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HobbyKing AP03 4000kv Brushless Micro Motor (3.1g)

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HobbyKing AP03 4000kv Brushless Micro Motor (3.1g)

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$18.56
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SKU:
HK-AP03-4200
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High quality micro motors. Precision wound with silver-copper wire and ultra hard-press laminations.
Extreme performance and efficiency for your micro plane.

Factory Spec.
Kv: 4000rpm/v
Lipo Range: 1~2S (3.7~7.4V)
Suggested prop: 3020
Max current: 2A
Burst current (10sec): 2.5A 
Weight: 3.1g (including mount and wire)
Shaft: 1.5mm
Shaft length: 6mm
Dimensions : 13 x 10mm
 
Test data:
3020 prop (Recommended)
Voltage: 7.4V
Current: 1.7A
Thrust: 61g
 
For 30g 3D airplane and 60g normal flying.
  • Kv(rpm/v) 4000.00
  • Max Current (Motor) (A) 2.50
  • Resistance (mh) 0.00
  • Max Voltage (V) 7.00
  • Power (W) 18.50
  • Shaft A(mm) 2.00
  • Length B (mm) 10.00
  • Can Diameter C(mm) 13.00
  • Can Length D(mm) 3.00
  • Total Length E(mm) 15.00
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Maristena | Verified Buyer

  • Quality
  • Overall
  • Value

Good motor

Mar 28, 2021

Good motor with delicate leads, try to avoid bending them.

| Verified Buyer

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Certified Buyer Rated

Aug 25, 2016

These motors are okay, however the leads are contained within a single insulated cord. Not sure how long they'll last before they heat up and short out.

TieffliegerRudi | Verified Buyer

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Certified Buyer Rated

Jul 31, 2015

Gut fr Depron Hallenflieger

Hans | Verified Buyer

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Customer Rated

Oct 18, 2013

A good choice for outdoor use!
O.k., not one allone. But 4 of them together power a model of 200g absolutly satisfying.
The only problem to solve is the props.
There are airscrews needed with small diameter and huge pitch, 2,16"x3" e.g.
But thanks to 3D-printing this is not longer a problem.
Birds like the Armstrong-Whitworth "Atalanta" with a span of 55 cm are possible.
As I said: outdoors!

Loopy | Verified Buyer

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Customer Rated

Aug 13, 2012

I have done some thrust testing with various propellers on the AP03-4000kv motor in the video below

youtube.com/watch?v=6WMros9ZCjA

Works good on a 1s LiPo system with certain props and batteries like GWS 5030 prop and 160mah Nanotech on a XP3A ESC.

Dave | Verified Buyer

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Customer Rated

Aug 11, 2011

could only get this working for a few mins. wires seem way to thin to work with. need to be slightly thicker HK

Knifenslow | Verified Buyer

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Customer Rated

Jul 06, 2011

It gives about 30 grams of thrust on 1 cell with a 4025 GWS prop.
Some wobble in the bell, but it seems to run smoothly enough.

i_fly | Verified Buyer

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Certified Buyer Rated

Jun 02, 2011

&#38750:&#24120:&#12395:&#33391:&#12356:&#35069:&#21697:&#12289:&#38750:&#24120:&#12395:&#33391:&#12356:

0ne-flight | Verified Buyer

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Customer Rated

Feb 09, 2011

Best in 3 Gamm class. Combine the 4000 KV with an Kyosho Prop (e.g. Fly Baby ) result 45 Gramm thrust with 1 cell 160mah/3,7V 1 Gramm HK esc. application and the machin runs about 9-12 Minutes full throttle.

You have to ream up carefully to install he prop!

I use this powertrain in a DIY Motorspatz 600mm wingspan 54 Gramm flying weight.

Customer | Verified Buyer

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Customer Rated

Jan 17, 2011

I use this motor AP03 with 5A 1S ESC.

It works fine with Lipo single cell.

and i rebind the wire and work fine

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