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Old 10-07-2020, 08:24 PM
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Join Date: Feb 2006
Location: Mesa, AZ
Posts: 6,913

As Wildflyer said, the retracts don't run directly off the flight pack, they run off the voltage output provided by the receiver (typically 5v). If you are providing more than like 6v directly to the retracts, they will burn up for sure. On my servo tester I use a dedicated 4-cell NiMH pack rated at 4.8v. Powers servos and retracts just fine for testing.
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