HK2839 EDF Outrunner 2800kv pour 70mm

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Customer Rated

Sep 08, 2015

On my test stand I get 800W, 1100g thrust, and 52A. How is this possible??
Motor was running a bit hot (no wonder!).

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Certified Buyer Rated

May 10, 2015

I'm building a jet by using HK2839 70mm EDF Outrunner 2800kv for this, the sound is very large and steady power,, I am very happy with the speed of a jet plane I,, this is a good material

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Customer Rated

Sep 24, 2014

I'm not getting anywhere even close to 1200g thrust. With a 6-blade 70mm unit I'm getting 550g at 32A and 4S. Sucks!

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Customer Rated

Oct 24, 2013

I bought this motor for my Stryker C as I wanted it faster. Powered by a Turnigy AE-65 and a 4S 2650mAh 25C battery turning an APC 8x5 prop. The Stryker is mostly carbon fiber rod and it hauls azz! I have about 15 flights on it thus far. My buddy clocked it at 124.1mph!! You can hear it scream from 4 blocks away. How I know this? A cop followed the noise. lol No ticket; He thought it was cool. I only allow myself of 3 minute flying times as the motor comes down pretty warm. And the pucker factor adds to the limited flight times too.

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Certified Buyer Rated

Oct 19, 2013

These are limited to 4S at 610W at 40Ap on the matching 70mm EDF. The box comes marked 2800kva buts it's more like 3200 in my tests. The lead wires - magnet wire - run hot (not Silicon) and the motor runs v/hot because there are only two 'micro' holes at the rear of the motor? - no airflow (on you can see in the picture). Its a shame because IF the rear bell was ventilated properly (with a fan like the 2215 series) it could be pushed to 5S. :(

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Certified Buyer Rated

Mar 30, 2013

saft iin delik mantikli,,,orta hk kalitesi

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Certified Buyer Rated

Mar 18, 2013

70mm EDF? ?????. ???? ??? ?? ????.

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Certified Buyer Rated

Feb 06, 2013

good motor.. nice upgrade

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Certified Buyer Rated

Sep 27, 2012

motor bagus untuk jet home made saya . dan kekuatan terbang sangat bagus

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Certified Buyer Rated

Sep 25, 2012

It gd motor for my edf 80mm.power up very well