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03-15-2008, 11:51 AM
| #1 |
| Rock Stacker Join Date: Mar 2008 Location: Arvada
Posts: 68
|  help .............servo problems  i just bought a new servo to upgrade the steering , Jr ST126MG, last night I swaped servo and hooked it up servo works but when I turn from lock to lock a few times the speed control goes haywire and just goes foreward on it own I have tried tuning plug around also and it does nothing, before putting this servo in truck ran awsome just didnt have any torque futaba 3003 ................any thoughts on this let me know ax10 orion 1600 2/3 nmh airtronics M8 novak exxtra receiver novak rooster integy 55t |
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03-15-2008, 01:16 PM
| #2 |
| Holmes Hobbies   Join Date: Jan 2007 Location: No Where
Posts: 2,751
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You might be pulling more amps then the bec can handle.Try a reciever pack and see if that helps.Just a thought.  |
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03-15-2008, 04:12 PM
| #3 |
| Rock Stacker Join Date: Mar 2008 Location: Arvada
Posts: 68
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I tried that, no luck thanks any way
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03-15-2008, 05:08 PM
| #4 |
| Rock Crawler Join Date: Jun 2005 Location: Safety Harbor
Posts: 588
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It may sound stupid but make sure your transmitter and truck batteries are fully charged.I run a Tower Pro Servo and a TQ3 and when the batteries start to get low the truck gets the jitters even though the low batt light on the TQ3 is a steady red.
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03-16-2008, 04:56 AM
| #5 | |
| Rock Crawler Join Date: Jan 2006 Location: Colorado Springs
Posts: 606
| Quote:
Mine does the same thing when my radio batts get low. I also get some channel leakage, if that makes sense, my third channel starts moving around when I use throttle on low radio batts and I have my radio settings for ZERO channel mixing. Put in fresh batts and everythings hunky dory again. | |
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03-16-2008, 07:49 AM
| #6 |
| Quarry Creeper Join Date: Jan 2008 Location: marysville
Posts: 228
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3A BEC's suck huh? CC BEC wired to bypass the load from your Rx will solve it. fo sho, mos def I bet the farm on it. But you said you tried a Rx pack. Maybe your just a dork and your battery pack is low I've lost quite a lot of hours dinking with that same issue; been through 3 ESC's, 2 servos and a bunch of stupid suggestions on here. Growing up I used to help my old man fab smaller circuit boards. At the risk of sounding arrogant, I think I know a bit about electronics. JRH is known for Electronics, get his attention. Last edited by BigRocks; 03-16-2008 at 08:09 AM. |
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03-16-2008, 07:56 AM
| #7 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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do you have the original rooster or the rooster crawler? the rooster crawler is ample for my 5955. Its a 5A bec |
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03-17-2008, 12:51 AM
| #8 |
| Rock Crawler Join Date: May 2007 Location: lacey
Posts: 833
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when you tried a separate battery pack, did you pull the red wire from the esc?
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03-25-2008, 11:37 AM
| #9 |
| Rock Stacker Join Date: Mar 2008 Location: Arvada
Posts: 68
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thanks for the input on every thing , i bought a 3 amp bec cured all problems .........truck runs like a champ now |
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03-27-2008, 08:42 PM
| #10 | |
| Newbie Join Date: Jan 2008 Location: 108,B.C.,Canada
Posts: 35
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03-27-2008, 10:01 PM
| #11 |
| Rock Crawler  Join Date: May 2006 Location: Surrey, BC, Canada
Posts: 870
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Yea you gotta pull the red wire to prevent toasting the ESC's BEC, and in a lot of cases you have to either bypass the ESC switch or use the ESC switch as well, to enable the ESC... I run a CC BEC at 6V with an RX switch and a MM... I use both switches as a dbl safety it's on or off...
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