KB28-47-08S 4900kv Brushless

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Certified Buyer Rated

Dec 07, 2011

Great engine for my litle offshore, more power.

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Certified Buyer Rated

Dec 01, 2011

Top Motor fr Fun Jet

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Customer Rated

Nov 11, 2011

the setup i used for this motor was as below:
60A ESC tunigy sentrey, and 3s 2200mAh nano-tech 35-75c, 2.5inch 64mm 7 blade EDF, so i did the testings and the results are as below:

Amps drew = up to 68A
Power = 588 Watt
thrust = 1.5kg
Temp = up to 70c which i have to mod the motor to fit a heat sink, though its ok even 70c will be ok but any more than that will be a disaster.
Sound = crazily loud
wires = the motor wires will get hot up to 60c
conclusion:
i think this motor is very good and powerful though it have one problem which is getting hot so quickly, don't stay on full throttle for too much specially if its going to drew 68A as my case with 60A ESC, 2200mAh capacity will last only 1min with throttle control so you need much bigger battery, defiantly will preform much better with a bigger fan unit in terms of the motor getting hot and Amps drew, good product but not really recommended cause i know deeply inside after few flights i have to say goodbye to the motor unless i throttle control it really good.
am using the above setup on the typhoon 2000 that you can find here in HK.
out of 10 i give it 7.5

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Customer Rated

Oct 29, 2011

I put this motor in a mono1 boat with an 80a esc and a 3cell Turnigy 2200 battery.This thing rocks!great power,very good quality!

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Certified Buyer Rated

Sep 27, 2011

Monster 100

I bought this engine in the hope that I can overclock Monster Beatle to 65 miles per hour

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Customer Rated

Jun 14, 2011

I have three of these motors in fast climb gliders up to 1kg. They are fitted each with gearboxes and run on 3 high C cells at up to 130 amps but for very short runs of not over 4 seconds.
After up to 2 years use on my first one I am very happy with the motors and have never had a problem with any of them. Exceptional considering the cost.

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Certified Buyer Rated

Jun 12, 2011

Perfect motor!!! I buy 2 units! Excelent!!!

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Customer Rated

May 11, 2011

This motor gets HOT very fast at 3s. APC 6x4 on 3s was too much! I burned 3 fingers and the magnet inside got demagnetized.

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Customer Rated

Apr 27, 2011

I flew this motor with a 5x5 prop the 60a esc from turnigy on 3s 2200
And after 3min flight half power it stopped turning with 45 left in the battery. charged the batterie but motor was dead.

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Certified Buyer Rated

Apr 15, 2011

this motor is worthy of his!