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17% OFF EMAX ES3302 12.4g Mini Metal Gear Analog Servo for RC Airplane ₹1,285.33 ₹1,542.57 View It

Overall:

Havelka 30/04/2018

I'm using 2 of this servo on ailerons in my 2.65m thermal glider with construction wing, AUW 1.3Kg, BEC setup to 5.5V Approximately 10 hours in total usage within 3 months, in the middle of 45 minutes long thermic flight, one aileron servo stock in the most upper position without any previous warning. I always do the short preflight check. The plane has no accidents or hard landings yet, just the scratches on covering foil. It was not so easy to land safely even with thermal glider in such a situation, but I have big luck and landing was 100% safely using one aileron, rudder and elevator. Today I dismounted servo to analyse problem, gears are 100% OK including the second one plastic in the chain, potentiometer was OK, but motor drains lot of current and was almost stock in one position, my USB powerbank self powering off because of this. So it looks like burnout motor winding.

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