XK3665-B-2100KV Brushless Inrunner

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Customer Rated

Jul 09, 2014

Got this motor in the mail some days ago, tried it yesterday the performance was good, run it in an E Maxx with a 150a esc and the tirnegy 2100 kv and 4 s batteries gearing was 68/21. The motor gets hot after the run with a batteries that was 5800 mah.

It fittet on the stock motormount which was good

Gave the quality and overall raiting 3 and 4 crowns, because the motor lit unscrews when I drow it yesterday. The top lid got loose this must be a flaw in the design.

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Certified Buyer Rated

Sep 11, 2013

another great product at great price

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Customer Rated

Apr 21, 2013

Test run : EKOS twin drive catamaran
4s lipos: 42mm 1.9pitch prop, 117amps max, 1663 watts max, temps after 4000mah battery 29 celcius

4s lipo : 37mm 1.6pitch prop, 65amps max , 1003watts max, temp after 4000mah battery 23 celcius

5s lipo: 37mm 1.6pitch prop, 78amps max, 1299watts max, temps after 3700mah battery 32 celcius, speed 58mps max
both motors watercooled
great motors in my opinion , 5s lipos taken with easy must have small prop
regards from london

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Customer Rated

Apr 19, 2013

first test in my ekos twin 4s lipo with 42mm 1.8pitch alloy props ,
lipo only charged to 3.7v per cell
7,55amps, 112watts, temp after 30 seconds : 28 celcius so not so great on the beginning , will do test run this weekend and come back with all details,
will run 4s and 5s lipos on this set up
regards from london

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Customer Rated

Mar 17, 2012

MGT (heavy 5kg 1/8 MONSTER) with this engine on 4s flip over on command!!!
Insane power in AMAZING motor!!

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Customer Rated

Jan 17, 2012

I've just fitted this motor to my proboat stiletto. The leopard 3650 cooling jacket fits a treat. I run this on 4s With a turnigy 120a esc and an x642 prop. My boat is a lot faster than stock. Deffo reccomend this motor for a 27-30inch boat.