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HK2839 EDF Outrunner 2800kv for 70mm

HK2839 EDF Outrunner 2800kv for 70mm

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$16.15
Out of stock!
Rating:
Stock:
OUT OF STOCK
Weight:
125 g
SKU:
HK90139

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Product
Description
HK2839 EDF Outrunner 2800kv for 70mm
 
Specs:
Kv- 2800
Dimensions: 64 x 28mm
Shaft diameter: 4.0mm 
Shaft length: 15mm
Voltage: 14.8V
Weight: 95g
Output Power: 550w
Max Current(<60s): 36A
Thrust: 1200g(42.33oz.)
Recommended model weight: 800-1200g
Recommended model fans: 70mm Fans
 
 
 
Mounting Hole Bolt Circle: 18mm & 20mm
Mtg. Hole Number & Size: 4 x M2
Product
Specifications

Additional Information

  • SKU:
    HK90139
  • Brand:
    N/A
  • Weight(g)
    125.00
  • Length
    80.00
  • Width:
    40.00
  • Height:
    40.00
  • Kv(rpm/v)
    2800.00
  • Max Currents (A)
    36.00
  • Power (W):
    550.00
  • Length B (mm):
    64.00
  • Can Length D(mm)
    25.00
  • Max Voltage(V)
    15.00
  • Shaft A(mm):
    4.00
  • Unit Weight (g):
    95
  • Diameter C(mm)
    28.00
  • Total Length E(mm)
    79.00
  • Resistance (mh):
    0.00
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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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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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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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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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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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saft iin delik mantikli,,,orta hk kalitesi
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70mm EDF? ?????. ???? ??? ?? ????.
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good motor.. nice upgrade
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motor bagus untuk jet home made saya . dan kekuatan terbang sangat bagus
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It gd motor for my edf 80mm.power up very well
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