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  1. #1
    RC poster
    Join Date
    Sep 2011
    Location
    oregon
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    16

    under steer issues

    my truck plows alot in hard corners, i was thinking bout adding some weight to the front maybe around the a-arms or something. because at the moment the only way i can negotiate tight corners is to peg it and drift but that loses speed more often then not. so i was wondering if maybe metal front arms and bearing carriers could solve that by adding some weight and help balance the weight more. i run mostly on loose surfaces, and snow. i run the stock bf Goodrich replica tires and i love them so i'd like to stick with them and still have the grip that i want. i know one of you guys has a solution, help me please.
    Did my truck just scream medic?!

  2. #2
    RC Enthusiast
    Join Date
    Dec 2011
    Posts
    31
    Have you tried other tires? Night and Day difference. I run j concepts bar codes and it just dives into corners. Handles more like it should

    Sent from my SCH-I510 using Tapatalk

  3. #3
    RC Champion
    Join Date
    Nov 2011
    Location
    North Central OH
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    1,050
    Don't load weight on that is not a good corrective approach in my opinion.
    Is your vehicle stock, any mods to shocks or tires?
    If the rears have better bite they will push your through or into a corner, if you back off let the weight transfer forward to the front tires and make your turn and accelerate it might help. Certainly a better gripping front tire will be very very helpful in making it turn. Also proper alignment set up will help, Traxxas has info on the site for race set up settings.

    Have you changed anything in the differential, if the diff action is tight it will also make the vehicle push/plow more.

    Adding weight will only 'load' the suspension more and make it less useful and cause more weight transfer or roll when you turn and likely make the vehicle less stable.

    Speed influences steerability, sometimes slower will be faster

  4. #4
    RC Turnbuckle Jr.
    Join Date
    Oct 2009
    Location
    Springfield, MO
    Posts
    3,679
    If you carve out the front stop on the battery tray, you can mount the battery further forward. This will get you the additional weight on the front wheels you want, without adding any weight to the truck.




  5. #5
    RC Champion
    Join Date
    Nov 2011
    Location
    North Central OH
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    1,050
    Now if we could make that a a 'weight transfer' set up we could benefit for both traction and steering LOL
    I just keep looking at that weight behind the rear axle, that can't help with the motor hanging that far back.
    I like the idea of having room to adjust battery placement, hmmmm another little mod to do LOL

  6. #6
    RC Turnbuckle Jr.
    Join Date
    Oct 2009
    Location
    Springfield, MO
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    3,679
    Yep the tray is very long if you carve it out. I keep thinking 2 little 3 cell batteries end to end might fit, letting me run a 6s setup while keeping a stock-ish look.

  7. #7
    RC poster
    Join Date
    Sep 2011
    Location
    oregon
    Posts
    16
    i've been looking into new shocks the ones i have are dying out. they are the stock ones. and so far as tires go. i've been looking around i've just been generally uninterested in what i've seen. my diff action is also pretty relaxed.
    Did my truck just scream medic?!

  8. #8
    RC Enthusiast
    Join Date
    Jan 2017
    Posts
    29
    I know this is an old thread but something I found useful other than using a Slash LCG (which will extend your wheelbase and therefore shift some weight to the front) is taking a look at your tires. On my Rustler I actually modified it to where I can put LONGER batteries in it that fit the slash. I cut the back piece off in the rear of the battery tray to fit the much longer 3s 5000mah 25C Traxxas battery. It adds roughly 3oz more to the rear and even with that my handling is excellent. It's all in your setup.

    As far as my suspension settings goes I'm running the stock front shock tower so the camber mounting is all stock but I did set my front camber to 0 degrees. Also I'm running Green Losi 3.5lb/in springs, 35wt oil, and Titanium-coated shafts. In the rear I'm running an STRC shock tower with the top of shock all the way in and the bottom in the second slot. With Pink Progressive springs (10% harder) and 45wt oil. I'm also running 2 degrees camber in the rear. Running Proline Dirt Hawgs in the front and Traxxas Anacondas in the rear, the handling is very smooth and transitions well between oversteer and neutral steer. It only oversteers if I really push it. I've dialed down my drag brake to 0% because it would easily oversteer into a corner if I just coast into it off power.

    So even going the opposite direction (adding MORE weight to the rear) I have a nice handling machine

  9. #9
    RC Enthusiast
    Join Date
    Jan 2017
    Posts
    29
    I'm also using the UPPER camber location on the rear tower to LOWER my rear roll center because the Anacondas are so slippery compared to the Proline Dirt Hawgs.

  10. #10
    RC Enthusiast
    Join Date
    Oct 2016
    Posts
    42
    toe in the front tires move them so the top of the tire goes towards the truck and the bottoms move away i did that with mine because mine under steers as well and it made it more grippy, just dont go crazy with it
    Traxxas Slash Raptor

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