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        Help! EXCEED 1/8 MAD TORQUE Rock Crawler

#1 dwtriac23 Nov 09, 2012 04:24 PM

EXCEED 1/8 MAD TORQUE Rock Crawler
 
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I have a 1/8 scale Mad Torque rock crawler and love it, it goes over anything and climbs very steep inclines. It works great but occasionally the steering will start twitching back and forth. At first I thought it was interference but it will happen at different locations. I also added the front linkage kit and servo so it has 4 wheel steering, what a difference!
Does anyone elso have this problem? Any solutions?

#2 rcphreak Nov 10, 2012 07:21 PM

no twitch yet for me . just a thought have you been in any water ?? also its 2.4g right ??

#3 dwtriac23 Nov 11, 2012 01:35 PM

no water, yes 2.4g
I wish it had a 3rd channel I would like to add a snow plow to the front

#4 rcphreak Nov 11, 2012 05:47 PM

unfortunatly youd have to get a gt3b with reciver as these will not bind with them .

#5 hoghead5150 Nov 12, 2012 01:54 PM

did the twitching start AFTER you added th 4ws? what transmitter are you using, and how did you wire up your 4ws?

#6 rcphreak Nov 12, 2012 04:34 PM

it comes with the flysky gt-2 2.4g transmitter /reciver .also what brand servos are you using ?? are they matched ?? and last are they digital or analog servos .

#7 hoghead5150 Nov 12, 2012 06:24 PM

what i was getting at was with 4ws how is he controlling it? does the radio have 4ws mix, or did he use a y harness and running the front and rear off the same receiver output. may be over taxing the bec.

the flysky gt3b (or c) would be a good choice as an upgrade. i would get one from overkillrc and have it hacked from the start. great radios once you get them hacked!!

#8 rcphreak Nov 12, 2012 07:52 PM

it may be taxing it as there is no mixing or a 3rd channel on this tx/trx especialy if using savox / align servos i have a gt3b but need to hack it just cant find the time . is there a hack kit per say that you would or have used ??

#9 hoghead5150 Nov 12, 2012 11:49 PM

overkillrc. he is "losikid" over on rccrawlers.com

you can get the kit from him, or you can buy the transmitter already done up. he also has the bearing mods for the steering wheel, liFe/lipo conversions and some other stuff. i've used a hacked gt3b and it works very well.

#10 dwtriac23 Nov 14, 2012 12:57 AM

yes I have a Y harness

#11 hoghead5150 Nov 14, 2012 12:04 PM

so when did the twitching start??

#12 dwtriac23 Nov 15, 2012 10:32 AM

not sure, can't remember. I did the 4 wheel steering conversion shortly after I bought the truck.

#13 hoghead5150 Nov 15, 2012 10:46 AM

ok, so since we are NOT going to get much info from you, here is a list of things that could be causing the problem

receiver
servo (or servo's since 4ws)
wiring
battery
esc

#14 rcphreak Nov 16, 2012 04:59 PM

what he said ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

also try unhooking the extra servo quick way to find out if thats the cause .
also video of it doing it / running will help .

#15 dwtriac23 Nov 18, 2012 10:15 AM

good idea, thanks for the help


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