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20x4.0 fat bike with Bafang geared hub motor (low torque)

Submitted by Ro on Tue, 2024-04-16 10:30

Hi everyone! I have a 20x4 inch fat bike with a standard Bafang G062 1000w geared hub motor, and decided to switch my controller to Flipsky 75100 Pro v2 as I wanted to get more power and speed. My old controller had only 23 Amps. Since I'm totally new to this, I got the classical "low torque" problem. Maybe some of you have the same motor, or you can recommend what settings should I tweak?

Im on FOC, and already tried Ortega Original, BEMF Decoupling. No luck. My battery is 52V, 14S4P, 20Ah, 50A BMS

Any help is very much appreciated.

VESC controller configuration for 350W hub motor, 48V motor.

Submitted by lukepankratz on Mon, 2024-04-15 19:54

Hi,

I'm new to the VESC controller and just wondering if someone could provide me with the VESC settings needed to run a 350W hub motor with a 48V 9.9Ah battery (continuous discharge 20A). The ebike has a twist throttle as well and hall sensor. I have the bike running but it is moving very slow. The bike is a jetson bolt pro. Any help would be appreciated. 

Thanks

Dutycyle dropping under load

Submitted by Julzz112 on Sun, 2024-04-14 18:31

Hello friends,

I have a weird problem, that I cannot find a solution for.

I am driving a 350W/36V Ebike Motor with a VESC 4.10, Fw 5.2 in BLDC-Mode. App: UART + ADC, Duty Cycle Control Mode.

Now, when I input max voltage to ADC1 (100%) and I apply a load to my motor (by using manual brake on my test stand), of course the phase current increases up to around 6-8 amps, but the duty cycle is automatically lowered. The Input to ADC ist still 100%.

After releasing the load, the duty cycle increases very slowly.

Now my questions:

Vesc 6 mkV

Submitted by PredatorRTX on Fri, 2024-04-05 18:45

Hello, I have a 21700 box 2x vesc 6 mkV, I have a problem: My problem was that recently I couldn't turn off the skateboard with the button, the button, the blue cube, the 4-pin plug goes to the PCB, while on the other side there is a plug, the comm cable that goes to the vesc and the cable that goes to there is a POWER SWITCH, I replaced it with another cable, it is a bit too short, 2 cm, but I plugged it in and I was able to turn the skateboard off and on, but unfortunately there is another problem that has repeated itself before, namely, after turning on the board, it

No power

Submitted by ika12 on Tue, 2024-04-02 21:46

Hello guys , excuse my bad english , I have a question if is someone kind , I have a flipsky 75350 pair with scooter hub motor lonnyo 75h 6.5 inch rated at 6000w costumed for more torque , if I set the motor phase to 290a and abs to 800a I have no problem , but if I want to go over this power the motor start to feel like skipping over magnets and I lose power . With 290a I get 10kw , im thinking is something from settings because I think the motor is capable to much more .

RT Data vs Trip

Submitted by ika12 on Tue, 2024-04-02 15:17

Hello guys , I have a simple and noob question 

On android app  în RT Data I can go maximum 10kw but if I go on Trip it record a maximum power of 26kw , im thinking these are spikes but în rt Data I never see that much and why is so much difference ?

Lispscript help

Submitted by mrendu43 on Mon, 2024-04-01 09:57

Hello.

I need help.

Im upgrading my vsett 10+ scooter with vesc drive and i wanna keep stock display.

I have found this lisp scrip that would make vesc comunicate with stock display but when i load it to my vesc i get error about some variable not bound.

Can anyone help, i dont know how to solve that.

https://github.com/aka13-404/VSETT-LISP/blob/master/Installation.md

Connection/power problem

Submitted by PredatorRTX on Fri, 2024-03-29 10:43

Hello, I have a problem, I have a pcb box 21700 trampa 2x vesc 6 mkv, and my problem is that I cannot turn off the box/skateboard using the button, the button is ok, 100%, I don't know how the harness to which the plug is connected and I wonder if it's the fault of the COMM cable which goes from the pcb to the first vesc and then is soldered on one cable and goes to the second vesc. Anyone had a similar problem or can advise what is most likely the fault - comm or the button cable harness?

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