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RE: The Official Traxxas 4wd Slash Thread... - 2/7/2012 3:57 AM   
FNG RIDER


 

Posts: 67
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Joined: 12/4/2011
Last Login: 4/12/2013
From: Los Angeles, CA, USA
Status: offline 		Practiced today. bow ties did not work,
went down 1 tooth as it was peaking out near the 3/4 mark
Goose Bumps worked and will try Suburbs on next time out
tracked straight, bite good, cornered flat, no traction roll.
car is still basically stock/ center diff/ power strokes/ roll bars and goose bumps

< Message edited by FNG RIDER -- 2/7/2012 8:41 AM >

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RE: The Official Traxxas 4wd Slash Thread... - 2/7/2012 8:00 AM   
OddsNEnds



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Status: offline 		A bad day at the track is better than a good day at the office. Sounds like you still had a productive practice.....Ironed out a lot.

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RE: The Official Traxxas 4wd Slash Thread... - 2/7/2012 11:16 AM   
phmaximus



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From: Adelaideaustralia, AUSTRALIA
Status: offline 		omg thats the best saying....


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RE: The Official Traxxas 4wd Slash Thread... - 2/7/2012 6:09 PM   
FNG RIDER


 

Posts: 67
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Joined: 12/4/2011
Last Login: 4/12/2013
From: Los Angeles, CA, USA
Status: offline 		Got that right! 
Work is way over rated.  
I had great day, it was my first day back after 1 1/2 years, First practice it was uncontrollable, and my driving was rusty.
I got it going better but timing for the triples was inconsistant.  casea bunch of times : )   It got better after tire swap.
Im hopping the suburbs will hook up.  the stock motor is plenty fast for now.. It felt overgeare and would hit top speed as I entered the brakiong zone.  dropped on tooth.and it was a lot easier to control everywhere.

I mounted up the Suburbs last night.  Will have to make some mods because the bullet connectors are rubbing on the battery bar that holds it down.  the connectors got tweeked and shorted ot the electronics temporarily.

I forgot how enjoyable it is to work on the car.  I haven;t raced yet, so maybe that is it.
later days

< Message edited by FNG RIDER -- 2/10/2012 10:35 PM >

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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 1:01 AM   
clp.eng


 

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From: Lombard, IL, USA
Status: offline 		If anybody's still out there...

I'm very new to R/C trucks.

I've built a 4wd Taxxas Slash from a roller chassis & put in the HobbyWing 1/10 BL & ESC. However, under full acceleration it jerks a couple of times before taking off. If I keep doing that eventually it will run fine. It seems worse w/ 7 cells (3300 & 4200 mAH) than w/ 6 cells (5000mAH). I tried every setting on the ESC (not sure what all of them do yet) & nothing seemed to help. Any ideas? It sure ain't fun running it like this! I have a 13 tooth pinion but it did the same w/ the stock 11 tooth. Thanks.

Chuck

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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 2:31 AM   
phmaximus



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Status: offline 		By the sounds ur batteries can't supply enough amps to the motor under acceleration from a dead stop.
U need to get a lipo the nimh batteries just don't cut it


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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 3:13 AM   
FNG RIDER


 

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From: Los Angeles, CA, USA
Status: offline 		It's not the batteries it sounds like the motor is cogging, It may not be the correct motor for the Slash 4x4.


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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 3:26 AM   
tabrown


 

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From: champaign, IL, USA
Status: offline 		Here is an update on mine, doing a baja build!

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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 3:35 AM   
clp.eng


 

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From: Lombard, IL, USA
Status: offline 		phmaximus - thanks! That's odd because I'm using the same batteries that come w/ the Slash kit! 7 cell NiHm 3300 mAH. I also tried a 6 cell 5000 mAH.

FNG rider - thanks! at low speeds under light acceleration, the motor does cog but once I accelerate through that it runs OK. It's just when I accelate at full throttle it jerks (small burst of speed then it slows down), and then repeats 5 to 8 times & then takes off normally.

What I don't understand is why it gets better as the battery wears down a bit. That just doesn't make any sense to me. I would think it would get worse as the battery voltage starts to drop. What do I know! LOL

Chuck

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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 3:54 AM   
FNG RIDER


 

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Joined: 12/4/2011
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From: Los Angeles, CA, USA
Status: offline 		Your motor is cogging, a skipping or balking that occurs on sensorless brushless motors.  Your motor is probably a high speed motor not designed for the heavier SC trucks.  You can either gear lower with a smaller pinion or change to a sensosred system with both sensored esc and motor.  You should consider a change to a high torque motor which is designed specifically for a Short Course 4x4 truck.  For example the Mamba Max Pro SC 3800k sensored   or a Tekin 4600k sensored motor and ESC.  If you have the stock Brushless motor and speed control, they work fine and are fast.


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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 3:08 PM   
clp.eng


 

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Status: offline 		FNG Rider - thanks for the follow up. The motor I have is an 8.5T 4000kV. I'll try the lower pinion again. Nothing in the ESC programming can help this??

Chuck

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RE: The Official Traxxas 4wd Slash Thread... - 9/25/2012 5:10 PM   
FNG RIDER


 

Posts: 67
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From: Los Angeles, CA, USA
Status: offline 		I'm not familiar with your motor, but it is not suitable for a SC truck. 


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RE: The Official Traxxas 4wd Slash Thread... - 9/27/2012 12:39 AM   
clp.eng


 

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Status: offline 		phmaximus - you got me thinking about how the different chemistry packs work. I need to do some research!

I borrowed a 3S & 2S LiPo from my neighbor. The 3S was so "strong", I couldn't accelerate at full speed because the slipper clutch started slipping! But was it FASSSST. Then I tried a 2S & it was fast & absolutely no "jerking" during accelration & it was fast enough to be difficult to control! I just orded a 2S 5700mAH 50C pack! Thanks!

Chuck

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RE: The Official Traxxas 4wd Slash Thread... - 10/1/2012 12:06 PM   
brianjskora



Posts: 428
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From: , VA, USA
Status: offline 		Backyard Track - jumps changed a little



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RE: The Official Traxxas 4wd Slash Thread... - 12/1/2012 5:42 PM   
ShoestringRacer



Posts: 906
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Last Login: 12/17/2012
From: , , USA
Status: offline 		hey guys can you give me some battery suggestions for lipos..

I've only run on the included 7-cell nimh but I'm looking to buy a 2s and 3s lipo with about 5000mah preferably with the Traxxas plug already installed. Any suggestions with links would be great thanks.

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RE: The Official Traxxas 4wd Slash Thread... - 1/10/2013 2:38 AM   
nave88


 

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From: medford, OR, USA
Status: offline 		What you guys think my first paint job it's a slightly changed Chevy pearl blue those flakes pop like crazy outside I don't even want to drive it cause it's so pretty lol[youtube][/youtube]

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RE: The Official Traxxas 4wd Slash Thread... - 1/10/2013 2:45 AM   
FNG RIDER


 

Posts: 67
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Joined: 12/4/2011
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From: Los Angeles, CA, USA
Status: offline 		I have two bodies, a beater for practicing and and shiney clean one for racing. so far the beater is over 2 1/2 years old, taped shoe gooed and patched. Sooner or later the shiney body will become the beater. and so it goes. have fun with that; )

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RE: The Official Traxxas 4wd Slash Thread... - 1/11/2013 3:15 AM   
nave88


 

Posts: 200
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From: medford, OR, USA
Status: offline 		This body is already my beater we had a session at work that got a little carried away... I destroyed that body, both bumpers, a shock tower, the drive shaft and slipper rod both bent and seized the motor. (Face palm) the motor was able to rebuild the rest was replaced I did all my bearings and some new screws plus a fan for the motor. this truck can take a hell of a beating

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RE: The Official Traxxas 4wd Slash Thread... - 1/12/2013 2:52 PM   
nave88


 

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From: medford, OR, USA
Status: offline 		Sux this thread is so dead hope the other slash 4x4 ones are ok

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RE: The Official Traxxas 4wd Slash Thread... - 3/12/2013 10:39 AM   
trx1


 

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From: muncie, IN, USA
Status: offline 		Working on my slash 4wd.picked out a bug body for it, also a set of rpm arms also. Has a set of street tires on it.
went with metallic blue.
just picked up this
http://www.duratrax.com/motors/dtxc3164.html
its DTXC3164 Onyx 1/10 Scale 3930kV Brushless System version.
also got this
http://dynamiterc.com/Products/Default.aspx?ProdID=DYN1071T

< Message edited by trx1 -- 3/14/2013 12:53 AM >

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Electric Off-Road Trucks, Buggies, Truggies and more >> RE: The Official Traxxas 4wd Slash Thread...
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