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03-28-2012, 01:36 PM | #1 (permalink) |
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Join Date: May 2006
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Any idea why, why mee.....
Hello too all !
Well I have a litle accident today, motor on my TDR cut out and I was not able too auto down, soo I smacked pretty hard. I know it is not the right part of forum, but you boys noo soo much abot this things and maybe you have anwser to this accident. Weel I have put together breand new 12S 4000mah SLS pack, coupled with Jive 80 HV and rewinded ALIGN MX 700. Well after two minutes Jive cut out and the rest of storry you know...... Soo hear is the J-log file if somebodey have an idea what went wrong....... I have made with this setup ower 30 secesesful starts ( with turnigy battery ), but with this battery ( SLS 45-90C) the one and only. One more this at the end of the file is a lot of alrms for BEC-drop voltage, please do not pay attention on this ( it was main battery disconected and the system was suplyed only with buffer pack. Soo any help would bee great.... Regards
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A je to ? |
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03-28-2012, 02:01 PM | #2 (permalink) |
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Thread Starter
Join Date: May 2006
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Ups..... I forget too mentioned, I have noticed 8 blinks on Jive !
The manuals says hardvare owerload, but it seems motor runs smoothly... Regards
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03-28-2012, 03:54 PM | #3 (permalink) |
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Join Date: Feb 2008
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The log ..., 8 blinks confirming: That was a big fat commutation failure.
Always attach the .lov here. Attachment: Inflate the .lov.zip, download and install LogView, open the .lov (yes, OPEN, not import device file). Tom
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Tom (j-log.eu) |
03-29-2012, 12:50 AM | #4 (permalink) |
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Join Date: May 2006
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Thanx Tom for quick anwser
Any idea what too doo to avoid this accidents in future ? Buy Pyro I gess....
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03-29-2012, 01:51 PM | #5 (permalink) |
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Join Date: Feb 2008
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Align MX: At minimum use the KSA option!
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Tom (j-log.eu) |
03-29-2012, 10:38 PM | #6 (permalink) |
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Join Date: May 2011
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HSC
Just wondering... If I viewed your file correctly, it looks like the throttle signal from your Tx jumped up to 100% and the PWM maxed out also just before the shutdown. That may have had something to do with it. I dont see any reason why the throttle signal from your Tx would be set at that percentage. |
03-30-2012, 06:15 AM | #7 (permalink) |
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Thread Starter
Join Date: May 2006
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Hello boys !
The KSA was allready enabled....... The trotle jumped too higher level, because I have swched too IDEL2, like in usual flight, few seconds after swiching motor cut out. Regards
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03-30-2012, 02:16 PM | #8 (permalink) |
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Join Date: May 2011
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Well...
With the Throttle at 100% that just might be too high for the ESC to maintain any length of time. So to protect it's self, it shut down. That would be my thought... If i remember, the log file showed a high amp ouput at the time as well. |
04-01-2012, 07:06 AM | #9 (permalink) |
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Wheelyking has a good point....although your throttle curve of 80% is too high and it looks like when you switched into idle2 PWM jumped to 100% and just starts sucking the voltage out of your packs. Take a look at your voltage when you go to IU2...it goes from 46.5 to 42V in less than 5 seconds. I would suggest going up a tooth in your pinion and dropping your curve down some so your not topping out on PWM. That may or may not been the cause of your shutdown but in any case going up a pinion will keep your esc running with sufficient head room.
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