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My mamba X help - 12/3/2005 5:35:51 AM   
zumzum5150


 

Posts: 219
Joined: 10/27/2004
From: vallejo , CA, USA
Status: offline 		Just picked up a competion X for my Mini-t. I've converted the T for onroad racing and its a blast. The T seems to have been built not only for dirt but for pavement racing. Now to my problem. I've noticed that when the voltage on the Lipo hits 7.24, the speed controller starts an automatic shut down on trottle response. I've programmed the mamba to shutoff at 6v. Thats still 1.24v difference left for me to play with. Has anyone experienced this type of problem. There is also a matter of when I turn the microswitch off the motor will run for a few seconds then it shuts off. Overall, when the TP 7.4 2s 1900 pack is freshly charged at 8.30v I get about 25 minutes of playing time until it hits 7.24v. I've been keeping up with the amount of play time just to see where the problem lies. The motor stays cool even though I'm running a 17t pinion aswell. My T is decked out with Trinity CF chassis and shock towers. No alluminums. I've got a losi ball diff and dual clutch setup also.

Thanx to anyone that can help me solve this minor problem.

       Post #: 1

RE: My mamba X help - 12/3/2005 3:45:21 PM   
mini lst turbo


 

Posts: 44
Joined: 11/28/2005
From: , VA, USA
Status: offline 		if you get 25 minutes of run time with a mamba 8000 motor and only a 1900mah battery then i'd say you shouldnt be complaining!

(in reply to zumzum5150)
       Post #: 2

RE: My mamba X help - 12/3/2005 4:06:06 PM   
mayhem272



Posts: 572
Joined: 9/14/2005
From: Pittsburgh, PA, USA
Status: offline 		yea thats a decent amount of time there
but with 3c lipos u get almost 40mins i hear
have fun

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comin soon (maybe tomorow, comon ups!!) crt pro kit with nova rex p421b and hitec servos. mayhem now has hitec servos!.

(in reply to mini lst turbo)
       Post #: 3

RE: My mamba X help - 12/3/2005 5:02:33 PM   
zumzum5150


 

Posts: 219
Joined: 10/27/2004
From: vallejo , CA, USA
Status: offline 		guys,

thanks for replying back. The lipo thing is so new to me and just didn't know what to expect in terms of run time. I just thought that it would start to shut down once it reached the programmed parameters. Now, what is COGGING? I also have that problem when the the Microswitch is tuned off. Is that normal for the Comp X?

Thnx

(in reply to mayhem272)
       Post #: 4

RE: My mamba X help - 12/3/2005 5:54:21 PM   
JustxOnce


 

Posts: 219
Joined: 7/28/2005
From: Temecula, CA, USA
Status: offline 		How did you program it.........did you use the usb cable?

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If it don't Fit..........MOD IT!!!

(in reply to zumzum5150)
       Post #: 5

RE: My mamba X help - 12/3/2005 6:07:01 PM   
mini lst turbo


 

Posts: 44
Joined: 11/28/2005
From: , VA, USA
Status: offline 		cogging is when you hit the gas and the truck just jiggles around and the motor makes all kinda noises.. the motor needs to be given more initial starting power. its caused by not enough umph from the battery, or too much gear, or too heavy of a truck, or something binding the driveline.

i dont think you usb program the mini mamba (25) with usb.. u just use the switch and go throught the transmitter to input what you want.

(in reply to JustxOnce)
       Post #: 6

RE: My mamba X help - 12/3/2005 6:07:28 PM   
zumzum5150


 

Posts: 219
Joined: 10/27/2004
From: vallejo , CA, USA
Status: offline 		USB cable? the package did not come with one. I just followed the written instructiions on how to program the spd contrl. Am I doing something wrong?

(in reply to JustxOnce)
       Post #: 7

RE: My mamba X help - 12/3/2005 6:12:44 PM   
zumzum5150


 

Posts: 219
Joined: 10/27/2004
From: vallejo , CA, USA
Status: offline 		Thats almost the same sympthoms when my lipo reaches 7.24v. Am I overgearing it with the 17T pinion?


quote:

ORIGINAL: mini lst turbo

cogging is when you hit the gas and the truck just jiggles around and the motor makes all kinda noises.. the motor needs to be given more initial starting power. its caused by not enough umph from the battery, or too much gear, or too heavy of a truck, or something binding the driveline.

(in reply to mini lst turbo)
       Post #: 8

RE: My mamba X help - 12/3/2005 9:37:19 PM   
CadillacETC2000



Posts: 6338
Joined: 10/23/2005
From: Tottenham/Orillia, ON, CANADA
Status: offline 		the usb you have to buy seperatly i think its like 19.99 Canada AND LIKE 10or 12 American

_____________________________

Pity , with all my extra cash , just waiting to line someone''s pockets.

(in reply to zumzum5150)
       Post #: 9

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> 1/16th, 1/18th, Mini & Micro RC Cars >> My mamba X help
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