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12-26-2008, 10:20 AM
| #1 |
| I wanna be Dave  Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
|  Help with mamba 25 and 454's
I haven't used this rig (DTX C.C.)that much because of the startup problems, any ideas might be helpful, remember i am running a mamba 25 with 2 454 motors, if you look at the video the start up is all jittery and as more power is applied it becomes somewhat stable, i also have a 995 tg servo and i am running a 40mhz 4ch radio, i have tried a spektrum radio in it and same deal, so we can rule radio glitching out. Video is being uploaded right now  Last edited by cartronicshn; 12-26-2008 at 10:30 AM. Reason: Uploaded video |
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12-26-2008, 10:34 AM
| #2 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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What happens if you run just one motor?
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12-26-2008, 10:40 AM
| #3 |
| I wanna be Dave Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
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Haven't tried that yet EP, i went with JRH recomendations on motor and esc since i got the from him, never evne crossed my mind the esc could be overamped with these motors, let me try, i'll report back  |
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12-26-2008, 10:47 AM
| #4 |
| AKA 2G's  Join Date: Feb 2006 Location: Where the wind blow's
Posts: 750
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You need a bigger speed control for 2 454's.
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12-26-2008, 11:11 AM
| #5 |
| I wanna be Dave Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
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Single motor on the mamba 25, still jittery, i have taken the motors of the axles and don't fill they bind, as soon as i mount up the motors it feels very tight to turn the axle.  |
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12-26-2008, 03:12 PM
| #6 |
| owner, Holmes Hobbies LLC  Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Did you reprogram your throttle points on the ESC?
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12-26-2008, 03:26 PM
| #7 |
| I wanna be Dave Join Date: Aug 2006 Location: under a rock and a hard place
Posts: 5,443
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Maybe a silly question...but are you in brushed mode ?
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12-26-2008, 03:55 PM
| #8 | ||
| I wanna be Dave Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
| Quote:
Quote:
  , guess what, that was my problem all along, so i guess it doesn't matter how long you have been in the hobby, or how well you know your systems you can always make the simplest of mistakes and overlook it, but thanks to the forum and you guys i again a happy camper | ||
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12-26-2008, 07:34 PM
| #9 |
| I wanna be Dave Join Date: Aug 2006 Location: under a rock and a hard place
Posts: 5,443
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Glad it helped I felt stupid asking you that since I know you have been around the block,but as you said...sometimes the simplest things are overlooked the easiest By the way...been there done that   |
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12-26-2008, 10:31 PM
| #10 |
| Rock Crawler Join Date: Sep 2008 Location: Kennesaw
Posts: 630
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How did you wire it up to the single motor? Also what settings did you use in the Castle Link?
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12-27-2008, 09:17 AM
| #11 | ||
| I wanna be Dave Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
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Quote:
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12-27-2008, 09:48 AM
| #12 |
| Moderator Rule Breaker  Join Date: Feb 2004 Location: Austin, Tx
Posts: 5,970
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I dont see how the m25's are going to stay alive with 454's.
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12-27-2008, 09:50 AM
| #13 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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I had no problems with mine, but I did run it with 2/3a cells and not lipo. I heard one guy blew up a sidewinder with two 454s recently.
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12-27-2008, 10:34 AM
| #14 |
| I wanna be Dave Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
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I am running 8 cell 2/3 nimh, i hope it survives, so far so good |
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