HobbyKingドンキーST4010-820kvブラシレスモーター

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Huge powerfull and cheap motor

Nov 11, 2017

I got one for powering my futur Tiger Moth 1400mm laser kit which would weigh 2,5 to 2,8 kg. I will have do take care of the thrust lever ! Read the following:
On the test bench with the HK LightElectric wood prop 13x6", I got peaks of 3kg and then constant 2,8kg of thrust @ 750 to 700W and ~ 52A.
For a 15€ setup, I guess even the devil cannot do better...
Next test onboard, when the Tiger will be built...

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Great cheap motor

Oct 13, 2017

This motor is powerful. I used it to test a 2.7kg 60in Yak-55, the 2.3kg HK Estrella, and I had a magnet failure yesterday testing props on a 2.6kg HK Space Walker, easy fix, I'll buy another one. The HK Estrella flys so well with this motor, that I left one in there, and never bothered to get a fancy motor for it. Just get one, (or two) !

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Wow !

May 22, 2017

I bought this motor as a backup in case my 5055 was held up in transport, just so I could test fly my new 60" Yak 55, but I wasn't sure it would pull it into the air. I fitted it with a 15"x8" prop and it pulled the 2.7kg Yak up unlimited vertical ! I just wonder what this motor will do on my 42" Pitts Python :)

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Customer Rated

Feb 13, 2016

Very solid build/construction of this motor, I've bought it for a 1.4mtr plane, time will tell it's durability, I will re-report on this motor after a few months of flying with it.

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Customer Rated

Jan 18, 2015

for 13 bucks you cannot beat it over 10 pounds of thrust on a 4 cell and a 14 inch prop..and around 800 watts. only have a few hours on it but so far so good ..defiantly not top shelf quality but for the price its great for a heavy lifter

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Customer Rated

May 31, 2014

Excellent motor I am now running two, both drive 13x6.5 APC props using a 60A SS Esc.

One is pulling a scratch 4.7lb, 1/4 scale Vans RV-9 around with great authority, and 12 min flight times.

Quiet, pwerfull and robust. Perfect HK !

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Customer Rated

Aug 08, 2013

Perfekter Motor fr den Robbe AirTrainer 140.

Baugleich mit dem Orginal der allerdings 39,- kostet.

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Customer Rated

Jul 29, 2013

I am not sure these bushes are self oiling. My motor seizes up every now and then. I then pull it apart and oil it and it works again for a while.

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Customer Rated

Jul 15, 2013

Heres the thing, i am running these on a 4s with a 11" slow fly prop on an octo, these motors heat up big time, hot enough that some of high heat glue from my hot glue gun melted.
And i was at 50pcnt throttle most of the time, not goot at all.
Thos cheap bell type brushless outrunners that are blue and say 3s max, i rand those on a 4s with 12" props, they get slightly warm, are half the weight, half the size and cheaper, they also give the same thrust pretty much, this donkey motors are just rubbish

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Certified Buyer Rated

Apr 27, 2013

800 watts on 4s no problem, but bushings wear fairly quickly, still usable but slight vibrations due to wear.