# Cannot turn motor by hand after fist test ride

**URL:** https://foil.zone/t/cannot-turn-motor-by-hand-after-fist-test-ride/8322
**Category:** Propulsion System (Motor, Gears)
**Created:** [June 28, 2020, 5:51am UTC](https://foil.zone/t/cannot-turn-motor-by-hand-after-fist-test-ride/8322 "2020-06-28T05:51:49Z")
**Posts on this page:** 1
**Showing post:** 18

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### Author: ![Sliman\_O](https://foil.zone/user_avatar/foil.zone/sliman_o/32/10509_2.png) [@Sliman\_O](https://foil.zone/u/Sliman_O)
#### Post date: [June 29, 2020, 8:08am UTC](https://foil.zone/t/cannot-turn-motor-by-hand-after-fist-test-ride/8322/18 "2020-06-29T08:08:49Z")

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Even if you shorted your windings for sure, I can not understand how you’d damage the rotor this way…

> [@kubais](#):
>
> Do you think that this [6384 motor](https://www.aliexpress.com/item/33011400738.html?spm=2114.12057483.0.0.5fbe5a14JH2fKv) would be somehow possible to use and be properly mounted? I am just a bit confused because shaft and mounting holes are on the same side. So it means only this piece will not be rotating when engaged?

The 6384 and 63100 motors are proven to work. Take a look at this thread for exemple, but there are plenty of others on this site :

> **[Submarine Build](https://foil.zone/t/submarine-build/4424)**
>
> I wanted to make a propulsion system that can be attached and detached from my kitefoil board. The goal was to have everything just screw-on and no drilling, cutting etc. This is what I came up with: The hull was made from aluminum in a...

This motor won’t allow you to attach the prop on the shaft unless you revert it, so basically, if the design allows it, push the shaft to pop out the other way and fix it again with a circlip. I know some motors can be reverted but I don’t know about this one in particular. Alternately, you can attach the propeller directly on the bell and not the shaft itself like many are doing.  
If you are in EU and look for proven to work motors, take a look at :  
[https://alienpowersystem.com/shop/brushless-motors/63mm/aps-6384s-sensored-outrunner-brushless-motor-130kv-4000w/](https://alienpowersystem.com/shop/brushless-motors/63mm/aps-6384s-sensored-outrunner-brushless-motor-130kv-4000w/)

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