RCCrawler Forums

scruff007 · 02-14-2006, 08:13 PM

I just removed the rear servo to go to 2ws and 3 linked it. Sometimes 4ws hurts rather than helps. Now my rear axle has a bit more side to side play in it. Is that normal? Does everyone elses rigs have that? How much juice does a HT servo use. Thought I'd get a bit more runtime with one. I still plan on getting a pede tranny, early bronco or FJ body, axle wideners, better shocks, servo mounts and batteries from Brando, custom chassis and a few other things. Also trimmed lugs on fronts. Still need to sleeve the links and move the lower ones up. Comments welcome. Thanks guys.

BENDER · 02-14-2006, 08:20 PM

Triangulate your upper and lower links, that's why you're getting side to side movement in the axles.

Like so....

scruff007 · 02-14-2006, 08:36 PM

Oh yea. The flex pics.

Tacoma747 · 02-14-2006, 09:06 PM

You can't have a 3-link suspension without a trac bar, or panhard bar, whatever you want to call it. This bar would run on top of the housing, from left to right (or R to L).

Not worth doing, just stick with a 4-link, better control of the axle, maybe slightly less flex, but you can still get LOADS of flex out of a 4-link.

And also, the links need to be triangulated as stated above, nothing is keeping the axle from floating side to side otherwise. If you run a 3-link, they would not be triangulated, but with the panhard/trac bar, that eliminates side-to-side movement.

AdamF · 02-14-2006, 09:10 PM

Hows that a 3 link? I see 4 links there.

Like badger said, you need triangulation.

TwistedCreations · 02-14-2006, 09:33 PM

Yeah like BENDER said, triangulate your 4 link you have.. move the top links out towards the chassis, then move your bottom links in some. the 2 side braces, switch those, put the top one on the bottom and the bottom on top. That would give you a dual triangulated setup

camoTJ · 02-14-2006, 10:36 PM

Quote:

Originally Posted by Tacoma747

You can't have a 3-link suspension without a trac bar, or panhard bar, whatever you want to call it. This bar would run on top of the housing, from left to right (or R to L).

Not worth doing, just stick with a 4-link, better control of the axle, maybe slightly less flex, but you can still get LOADS of flex out of a 4-link.

And also, the links need to be triangulated as stated above, nothing is keeping the axle from floating side to side otherwise. If you run a 3-link, they would not be triangulated, but with the panhard/trac bar, that eliminates side-to-side movement.

sure you can run a 3 link without a trac bar. I havent seen it in r/c's but 1:1's I have seen it a bunch

scruff007 · 02-14-2006, 10:44 PM

4 it is. Going to change it now. Thanks for the comments.

BrandO · 02-15-2006, 06:21 AM

Ya have to bring your truck down one of these days. There is a bunch of little things we could do to make it better. I have a box of goodies you can pick through. Need to see if there is a way to get the battery mounted lower. I was impressed with it at the Bullhole. That little bugger did alright on the rocks. With a little work I think it could be better than the bigger trucks.

Brian and I will be here on Saturday working on his truck. Your always welcome.

02-14-2006, 08:13 PM	#1
scruff007 Quarry Creeper Join Date: Jan 2006 Location: Winston-Salem Posts: 328	latest tlt pics. I just removed the rear servo to go to 2ws and 3 linked it. Sometimes 4ws hurts rather than helps. Now my rear axle has a bit more side to side play in it. Is that normal? Does everyone elses rigs have that? How much juice does a HT servo use. Thought I'd get a bit more runtime with one. I still plan on getting a pede tranny, early bronco or FJ body, axle wideners, better shocks, servo mounts and batteries from Brando, custom chassis and a few other things. Also trimmed lugs on fronts. Still need to sleeve the links and move the lower ones up. Comments welcome. Thanks guys. Last edited by scruff007; 02-14-2006 at 08:19 PM.

02-14-2006, 08:20 PM	#2
BENDER 2006 2.2 National Champ Join Date: Dec 2004 Location: Big Bear Lake Posts: 8,328	Triangulate your upper and lower links, that's why you're getting side to side movement in the axles. Like so.... Attached Images

02-14-2006, 08:36 PM	#3
scruff007 Quarry Creeper Join Date: Jan 2006 Location: Winston-Salem Posts: 328	Oh yea. The flex pics.

02-14-2006, 09:06 PM	#4
Tacoma747 Pebble Pounder Join Date: Feb 2006 Location: Winston-Salem Posts: 158	You can't have a 3-link suspension without a trac bar, or panhard bar, whatever you want to call it. This bar would run on top of the housing, from left to right (or R to L). Not worth doing, just stick with a 4-link, better control of the axle, maybe slightly less flex, but you can still get LOADS of flex out of a 4-link. And also, the links need to be triangulated as stated above, nothing is keeping the axle from floating side to side otherwise. If you run a 3-link, they would not be triangulated, but with the panhard/trac bar, that eliminates side-to-side movement.

02-14-2006, 09:10 PM	#5
AdamF RCC Addict Join Date: Apr 2004 Location: Cincinnati Ohio Posts: 1,673	Hows that a 3 link? I see 4 links there. Like badger said, you need triangulation.

02-14-2006, 09:33 PM	#6
TwistedCreations Colt Python/SR9c Join Date: Feb 2004 Location: out in the shop, reloading ammo! Posts: 8,626	Yeah like BENDER said, triangulate your 4 link you have.. move the top links out towards the chassis, then move your bottom links in some. the 2 side braces, switch those, put the top one on the bottom and the bottom on top. That would give you a dual triangulated setup

02-14-2006, 10:44 PM	#8
scruff007 Quarry Creeper Join Date: Jan 2006 Location: Winston-Salem Posts: 328	4 it is. Going to change it now. Thanks for the comments.

02-15-2006, 06:21 AM	#9
BrandO Rock Crawler Join Date: Aug 2005 Location: Concord, NC Posts: 560	Ya have to bring your truck down one of these days. There is a bunch of little things we could do to make it better. I have a box of goodies you can pick through. Need to see if there is a way to get the battery mounted lower. I was impressed with it at the Bullhole. That little bugger did alright on the rocks. With a little work I think it could be better than the bigger trucks. Brian and I will be here on Saturday working on his truck. Your always welcome.

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