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Vesc board on ebike

Submitted by tailele on Sat, 2020-11-14 15:08

Good day ,  i started a new project based on vesc board. Now i use a langfeite t8 , that Is a e-bike with two motors with 1300w each other. I buyed a ubox from spintend site and i think that this board Is a good prduct with 75 v and two different output for the two motors . Maybe i wrong somewhere with the configuration of motors, but there Is something that doesn t turn. As i Say the motors are inrunner type without hall sensore and from datasheet thet must give 1300w with countinuosu Power and 1800w with peak Power .

Maximize startup torque

Submitted by arosenthal on Sat, 2020-11-14 14:16

Hi All, 

I have been working on an electric snowboard project...

https://www.youtube.com/watch?v=iDI_jBcqFN4

Having issues with startup torque, seems the motor is instantly saturating on load. 

https://www.youtube.com/watch?v=0sFVEZpsgsY

I was able to get it to work with a config a month ago but have since struggled to tune it. 

battery settings in VESC with lion charge only

rageagthemhcn's picture
Submitted by rageagthemhcn on Thu, 2020-11-12 07:36

Hi I'm hoping someone can give me a little information regarding running a setup with a 12s4p 21700 molicel charge only BMS...I'm not sure exactly what the dangers of running the lion pack without discharge BMS and since i'm using a VESC esc can I protect my battery through the esc in the vesc tool settings and if so PLEASE what settings do I need to focus on!

Electric motor from car alternator

Submitted by frontaleducation on Sun, 2020-11-08 19:39

I build material for the car training. This material is used in developing countries and should be inexpensive and mostly available in the country. I am developing a concept to build externally excited synchronous, permanently excited synchronous and asynchronous motors based on 12V car alternators. The alternator is a separately excited synchronous machine. By exchanging the rotor the other two motors can be build. Thus, the usual electric motors in electric cars can be demonstrated in a practical way. So, now my problem: I have already experimented with the VESC.

Flipsky VESC 4.20 with 5.1 Firmware PWM input offset

Submitted by mantisrobot on Thu, 2020-11-05 12:24

Hi,

 

I have a few Flipsky VESC 4.20 module with 5.1 Firmware, but the PWM input is reading about 1800uS with a 1500uS pulse applied (Checked with scope).  Has anyone else experienced this? I've used tis same hardware before and not had an issue so I'm assuming its the 5.1 firmware, but can't figure out how to downgarade the firmware to 5.0 or lower in order to confirm this.

 

Cheers.

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