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Help needed- weird ESC behavior

Joined
Mar 3, 2014
Messages
10
Hi there, I've been building an electric longboard, and have ran into a weird issue where my motor will occasionally run backwards, throwing me off. I found this website, and it seems like some of you have a lot more experience with brushless systems then I do. Some of you are even using the same motor as me, so hopefully I can gain some insight here.

This is my setup:
Motor: Turnigy Aerodrive SK3 - 5055 http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=28139
ECS: 90A Boat ESC http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=28223
Transmitter: http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=45311
...I am using a very cheap speed controller, but I looked on this site and found that some other people were using boat ecs's as well. Here is the programing guide for the speed controller: http://www.hobbyking.com/hobbyking/store/uploads/154223259X652823X12.pdf

And here is the issue:
https://www.youtube.com/watch?v=1aumS19o768&list=UUPMThfZUPqx_dlbjoY0jznQ
...as you can see, the motor sometimes decides to run backwards- even when the throttle is pulled back fully. This is despite the fact that I've got reverse turned off in my speed controller settings. I looked around this forum to see if anyone had a similar issue, but found nothing.

Does anyone have any idea as to the problem? Any help would be very much appreciated, so thanks in advance!
 
okay, I recently re-programed every setting. I set it to the standard settings, and also played around with higher then default "angle of entrance" settings. The behavior still happens when every setting is on default.
 
Hi guy
That esc is trash..there is a thread regarding it.. bought 2 and tossed them both, so did a couple other guys...
Go with a hobbyking or hobbywing.
http://endless-sphere.com/forums/viewtopic.php?f=35&t=52759
 
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