HobbyKing AP03 4000kv Micro motor sin escobillas (3,1 g)

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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.

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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.

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Good motor

Mar 28, 2021

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

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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.

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Certified Buyer Rated

Jul 31, 2015

Gut fr Depron Hallenflieger

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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!

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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.

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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

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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.

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Certified Buyer Rated

Jun 02, 2011

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