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04-21-2012, 03:10 PM | #1 |
Newbie Join Date: Sep 2011 Location: springfield
Posts: 9
| super bully keeps bending steering
Hi Everyone, I hope this is the right place for this question. I am using a set of super bullies (un-modified) and I keep bending the long bolt on my rear steering sending the rig into a crab-walk, and making the rear steer useless. The bolt I am having issues with is seen in the red circle here: I have even purchased titanium screws from rc4wd assuming that they would be stronger but this is the result: I have searched the forums and found no definitive answer or easy way to fix this. I don't have access to machine tools or supplies at the moment, so I will probably have to purchase a solution. Can someone please point me in the right direction? Thanks in advance |
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04-21-2012, 04:00 PM | #2 |
I wanna be Dave Join Date: Dec 2006 Location: Goin broke losing weight.....
Posts: 2,262
| Re: super bully keeps bending steering
Its bending because your drag link is mounted so high, creating to much leverage. Slot your axle tube and mount servo between tube and motor. Your horn will then point forward and be lower, allowing the drag link to be mounted right on top of the tie rod, reducing the leverage on that screw. It will also protect your servo horn better and give better steering throw. |
04-21-2012, 04:01 PM | #3 |
Rock Crawler Join Date: Jan 2007 Location: Viroqua
Posts: 940
| Re: super bully keeps bending steering
Flip the servo, get longer drag link and eliminate the long spacer. That should solve your problem.
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04-21-2012, 04:27 PM | #4 |
Wanna get? Gotta want. Join Date: Apr 2010 Location: SLC, UT
Posts: 7,052
| Re: super bully keeps bending steering
Even if you have the two rod ends stacked without your spacer youre pushing the bolts limits. Ideally, you want to fix your entire steering setup. The tie rod is ok but the servo horn being pointed straight up is putting that drag link on a terrible angle. This give you less steering power and is causing your problems all together. If you dont want to or cant fix your servo I think you would have better luck stacking the rod ends directly on top of each other on the knuckle and then doing some sort of bent drag link. Edit: Guess I cant start and finish a post 30min later |
04-21-2012, 04:28 PM | #5 |
I wanna be Dave Join Date: Dec 2006 Location: Goin broke losing weight.....
Posts: 2,262
| Re: super bully keeps bending steering You could do this, but the ~3/4" gain in tie rod length could still get rod end bind. A bit of bend in the tie rod would eliminate any binding at the knuckle though. This would be an easier solution.
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04-21-2012, 04:30 PM | #6 | |
I wanna be Dave Join Date: Dec 2006 Location: Goin broke losing weight.....
Posts: 2,262
| Re: super bully keeps bending steering Quote:
Lol alike minds..... | |
04-22-2012, 03:28 PM | #7 |
Newbie Join Date: Sep 2011 Location: springfield
Posts: 9
| Re: super bully keeps bending steering
Hi Everyone, thanks for the quick and helpful advice. I'll get working and see what fix will work best for my setup. Erin, do you have a recommended way to properly slot the axle tube? |
04-22-2012, 03:55 PM | #8 | |
I wanna be Dave Join Date: Dec 2006 Location: Goin broke losing weight.....
Posts: 2,262
| Re: super bully keeps bending steering Quote:
You also want to have your servo mount, such as Dlux offers before you start. | |
04-22-2012, 04:03 PM | #9 |
MODERHATER™ Join Date: Nov 2005 Location: Colorado
Posts: 10,939
| Re: super bully keeps bending steering
I've had bad luck running both rod ends on top like that, bent screws or snapped screws, I have seen it ruin top 5 finishes too. I have switched to running the steering link on the bottom of the knuckle.
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04-24-2012, 10:33 AM | #10 |
Newbie Join Date: Sep 2011 Location: springfield
Posts: 9
| Re: super bully keeps bending steering
I flipped the servo and used a longer link to go to the bottom of the knuckle. So far It's working great. I'll try the servo behind the axle at a later date when my metal working skills are more improved. Thanks again for all the help guys.
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Tags |
bully, rc4wd, steering problem, super bully |
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