Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

Q500 cg

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Old 03-04-2014, 06:14 PM
  #1
spraybar
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Default Q500 cg

Hi Guys,
Look in my last post I was talking about having trouble with needed down trim on my Q500 high wing racer because it was climbing some thing shocking I have re: checked the incidence & every thing is at zero. So now I need to look at the cg I did have the cg set at 3inches some of you guys said it might be to aft so I have moved the battery pack forward & now set the cg at 2 7/8 I now need to re: fly the racer but wont be able to do this until this week end. I have been looking at the cg on other racers & found that the Viper is 3inches. I aslo looked at the Nemo Q & that was 3 1/8 just hoping I'm going about this the wright way.
Your comments are much appreciated.
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Old 03-08-2014, 06:49 AM
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Viper Q500 CG is 2.5 to 2.75 inches
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Old 03-08-2014, 10:57 AM
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Hi Scoeroo,
I thought 75mm was 3inches & even says in the viper manual the cg can be moved to 86mm
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Old 03-09-2014, 06:53 AM
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Ran all my viper 500's at 2.75"....... Ihad mine running 160mph strait and level
If your carrying down trim no matter what you do to stop the climbing.....you are tail heavy,
Other RCU members have told you this as well
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Old 03-09-2014, 06:56 PM
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As I am new to this pylon racing I appreciate all the comments & do try to do rectify as I hear you guys are saying. Another question can a racer be to nose heavy & if it was what would it do??
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