750KV Turnigy 3639 Brushless

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Customer Rated

Sep 30, 2013

Although this motor is listed as a 3S motor with a maximum of 11 volts it is an excellent motor on 4S with 13" and 14" props. On 3S the current will exceed the specified maximum current of 35 Amps long before you get to the specified maximum of 600 watts. I am using one with a 4S battery with a 13" x 6.5" APC prop and it runs great. Could easily go to a 13" x 8" prop without overloading the motor. I haven't tried it with 4S and 14" props but it should be fine.

Hoby King should revise the motor specs to 4S with a maximum voltage of 16.8 volts.

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Certified Buyer Rated

Sep 02, 2012

Ordered it to mein freund. All good nice package, tight packing and all extras included.

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Customer Rated

Jul 05, 2012

Made my first three flights this morning with this motor in a Gary Wright E3D running a 5000MAH 3s. 12/7 prop pulled 30amps and 350 watts. Problem: bearings are already bad! After less than 10 minutes flying time, I have bearing noise and some prop wobble. Obviously very poor quality bearings used in this motor. Look elsewhere for your next motor.

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Customer Rated

Jan 23, 2012

Compre este motor para una piper fun cub de 1,40 metros y funciona perfecto, tiene un funcionamiento muy suave y el avion al 60pcnt de potencia trepa en vertical, ademas no tiene vibraciones ninguna y es muy economico con los consumos.

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Certified Buyer Rated

Nov 13, 2011

Use this motor in a 2.2m hotliner, in combination with a 14x8 folding prop, power is awesome

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Customer Rated

Oct 16, 2011

Pulled 54 amps and 796 watts peak on 4s with 1600g sukhoi and a 14x10 tgy light elec prop.Motor gets a little more than handwarm.Had to replace the rear bearing after about 30 flights.Good motor

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Customer Rated

Aug 28, 2011

en las especificaciones de da hobbyking de este motor dice que la tension para este motor es de 2 o 3 S pero en este link http://www.hobbycity.com/hobbycity/forum/uploads/84/TURNIGY_BR_Series.zip podeis ver que puede utilizar hasta 5 S (parece mas razonable debido a las revoluciones de este motor ( 750 Kv)) de todas formas , cual de las dos es la correcta ? debiera hobbyking hacer una revision y aclarar este termino

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Certified Buyer Rated

Aug 25, 2011

En realidad es un 650Kv, pero lleno de fuerza y muy equilibrado

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Customer Rated

Jun 12, 2011

This is an okay motor, the advertised weight is correct in the ad. I purchased this to use in my PA Ultimate AMR. It was a drop-in replacement for the Thrust 40 (size wise), fit the original holes exactly. However, I think this is more of a 4S motor unfortunately. I use a 3s 2200 25C Zippy, 13x8 Turnigy Light electric prop, only got 325 Watts and 29 amps. 13x6.5 APCe prop, got the same results. You either need 14"-15" props with lots of ground clearance or a 4S lipo.

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Customer Rated

Jun 09, 2011

I have this motor but I'm finding it difficult to find a plane that will accept it. Most planes have the motor mounted with the can in front of the mount. How can you mount this motor in planes where that is the case?