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01-02-2011, 09:53 PM
| #1 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
|  servo turns left when driving forward
ok i have a mamba micro pro running to a punk dig with a spektrum sr3500rx im running a cc bec to power my batt so only the signal wire from the servo is going to the rx and the other 2 are going to the cc bec when i hit the throttle the servo twitches and turns left. i tried without the bec and it doesnt happen. its not big deal to run the bec conventionally with the weak tpro servo that i have now but when i get my jr high voltage servo im gonna want to run 7v+ to it so i need to get this issue resolved. i searched for this issue and couldnt find anything please help |
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01-03-2011, 12:35 AM
| #2 |
| RCC Addict Join Date: May 2010 Location: Los Altos, California
Posts: 1,509
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could be not enough voltage running though? what are you using right now? btw did you take out the red wire from the rx plug? |
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01-03-2011, 08:45 AM
| #3 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
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im running it just to the servo not to the esc the esc is powering the rx the bec is powering the servo
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01-03-2011, 08:49 AM
| #4 |
| RCC Addict Join Date: May 2010 Location: Los Altos, California
Posts: 1,509
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well RXs i heard cant take more than 5amps or something along those lines, so the power isnt used up effectively. that could be the issue. what ESC are you using? if your using the M2 Dig, i wouldnt be surprised, novaks new firmware update will fix the servo glitchs and enable locked dig.. |
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01-03-2011, 08:55 AM
| #5 |
| RCC Addict Join Date: May 2010 Location: Los Altos, California
Posts: 1,509
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hmm nevermind about connecting both. i have no other ideas up my sleve Last edited by MRCCRAWLER1.9; 01-03-2011 at 09:11 AM. Reason: faulty info |
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01-03-2011, 09:36 AM
| #6 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
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thanks for tryin anybody else got any ideas??
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01-03-2011, 09:37 AM
| #7 |
| RCC Addict Join Date: May 2010 Location: Los Altos, California
Posts: 1,509
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well i read that RXs cant handle 5as correctly. you could try connecting the servo directly to the bec.
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01-03-2011, 09:42 AM
| #8 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
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thts when it happens if i run the servo straight to the rx its fine when i power the rx with the bec and take out the red wire on the esc
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01-03-2011, 09:47 AM
| #9 |
| Rock Crawler Join Date: Feb 2008 Location: Golden Corral getting Fat
Posts: 607
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try a different servo you could have bad servo drawing to much
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01-03-2011, 11:12 AM
| #10 |
| 20K Club   Join Date: Jul 2004 Location: Sending illegals home one Hayabusa at a time.
Posts: 22,981
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Analog or digital servo? Try changing the response rate.
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01-03-2011, 11:28 AM
| #11 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
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its a pos t pro but it is digital
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01-03-2011, 11:30 AM
| #12 |
| 20K Club Join Date: Jul 2004 Location: Sending illegals home one Hayabusa at a time.
Posts: 22,981
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Yeah those Tower Pros wear out pretty quick, trying to diagnose any problem with them is usually followed by a "replace servo" remark  |
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01-03-2011, 02:45 PM
| #13 |
| Rock Crawler Join Date: Mar 2008 Location: Grand Rapids
Posts: 918
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tried it on 4 or 5 diff servos then i changed the voltge on my bec and lowered the steering rate and now it only twitches when goung full throttle to full reverse and its minimal i can live with this
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Linear Mode
