COG Aerobird
07-15-2003 | 03:42 AM
#1
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From: Idaho Falls, ID
COG Aerobird
I found the COG of my Bird. At least I think I did. I used the 25% .
My question is:Is the boom supposed to be parallel to the ground when it is balanced, or should I see a slight drop of the tail surfaces. As it stands, at 25% (30mm) the tail is just a tad out of parallel with the ground.. tail heavy?
Thanks..
My question is:Is the boom supposed to be parallel to the ground when it is balanced, or should I see a slight drop of the tail surfaces. As it stands, at 25% (30mm) the tail is just a tad out of parallel with the ground.. tail heavy?
Thanks..
07-17-2003 | 06:34 AM
#2
Senior Member
25% too forward
25% might be a little too forward of a C. of G. for a conventional configuration airframe, such as the AeroBird. Try 30%, in my opinion.
But, after all is said and calculated, your best indicator is a few glide tests.
-Q.
But, after all is said and calculated, your best indicator is a few glide tests.
-Q.
