Motor-Mount-Holes Standard

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notger   100 W

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Motor-Mount-Holes Standard

Post by notger » Jun 07 2016 12:25am

Hi,

I'm totally new to e-skateboarding.
So first i'd like to say hello.

I have quite some experience with ebike builds though.
A problem that we ebike mid-drive guys have is a standard mount of motors (wich is always solveable for sure)

And it seems that same is true for motors used on e-skateboards.

so until now i came across 25, 28, 30, 32, 44, 44.1, and many different mounting hole distances.
sometimes ordered across, sometimes in a third of a circle.

What are your experiences with motor mountin hole distances.
My main interest is in 50-63 diameter motors >2kw.

like the enertion, alien-drive systems motors or the turnigy sk3, cause those seem to be the most used motors on e-longboards.

So please share your distance expereinces, that we/i can collect some reference here.

greets

notger

chuttney1   100 W

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Re: Motor-Mount-Holes Standard

Post by chuttney1 » Jun 07 2016 8:04pm

I use Turnigy Sk3 6374 uses 32mm bolt holes as said on their website.

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psychotiller   10 kW

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Re: Motor-Mount-Holes Standard

Post by psychotiller » Jun 07 2016 9:03pm

chuttney1 wrote:I use Turnigy Sk3 6374 uses 32mm bolt holes as said on their website.
If you measure diagonally those are 44mm hole spacing

50mm motors measured diagonally have 30mm hole spacing
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s28400   100 W

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Re: Motor-Mount-Holes Standard

Post by s28400 » Jun 07 2016 9:44pm

I made a 3D model of the APS 6355 230kv motor. You can download it here: https://grabcad.com/library/alien-power ... er-motor-1
My Project Site: https://www.radicalcreation.com
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nowind   100 W

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Re: Motor-Mount-Holes Standard

Post by nowind » Jun 07 2016 11:45pm

Tunigy SK3-6364 : 44mm Pitch circle, 4xM4

Tunigy SK3-6374 : 44mm Pitch circle, 4xM4

Alien APS 6374 : 44mm Pitch circle, 4xM4

Enertion R-SPEC 6372 : 44mm Pitch circle, 4xM4

Leopard 8072 : 59mm Pitch circle, 4xM5

Greeez
Jenso

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notger   100 W

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Re: Motor-Mount-Holes Standard

Post by notger » Jun 08 2016 4:11am

chuttney1 wrote:I use Turnigy Sk3 6374 uses 32mm bolt holes as said on their website.
thats a pretty weired way to describe the hole distances in my opinion.

cause 32mm would mean 44 in diagonal right ?

thanks guys, now its clearer to me.

i could not really believe that alien would just have 30mm in diagonal like stated on the technical drawing here.
http://alienpowersystem.com/shop/brushl ... kv-3200w/#

so thats a mistake from their side right?

thanks
notger

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notger   100 W

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Re: Motor-Mount-Holes Standard

Post by notger » Jun 09 2016 3:19pm

s28400 wrote:I made a 3D model of the APS 6355 230kv motor. You can download it here: https://grabcad.com/library/alien-power ... er-motor-1
thats nice, but for some reason i cannot open it in Autodesk inventor.
noramlly i do not have troubles with .SLD files

just if you have passion for it would you like to check the files or send them to me m_gernot (ät) gmx (pot) at
i mean creating a basic motor model is really easy but your look really nice

greets

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s28400   100 W

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Re: Motor-Mount-Holes Standard

Post by s28400 » Jun 09 2016 5:27pm

Sure thing, here are the models in stl and step format:
Last edited by s28400 on Jun 09 2016 11:14pm, edited 1 time in total.
My Project Site: https://www.radicalcreation.com
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notger   100 W

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Re: Motor-Mount-Holes Standard

Post by notger » Jun 09 2016 11:05pm

works perfect, thanks

nowind   100 W

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Re: Motor-Mount-Holes Standard

Post by nowind » Jun 10 2016 12:00am

notger wrote:
chuttney1 wrote:I use Turnigy Sk3 6374 uses 32mm bolt holes as said on their website.
thats a pretty weired way to describe the hole distances in my opinion.

cause 32mm would mean 44 in diagonal right ?

thanks guys, now its clearer to me.

i could not really believe that alien would just have 30mm in diagonal like stated on the technical drawing here.
http://alienpowersystem.com/shop/brushl ... kv-3200w/#

so thats a mistake from their side right?

thanks
notger
The Alien have TWO Pitchcircles, the larger one is 44mm.
Jenso

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notger   100 W

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Re: Motor-Mount-Holes Standard

Post by notger » Jun 10 2016 12:09am

nowind wrote: The Alien have TWO Pitchcircles, the larger one is 44mm.
Jenso
Hi, so i guess i can count with a standard of 44mm pitch with most motors and some do have 30mm (too, or weired standards)
I anyway will use some of the "usual" motors, so ill make my mount with 44mm, and rather look for fitting motors than making individual mounts.

thanks guys

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