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Old 04-17-2014, 04:13 AM   #2 (permalink)
xs4reak
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Join Date: Jun 2007
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Did you check the battery, ESC's and motor bearings? Are the ESC's at stock settings or at low cutoff?

If battery is EOL, the voltage will drop and one ESC will cutoff first -> dip
If you once entered program mode by mistake and one ESC's changed settings -> dip
If motor bearings are EOL, motors won't spin up (fast) enough -> dip

You can check settings of the ESC's with a stock Turnigy ESC programmer. Or listen to the beeps
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