how’s your Christmas going guys?
I just set up my escs with the Vesc tool, everything works but I have a bunch of questions:
-I updated the firmware on both Escs but when I went on the “Setup Input” this flagged on my screen (see picture), so I closed it, re-opened it and that advice didn’t appear any more… is this normal?
-I followed this tutorial https://www.youtube.com/watch?v=lDuV8cnPRmI to setup the escs but I don’t know if it is enough or if I should change other parameters, I changed Motor Current Max, Motor current max brake, Battery current max, Battery current Max regen, Battery Voltage cutoff start/end. I’m going to set Max ERPM/reverse as soon as I get how to calculate max rpm… Am I forgetting to change anything else?
-How do I get smoother acceleration? (I’m using Current mode) my motors do nothing until 15% throttle and then they seem to spin at full speed even if I’m at 50% of the trigger…
When asking for help like this, if you can share your battery specs, motors and (v)esc type, you’ll get better answers.
You can shape your accel and brakes by going into app/vesc remote/throttle curve or simply get more early throttle response by reducing deadband in app/vesc setting/general. Change from 15% to 10% to start.
thanks for the answers! here are some specs so maybe you can help me out personalize better my escs on the Vesc tool
10s4p Samsung 30q battery , 36V 12Ah 432Wh
motors: Maytech 6365-190Kv |Shaft 8mm| |Idle Current 1.0A| |Max. Current 65A| |Input Volt 2-12 Lipo cell| Max. Output Watt 2000W| |Max. Pull 9700g| Net Weight 668g| |Rated Current 60A| Internal Resistance 0.0442|
Escs: Maytech SUPERFOC6.8 |Cont Current 50A| |Lipo Voltage 3-12S|Burst Current 240A| |BEC 5V|PCB Size 40mm*60mm| |Capatitor 3pcs 680uf63V|MOS IRF7530| |Hardware Based on VESC6.0|Firmware|Updatable|
@b264 I swear I updated the firmware on both escs singularly more than once before that flag
I also found that leaving Bluetooth and your (uart, if you have it) remote unplugged during setup gets rid of that error for some reason; I lost my mind after trying to re-upload firmware like 5 times through can and individually. Maybe my situation was just an edge case, but maybe that’ll help
Default settings or the ones that I’m currently running? Now I have them set like so: Firmware>60>default bin
Motor settings>General>Motor Current Max 69A / Motor current max brake -69A / Battery current max 30A / Battery current Max regen -8A / Battery Voltage cutoff start 32V / end 29V
App settings> App to use> PPM and UART
PPM> Control type> Current
UART>115200 bps
Mapping> Input deadband >10%
I strongly disagree here, keeping it lower than that will decrease average failure rate and drastically prolong battery lifetime.
IMHO setting battery max too high is a common mistake.
If you’re not on a course trying to set top speed records then it’s just increasing failure rates and hassle for tiny gain. Let someone else be the person breaking stuff and turn this down a tiny bit. I personally keep the 30Q cell at 11A max per P-group or 44A (single motor, 22A+22A dual motor) with a 10S4P, however even at 30A (15A + 15A) the skate will operate just dandy and you’ll get a bit more range from it.
Sure, that cell is rated for 15A and is widely known to be able to 20A per cell, but doing that reduces range and battery lifetime.
Nah, it’s fine and I love that — as long as you’re willing to have no brakes whilst exceeding it. I stopped lowering it solely because of that apparent bug in the firmware. If you roll too fast in reverse then you have no way to slow back down except by analog methods like dragging a foot or going uphill; super dangerous trap.
Ahhh I see. The same thing happens in the other direction too right? IIRC if you’re going downhill (forward) and exceed the erpm you also have no brakes (besides foot braking)?
