MMM v3 cogging problems.
I got back from my track and i guess this is what its doing i didnt think of cogging before but this is my first electric.
My wheels just start twitching back and forth and the car cogs a couple of feet and stops then it does it again. Just like this. http://www.youtube.com/watch?v=NIB-xvsWYrM (that isnt my car just an example.) But i didnt know cogging affected the steering also. Do i have to send the esc back or is this just a programming problem with the v3 |
RE: MMM v3 cogging problems.
Does the motor spin when its disconnected from the drivetrain?
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RE: MMM v3 cogging problems.
update heres a vid of what its doing.
Dont pay attention to the end of the vid were you here a grinding noise, my axle popped out and i had to put it back in. http://s240.photobucket.com/albums/f...t=MOV00324.flv |
RE: MMM v3 cogging problems.
vid doesn't work
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RE: MMM v3 cogging problems.
I would check to make sure you don't have a battery issue (just to rule it out), by trying a back up battery.
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RE: MMM v3 cogging problems.
Vid should work now.
I dont have a back up battery maybe i should try it on 2s and not 4s |
RE: MMM v3 cogging problems.
Got another radio system or something to test this one with?
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RE: MMM v3 cogging problems.
Looks too me like something glitching in the radio system , there doesnt seem too be much cogging going on too me ....
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RE: MMM v3 cogging problems.
Its not the radio system.
I tried my other receiver that works in my other truck and it did the same thing. I guess its not cogging sense cogging is only with the motor. With this i drive it for a couple of minutes and then the whole car wont move and then it coggs for a couple feet and the steering goes wack like that in the vid and then its normal again for another couple of minutes before it does it again. |
RE: MMM v3 cogging problems.
I would call up castle, maybe you got a dud ESC or a bad motor? No e-mail, phone them directly.
Or maybe your starting power is set too high, beyond what your batteries will handle? |
RE: MMM v3 cogging problems.
Are you using 2.4 ghz?
The radio would work in another truck because the other truck isn't using the MMM system is it? |
RE: MMM v3 cogging problems.
You could also try upgrading to better connectors such as power polls.
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RE: MMM v3 cogging problems.
I would call castle too.
But just for fun, try pulling the red wire from the ESC-RX plug. That will disable the BEC meaning your receiver and servo are unpowered. To power them try a receiver pack like you run on your nitro. If it runs fine like that your BEC has issues. |
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