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Old Nov 09, 2012, 04:24 PM
DWTRIAC23
United States, MA, North Andover
Joined Feb 2012
173 Posts
Help!
EXCEED 1/8 MAD TORQUE Rock Crawler

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?
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Last edited by dwtriac23; Nov 09, 2012 at 04:38 PM.
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Old Nov 10, 2012, 07:21 PM
in memory of dez RIP
rcphreak's Avatar
USA, FL, Fort Myers
Joined Jun 2008
2,493 Posts
no twitch yet for me . just a thought have you been in any water ?? also its 2.4g right ??
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Old Nov 11, 2012, 01:35 PM
DWTRIAC23
United States, MA, North Andover
Joined Feb 2012
173 Posts
no water, yes 2.4g
I wish it had a 3rd channel I would like to add a snow plow to the front
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Old Nov 11, 2012, 05:47 PM
in memory of dez RIP
rcphreak's Avatar
USA, FL, Fort Myers
Joined Jun 2008
2,493 Posts
unfortunatly youd have to get a gt3b with reciver as these will not bind with them .
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Old Nov 12, 2012, 01:54 PM
The wind caused that!!
hoghead5150's Avatar
United States, OK, Poteau
Joined Jul 2012
617 Posts
did the twitching start AFTER you added th 4ws? what transmitter are you using, and how did you wire up your 4ws?
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Old Nov 12, 2012, 04:34 PM
in memory of dez RIP
rcphreak's Avatar
USA, FL, Fort Myers
Joined Jun 2008
2,493 Posts
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 .
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Old Nov 12, 2012, 06:24 PM
The wind caused that!!
hoghead5150's Avatar
United States, OK, Poteau
Joined Jul 2012
617 Posts
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!!
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Old Nov 12, 2012, 07:52 PM
in memory of dez RIP
rcphreak's Avatar
USA, FL, Fort Myers
Joined Jun 2008
2,493 Posts
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 ??
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Old Nov 12, 2012, 11:49 PM
The wind caused that!!
hoghead5150's Avatar
United States, OK, Poteau
Joined Jul 2012
617 Posts
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.
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Old Nov 14, 2012, 12:57 AM
DWTRIAC23
United States, MA, North Andover
Joined Feb 2012
173 Posts
yes I have a Y harness
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Old Nov 14, 2012, 12:04 PM
The wind caused that!!
hoghead5150's Avatar
United States, OK, Poteau
Joined Jul 2012
617 Posts
so when did the twitching start??
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Old Nov 15, 2012, 10:32 AM
DWTRIAC23
United States, MA, North Andover
Joined Feb 2012
173 Posts
not sure, can't remember. I did the 4 wheel steering conversion shortly after I bought the truck.
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Old Nov 15, 2012, 10:46 AM
The wind caused that!!
hoghead5150's Avatar
United States, OK, Poteau
Joined Jul 2012
617 Posts
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
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Old Nov 16, 2012, 04:59 PM
in memory of dez RIP
rcphreak's Avatar
USA, FL, Fort Myers
Joined Jun 2008
2,493 Posts
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 .
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Old Nov 18, 2012, 10:15 AM
DWTRIAC23
United States, MA, North Andover
Joined Feb 2012
173 Posts
good idea, thanks for the help
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