Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Q 500 CG.

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Old 09-30-2008, 09:14 AM
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gio
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Default Q 500 CG.

Hi, You guys that have the Q500 low wing, what is the best CG for this plane.
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Old 09-30-2008, 10:30 AM
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daven
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Default RE: Q 500 CG.

Start at 2 5/8" from leading edge and you should be safe. Depending on how you like your racers to fly, it could vary from 2 1/2" to 3".
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Old 09-30-2008, 10:59 AM
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Default RE: Q 500 CG.

yep... 2.5" is a good starting point.
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Old 09-30-2008, 11:03 AM
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Default RE: Q 500 CG.

Some of the older airfoils liked the forward CG (closer to 2 1/2") most of the current airfoils seem fastest with a rearward CG (3")
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