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10-18-2017, 07:33 PM | #1 |
Newbie Join Date: Oct 2016 Location: where the RC fun is
Posts: 10
| I just I noticed that when I steer my front tires push steer really bad. I just insta
If anyone has any advice that would be great. Sent from my SM-G920P using Tapatalk |
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10-18-2017, 07:57 PM | #2 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
normal for locked differentials...underdrive gears in the rear will help but not get rid of it, overdrive in the front and underdrive in the rear will help more but still not get rid of it and that setup on grippy surfaces will cause the crawler to squat down in front as it rolls forward and raise in the front as it backs up. this is not noticed on trails or rocks or loose dirt.. bottom line is it will never go away unless you go to an open diff in the front and that is not best for a crawler |
10-18-2017, 08:49 PM | #3 |
Rock Stacker Join Date: Sep 2016 Location: United States
Posts: 79
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
Are you referring to the general poor steering radius of the truck or the way your front tires angle funny when turning? If it's the former, then the above post covers it. If it's the latter, then it's due to the links on either the top or the bottom being the wrong length. I'd suggest adjust that so your c hubs (this is most visible with the tires off the truck) are perpendicular to the ground.
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10-18-2017, 11:43 PM | #4 |
Rock Crawler Join Date: Mar 2016 Location: Zagreb, Croatia
Posts: 747
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
That's why I went with underdrive gears in the rear.
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10-27-2017, 02:20 PM | #5 |
Newbie Join Date: Sep 2017 Location: Texas
Posts: 9
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
I have found that running a zero ackermann steering knuckle with just a couple degrees of toe out helps this issue since it will let the front tires track more in the direction they want to even on grippy surfaces. Upgrading your c-hubs to aluminum, along with these two items is about the cheapest and easiest way to do it. I have had no issues with these steering knuckles on my rig. Axial SCX10 Front Hub Steering Conversion Kit https://www.amainhobbies.com/vanquis...s06739/p248496 The steering link included with the knuckles is a soft aluminum and bends easy and isnt the correct length for an scx10. The vanquish one is titanium and contoured so it wont interfere with the front of the diff housing. One thing to be aware of is that you may need to also get some wheel hexes that will widen the track width or your front tire will rub on the link end and knuckles. Just the one downside to a zero ackermann setup with this truck. |
10-27-2017, 05:17 PM | #6 |
I wanna be Dave Join Date: Oct 2007 Location: Castle Rock, WA
Posts: 8,785
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
Y'all haven't even talked about caster! It's cause you probably have too much negative caster. Ie, steering knuckles arms are pointing down into the ground. Aftermarket C-Hubs or shortening the upper links will correct it.
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10-27-2017, 07:55 PM | #7 |
Rock Stacker Join Date: Sep 2016 Location: United States
Posts: 79
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i I did but I neglected to use the proper terminology, I'm usually pretty good about that, oops. From the pictures it does look like he has some fairly significant negative caster which definitely would NOT help his steering.
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11-07-2017, 09:25 AM | #8 |
Rock Crawler Join Date: Mar 2014 Location: Union City, CA
Posts: 621
| Re: I just I noticed that when I steer my front tires push steer really bad. I just i
And if one took the axles apart to grease them and or instal HD gears, double check that you put the C hubs on the correct sides. Swapping them around will immediately ruin caster. I have done this many times when in a hurry or wrenching while tired.
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