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    Display : All categories 0 Power Systems 764 Electric Motors 431 Brushless Motors 298

    HobbyKing AP03 4000kv Brushless Micro Motor (3.1g)

    HobbyKing AP03 4000kv Brushless Micro Motor (3.1g)

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    HobbyKing AP03 4000kv Brushless Micro Motor (3.1g)

    21 Reviews
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    $18.56
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    SKU:
    HK-AP03-4200

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    Product Description

    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.
    Product Specifications
    • 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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    Reviews

    Only registered users can write reviews. Please, sign in or sign up

    Robert | Verified Buyer

    • Overall
    • Quality
    • Value

    HOBBYKING AP03 4000KV

    Mar 30, 2022

    These and 1104s at 4000kv are great for powering small Guillow's conversions on 1S using Hobby King 5X3 red or black push on props.

    Robert | Verified Buyer

    • Overall
    • Quality
    • Value

    HOBBYKING AP03 4000KV

    Mar 20, 2022

    I bought some of these on sale to try with a few Guillow conversions.
    I'll try a light weight 5x3 prop (with 1.5mm hole) on 1s.

    Maristena | Verified Buyer

    • Overall
    • Quality
    • Value

    Good motor

    Mar 28, 2021

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

    | Verified Buyer

    • Overall
    • Quality
    • Value

    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

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Jul 31, 2015

    Gut fr Depron Hallenflieger

    Hans | Verified Buyer

    • Overall
    • Quality
    • Value

    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

    • Overall
    • Quality
    • Value

    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

    • Overall
    • Quality
    • Value

    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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    • Quality
    • Value

    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

    • Overall
    • Quality
    • Value

    Certified Buyer Rated

    Jun 02, 2011

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

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