski 02-09-2007 08:14 AM

RE: BRIO CG-BALANCE UPRIGHT or INVERTED?
 
Frank,

I balanced mine inverted right at 8 inches. You know how well it flys<g>


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