KB20-30-24S 3900kv borstelloze motor (FIN)

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Customer Rated

Jan 02, 2011

not enough power for blade cp pro 2. tried with 8 and 10 tooth pinion. stock motor has more power. same dimensions as e-flite park 370 with same amp draw this is just 3900kv instead of 4100kv but NO POWER!!!! may be ok for smaller applications but not for 3d 300 size helicopters.

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Customer Rated

Aug 14, 2010

Powerful small motor.

I integrated on my own hobby and performed fantastically with a 25A Turnigy car ESC bought here too.

If you want to secure using the screw holes provided at the shaft end, the data is as follows:

6X No.2 (Major Diameter approx. 2.1 mm), in inches Threaded hole on PCD 16 mm.

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Certified Buyer Rated

Jul 25, 2010

Beaware to see the dimension properly. Including the fin will be 23 instead.

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Customer Rated

Jun 27, 2009

Wanted to order this RIGHT NOW: But these people have NO PINIONS in stock! NONE!!!

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Customer Rated

Jun 12, 2009

Great upgrade for a brushed 370/380 class heli. More than enough power to allow a 15 oz CP heli to hold its own in the wind, and won't stress a 10A ESC.

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KB20-30-24S 3900kv Brushless M

Nov 14, 2007

Great power but watch out for the end cap coming off.

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KB20-30-24S 3900kv

Nov 14, 2007

Sehr guter Motor fr RC Cras.

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Great Motor

Nov 14, 2007

I'm using on a combat wing with 30" wingspan and 7.4V 2-cell lipo battery. Climbs nearly straight up with plenty of power using a 6x4 propeller. Do not run with plane in a static condition as the motor will get hot and glue that holds the main shaft to the magnet will melt.

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3900kv brushless motor

Nov 14, 2007

Good quality motor will try this motor on my mini mustang 51D & HBK2.