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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › LOOKING FOR MOTOR SHAFT FOR KDS 4725-540KV
01-29-2016 10:59 PM  3 years ago
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uglyrider0078

rrApprentice

Natick, MA

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LOOKING FOR MOTOR SHAFT FOR KDS 4725-540KV
THIS MOTOR SHAFT BROKE IN MIDFLIGHT DOES ANYONE KNOW WHERE I CAN FIND A REPLACEMENT SHAFT OR A MOTOR OF SAME OR BETTER QUALITY/POWER
Team Miniature Aircraft
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01-30-2016 01:28 AM  3 years ago
JuanRodriguez

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The Villages, Florida

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any reason why you are "shouting" ??? (ie, all CAPS) ???Been there, done that and old enough to know better.....
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01-30-2016 02:11 AM  3 years ago
uglyrider0078

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Natick, MA

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SORRY WASN'T SHOUTING MY KEY BOARD IS BROKEN I CAN ONLY TYPE IN CAPITAL LETTERS,
NOW LETS PLEASE GO BACK TO THE TREAD
THANK YOU
Team Miniature Aircraft
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01-30-2016 02:12 PM  3 years ago
JuanRodriguez

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The Villages, Florida

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Try contacting KDS.... here is their web site....It's a long shot, but a shot nevertheless......

http://www.kdsmodel.com/index_en.php

Problem is, they don't list your motor.... they do list a 4725-540KV, though, and give the shaft spec as 6 mm x 100 mm

Worse case scenario is that they don't have what you need....

On a positive note, you can make your own shaft using 6 mm drill rod. The "flats" are easy to do using a dremel with a disc.

Edit: Not trying to be funny nor disrespectful but are you sure that is the motor you have ?

For my own curiosity, I tried searching for that motor in hopes of coming up with a replacement shaft for you but I find absolutely NO reference to a KDS 4725-520KV anywhere.......
Been there, done that and old enough to know better.....
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01-31-2016 10:14 AM  3 years ago
jannu

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finland

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01-31-2016 10:35 AM  3 years ago
JuanRodriguez

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The Villages, Florida

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The motor he has takes a 6 mm x 100 mm shaft ..... Those two Scorpion shafts are not even close to being long enough !Been there, done that and old enough to know better.....
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01-31-2016 10:58 AM  3 years ago
jannu

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finland

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kds 4725-540 shaft is 10mm..shaft what comes out from motor is 6mm.
bearing size is 10*19*5.so it cant be 6mm all the way.
and scorpion 4535 shaft total lenght is 106 mm
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01-31-2016 11:21 AM  3 years ago
JuanRodriguez

rrProfessor

The Villages, Florida

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Yes , you are right .... 6 mm is the "extended " shaft size .... So , perhaps the Scorpion motor shaft might work ???Been there, done that and old enough to know better.....
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01-31-2016 11:27 AM  3 years ago
jannu

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finland

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yes i think so.i did same to my align 800mx motor.i just cut it to proper lenght.
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02-08-2016 10:40 PM  3 years ago
uglyrider0078

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Natick, MA

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FOR ANYONE WHO HAD THE SAME PROBLEM AS ME
THE ALIGN 800MX MOTOR SHAFT FITS LIKE A GLOVE
Team Miniature Aircraft
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