Viewing post history: Re: Weight Weenie Ebike, Nine Months Later

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Viewing post history
This page shows all versions of the post, starting with the most current version.

Current post: Re: Weight Weenie Ebike, Nine Months Later

Postby LewTwo » Thu Oct 06, 2016 9:49 am

LewTwo wrote:
Ykick wrote:What motor RPM?
Good luck with the controller inside the bag.


As far as I know the 36 Volt SXWU motor is only available as 201 RPM.
After my endurance' run the controller was warm but not so much that I had any problems holding it in my hand. However hotter days are on the way. That is why I am going to look at some other arrangement. One possibility is to put the controller under the bag in the open air.

Well it seems I was wrong (again) ...
I was trying to find some additional information for use with a phaserunner controller. Going through my pictures I ran across one I had taken of the motor stamping:
SWXU36V250W205R.JPG
SWXU36V250W205R.JPG (42.58 KiB) Viewed 1479 times
I think that the first Line breaks down to:
Model: SWXU
DC Volts: 36
Watts: 250
RPM: 205
That should work out to 5.694 RPM/Volt or 0.175 Volts/RPM.

The second line could be the serial number, date of manufacture, winding details, gear reduction, other manufacturing data or the interspacial coordinates for a distant planet. The two places that I know of that sale this model are BMSBattery and GreenBikeKit. The information posted on their web site conflicts with each other and what my motor is stamped. I got this particular motor from BMS Battery.

One other piece of information I have been able to dig up. I found a German forum where someone had taken a SWXU motor apart. I count 16 coils:
8FUN-SWXU-16 Coils.jpg
8FUN-SWXU-16 Coils.jpg (40.08 KiB) Viewed 1479 times

Still looking for the planetary gear reduction ratio.
Reference:
http://www.pedelecforum.de/forum/index.php?threads/bafang-swxu-hat-axiales-spiel.39565/
http://www.greenbikekit.com/electric-motor/front-hub-motor/bafang-swxu-36v-hub-motor.html
https://bmsbattery.com/ebike-kit/602-36v250w-swxu-front-drive-v-brake-hub-motor-ebike-kit.html
Edited by LewTwo on Thu Oct 06, 2016 9:51 am.
The more I learn the more obvious the immensity of my ignorance becomes.
Weight Wennie E-Bike https://endless-sphere.com/forums/viewtopic.php?f=6&t=79545&p=1173723#p1173723
...and thanks to Justin!
LewTwo
10 kW
10 kW
 
Posts: 824
Joined: Tue Apr 08, 2014 4:46 pm
Location: Houston, Texas

Original post: Re: Weight Weenie Ebike, Nine Months Later

Postby LewTwo » Thu Oct 06, 2016 9:49 am

LewTwo wrote:
Ykick wrote:What motor RPM?
Good luck with the controller inside the bag.


As far as I know the 36 Volt SXWU motor is only available as 201 RPM.
After my endurance' run the controller was warm but not so much that I had any problems holding it in my hand. However hotter days are on the way. That is why I am going to look at some other arrangement. One possibility is to put the controller under the bag in the open air.

Well it seems I was wrong (again) ...
I was trying to find some additional information for use with a phaserunner controller. Going through my pictures I ran across one I had taken of the motor stamping:
SWXU36V250W205R.JPG
The first Line breaks down to:
Model: SWXU
DC Volts: 36
Watts: 250
RPM: 205
That should work out to 5.694 RPM/Volt or 0.175 Volts/RPM.

The second line could be the serial number, date of manufacture, winding details, gear reduction, other manufacturing data or the interspacial coordinates for a distant planet. The two places that I know of that sale this model are BMSBattery and GreenBikeKit. The information posted on their web site conflicts with each other and what my motor is stamped. I got this particular motor from BMS Battery.

One other piece of information I have been able to dig up. I found a German forum where someone had taken a SWXU motor apart. I count 16 coils:
8FUN-SWXU-16 Coils.jpg

Still looking for the planetary gear reduction ratio.
Reference:
http://www.pedelecforum.de/forum/index.php?threads/bafang-swxu-hat-axiales-spiel.39565/
http://www.greenbikekit.com/electric-motor/front-hub-motor/bafang-swxu-36v-hub-motor.html
https://bmsbattery.com/ebike-kit/602-36v250w-swxu-front-drive-v-brake-hub-motor-ebike-kit.html
The more I learn the more obvious the immensity of my ignorance becomes.
Weight Wennie E-Bike https://endless-sphere.com/forums/viewtopic.php?f=6&t=79545&p=1173723#p1173723
...and thanks to Justin!
LewTwo
10 kW
10 kW
 
Posts: 824
Joined: Tue Apr 08, 2014 4:46 pm
Location: Houston, Texas

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