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9920 cutting out |
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(#1)
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RC-Monster Carbon Fiber
Offline
Posts: 128
Join Date: Sep 2006
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9920 cutting out -
11.24.2006, 11:52 PM
I moved the 9920 to my sons Emaxx running 3S Lipo and a Mamba Max 5700 motor. It's cutting out like crazy at full throttle. It never did this running my LST2 on 5S.
What the heck? 2007 Grizzly 700 EPS EFI Sons: BL E-Maxx 4S MA 4000 Lipo/MM ESC Feigao 9XL 22/54 gearing Gmaxx single speed Brushless Revo under construction |
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(#2)
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RC-Monster Captain
Offline
Posts: 2,745
Join Date: Mar 2005
Location: Saudi Arabia
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11.25.2006, 12:15 AM
Probably you're having the same problem as me with the 149.18 controller with 3s. The MambaMax motor in a Maxx?!!!! Tooooo small!
You should atleast get a Wanderer L size motor with 4s lipos if you want to eliminate the abnormal stuttering. Also, if you're not using an external BEC, because I have a feeling that your controller's BEC is not working right, it might be the reason why its stuttering like that. Nice to meet you! |
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(#3)
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RC-Monster Carbon Fiber
Offline
Posts: 128
Join Date: Sep 2006
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11.25.2006, 02:39 AM
This is the same motor and battery for the last month. The only thing that changed is the ESC. I'm digging the MM ESC more and more.
2007 Grizzly 700 EPS EFI Sons: BL E-Maxx 4S MA 4000 Lipo/MM ESC Feigao 9XL 22/54 gearing Gmaxx single speed Brushless Revo under construction |
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(#4)
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RC-Monster Admin
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Posts: 10,480
Join Date: Feb 2005
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11.25.2006, 04:22 AM
What gearing are you using?
it's a freaking hot setup. |
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(#5)
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RC-Monster Carbon Fiber
Offline
Posts: 128
Join Date: Sep 2006
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11.25.2006, 01:30 PM
10/77 I think. It was the lowest I could put in it.
2007 Grizzly 700 EPS EFI Sons: BL E-Maxx 4S MA 4000 Lipo/MM ESC Feigao 9XL 22/54 gearing Gmaxx single speed Brushless Revo under construction |
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(#6)
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RC-Monster Carbon Fiber
Offline
Posts: 128
Join Date: Sep 2006
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11.25.2006, 11:48 PM
I guess I will swap them back tonight. I've finally got the E-maxx back together.
2007 Grizzly 700 EPS EFI Sons: BL E-Maxx 4S MA 4000 Lipo/MM ESC Feigao 9XL 22/54 gearing Gmaxx single speed Brushless Revo under construction |
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(#7)
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RC-Monster Dual Brushless
Offline
Posts: 3,794
Join Date: May 2005
Location: georgia
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11.26.2006, 09:55 AM
The 5700 motor and the 3s lipo are not really powerful enough to pull the Emaxx properly
People here hate Nitro, I love it. I start it, run it about 50 ft from me and it dies, I go after it. Perfect exercise |
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(#9)
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RC-Monster Carbon Fiber
Offline
Posts: 128
Join Date: Sep 2006
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11.26.2006, 04:33 PM
It would cut out on the workbench as soon as I pulled the trigger. It was not overheating, I never got to run it.
I swapped them back already. The 5700 is plenty strong for the Emaxx, I've had to upgrade the entire drivetrain. 2007 Grizzly 700 EPS EFI Sons: BL E-Maxx 4S MA 4000 Lipo/MM ESC Feigao 9XL 22/54 gearing Gmaxx single speed Brushless Revo under construction |
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