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by duggyboard
08 May 2017, 03:01
Forum: General
Topic: How should the VESC "feel" on a board?
Replies: 71
Views: 25140

Re: How should the VESC "feel" on a board?

Sorry to dig this thread up. I've noticed an identical thing in my own scooter with similar set up (sk3 6374 192kv, 12s 5.2ah multistar lipo). The take off is very gentle for a motor of its size and at maybe 20kmh it has a significant hit of power that throws you off nearly every time. I figured it ...
by duggyboard
19 Oct 2016, 04:31
Forum: Hardware Problems
Topic: green and red led slow flash
Replies: 0
Views: 2723

green and red led slow flash

Hi, I gave a work colleague one of my working VESCs and had it returned non functioning :( The red and green LEDs flash slowly, perhaps once every two seconds in unison and seem relatively dim. What could this be indicative of? Bricked from bad firmware or reverse polarity perhaps? There is also no ...
by duggyboard
30 Sep 2016, 02:22
Forum: General
Topic: DRV cut out under load
Replies: 4
Views: 2723

Re: DRV cut out under load

What is the PCB Version and FM Version? What are the Caps rated? Is this happening if you use only one motor? 4.12 hardware and vesc.net.au 2.18 firmware - i will try the proper vedder firmware and configurator tommorow on ubuntu as the windows version still seems to have the max current ramp bug.....
by duggyboard
28 Sep 2016, 12:06
Forum: General
Topic: DRV cut out under load
Replies: 4
Views: 2723

DRV cut out under load

Hi again, Hoping someone can lend me their knowledge cap on this recurring issue. I'll try to include as much detail as possible so sorry if this becomes a long post! :) Machine: minimoto w/ two turnigy sk3 192kv 6374 motors, 12/75 gearing and 280mm wheel (75kmh top speed) with 4x turnigy 25c 6s 5ah...
by duggyboard
23 Sep 2016, 03:10
Forum: General
Topic: Speed control + Backoff ramping query
Replies: 1
Views: 1553

Speed control + Backoff ramping query

Hi, I've got a minimoto going with an sk3 6374 12s 10ah lipo and 12/75 gearing to a 6.5 inch wheel. Works fantastically but seems to have sporadic bursts of speed and never achieves over 85% duty cycle, so i have to work through that. Before doing so though i have some questions about these settings...
by duggyboard
31 Aug 2016, 05:15
Forum: General
Topic: start behaviour on sensorless
Replies: 1
Views: 1250

Re: start behaviour on sensorless

Problem is sorted with more time to tweak settings. Had to significantly increase start current detection to 12A for auto detection in BLDC mode to work at 10s. As for the start up increasing min ERPM was the solution. Here are some plots of it failing to start with the min Erpm at stock for future ...
by duggyboard
30 Aug 2016, 07:46
Forum: General
Topic: start behaviour on sensorless
Replies: 1
Views: 1250

start behaviour on sensorless

Hi! Recently had 10x VESC boards made thanks to hackvana and finished all of them to run on some UUmotor hub motors. The VESCs all work excellently for this purpose. Very happy. They are 4.12 hardware boards. However i was playing with other motors more out of curiosity than anything namely this one...
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[phpBB Debug] PHP Warning: in file [ROOT]/vendor/twig/twig/lib/Twig/Extension/Core.php on line 1236: count(): Parameter must be an array or an object that implements Countable

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