RCCrawler Forums

mascman · 01-28-2007, 08:43 PM

If someone wanted to build their own chassis, what is better?

Are their any major advantages or disadvatages to either?

The 60/40 seems like it would be a little more work in that you would have different length links.

There are not a lot of kits in stock anywhere so i was thinking about fabbing one up. The basic design looks the same in a lot of the chassis' being offered.

carbonuts · 01-28-2007, 08:45 PM

i run a 60/40 set up on my sw2 and love it

Wrecker · 01-28-2007, 08:47 PM

I like a 50/50 setup myself.

TwistedXT · 01-28-2007, 08:47 PM

60/40

420ZIP · 01-28-2007, 08:48 PM

I have ran both on my SW2. Currently running 50/50 chassis. Works great.

dieselfuel · 01-28-2007, 08:51 PM

60/40 obviously helps transfer the weight forward. 50/50 helps breakover angle. i ran 60/40 on my sw2 and it performed great, my J2 is 50/50 and the breakover angle is amazing.

Rob92k1500 · 01-28-2007, 10:27 PM

I run 50/50, but i have tried both in my VMG and I ilike the 50/50 setup better myself.

Tanis · 01-28-2007, 10:45 PM

If you are doing a lot of vertical stuff, 60/40 works better. 50/50 works better all around as the truck is more balanced.

Wrecker · 01-28-2007, 11:00 PM

Quote:

Originally Posted by Tanis

If you are doing a lot of vertical stuff, 60/40 works better. 50/50 works better all around as the truck is more balanced.

Exactly. 60/40 is great for steep climbs but it suffers compared to a 50/50 on steep decents. I personally run as much up as I do down so the 50/50 is the way to go. Either one set-up properly with weights in the wheels can perform great.

Red Rockcrawler · 01-28-2007, 11:18 PM

I run 50/50 but want to try 60/40 to get more weight up front but for overall crawling 50/50 works great.

mascman · 01-29-2007, 02:54 AM

I will most likely be doing a 50/50 setup after hearing what everyone has to say. It will probably be the better choice for a noob like me.

I was actually leaning towards the 60/40 because I assumed it was the better way to go...weight on the front and all.

Thanks everyone!

I've been doing a lot of research...mostly in the TLT section since that is the platform I'm building IF the kit ever gets here!

I haven't found a thread specifically dedicated to building your own chassis. I've read some people's project threads, but was looking for a thread with maybe some kind of "How To" instruction.

Rckcrwlr · 01-29-2007, 05:03 AM

Mascman,
I run 60/40 on my SW2. It will climb anything....Going back down requires some finese. The key to a 60/40 is balancing the weight. If you can keep the weight equal or a little lighter in the back you fix the problem of flipping.

mascman · 01-29-2007, 05:24 AM

Quote:

Originally Posted by Rckcrwlr

Mascman,
I run 60/40 on my SW2. It will climb anything....Going back down requires some finese. The key to a 60/40 is balancing the weight. If you can keep the weight equal or a little lighter in the back you fix the problem of flipping.

Do you mean flipping backwards when climbing or forwards when ascending?

Since I'm new to this, let me try to get some clarification.

On a 50/50 rig, the links and weight bias are pretty much split...balance point is in the middle.

On a 40/60 (actually) the rear will be slightly longer, right? The balance point is slightly forward.

Rckcrwlr · 01-29-2007, 05:45 AM

Ascending the AZZ will come over. You need to make sure that you have some weight in the back.

Big Mike · 01-29-2007, 06:38 AM

I built a 50/50. I've been looking at it and driving it lately wondering what it would be like with a longer rear end.
It seems topheavy trying to ascend, that is my major reason. Flips over backwards easy. I thought going 55/45 or 60/40 might help the breakover angle (If I do try this I'm not going to worry about keeping the wheelbase the same length of 12.5" - I'll just make longer rear links and driveshaft) but some of you guys seem to disagree.
Hmmm, if I make 4 more links and 1 more driveshaft, I could just swap back and forth and really test things.

Big Mike · 01-30-2007, 10:07 AM

Too easy - My lower links are 1/2" longer than my uppers. I made 2 new lower links 1/2" longer and used the old lower links for the upper links. Another hand-made dogbone and I'm rolling again. Wheelbase is now 13 1/4", and it looks to be about a 55/45 setup by eyeball.
Due to incoming product I had to disassemble my indoor test facility, so I won't really know till this afternoon.

Natedog · 01-30-2007, 10:39 AM

Quote:

Originally Posted by Rckcrwlr

Ascending the AZZ will come over. You need to make sure that you have some weight in the back.

Think ya mean descending...going down...

Quote:

Originally Posted by Big Mike

I built a 50/50...Flips over backwards easy. I thought going 55/45 or 60/40 might help the breakover angle (If I do try this I'm not going to worry about keeping the wheelbase the same length of 12.5" - I'll just make longer rear links and driveshaft) but some of you guys seem to disagree.
Hmmm, if I make 4 more links and 1 more driveshaft, I could just swap back and forth and really test things.

If you don't keep the wheelbase the same, it makes proper setup comparison between the two rather difficult. Nice to have two setups like that to just swap back and forth for on the spot comparison between the two under exact same conditioins and obstacles!

rockbender · 01-30-2007, 11:28 AM

I have a 60/40 Set up on my Koala Dam near climbs anything vertical. I kept up with a super this weekend at the local get together. I went everywhere he went no problem up or down.
The terrain was a little easier than what I am used to.

rockbender · 01-30-2007, 11:32 AM

here is a pic of my rig

rockbender · 01-30-2007, 11:34 AM

I have no problems on downhill or uphill climbs. Everybody at the GTG this weekend saw that.
BY the way all the guys at SO CAL Rockcrawlers Are all great people.
RCP Guys Great guys too.

01-28-2007, 08:43 PM	#1
mascman Rock Crawler Join Date: Feb 2004 Location: Near Pittsburgh, PA Posts: 911	50/50 or 60/40 Chassis? If someone wanted to build their own chassis, what is better? Are their any major advantages or disadvatages to either? The 60/40 seems like it would be a little more work in that you would have different length links. There are not a lot of kits in stock anywhere so i was thinking about fabbing one up. The basic design looks the same in a lot of the chassis' being offered.

01-30-2007, 11:32 AM	#19
rockbender Pebble Pounder Join Date: Dec 2004 Location: Acton Posts: 176	here is a pic of my rig Attached Images

01-28-2007, 08:45 PM	#2
carbonuts Quarry Creeper Join Date: Jul 2006 Location: I didn't build that course. Posts: 479	i run a 60/40 set up on my sw2 and love it

01-28-2007, 08:47 PM	#3
Wrecker [HOONIGAN] Join Date: Nov 2005 Location: Grand Junction Posts: 4,269	I like a 50/50 setup myself.

01-28-2007, 08:47 PM	#4
TwistedXT Powered by Awesome Join Date: Sep 2004 Location: Parker, Colorado Posts: 3,622	60/40

01-28-2007, 08:48 PM	#5
420ZIP Quarry Creeper Join Date: Apr 2006 Location: BND Posts: 197	I have ran both on my SW2. Currently running 50/50 chassis. Works great.

01-28-2007, 08:51 PM	#6
dieselfuel I wanna be Dave Join Date: Jan 2006 Location: Henderson/Las Vegas, NV Posts: 5,032	60/40 obviously helps transfer the weight forward. 50/50 helps breakover angle. i ran 60/40 on my sw2 and it performed great, my J2 is 50/50 and the breakover angle is amazing.

01-28-2007, 10:27 PM	#7
Rob92k1500 Quarry Creeper Join Date: Jan 2006 Location: Redmond Posts: 275	I run 50/50, but i have tried both in my VMG and I ilike the 50/50 setup better myself.

01-28-2007, 10:45 PM	#8
Tanis Keep it real Join Date: Jun 2006 Location: Yakima,WA Posts: 6,532	If you are doing a lot of vertical stuff, 60/40 works better. 50/50 works better all around as the truck is more balanced.

01-28-2007, 11:18 PM	#10
Red Rockcrawler Trying to have Fun Again Join Date: Apr 2006 Location: In your fridge stealing a beer Posts: 2,923	I run 50/50 but want to try 60/40 to get more weight up front but for overall crawling 50/50 works great.

01-29-2007, 02:54 AM	#11
mascman Rock Crawler Join Date: Feb 2004 Location: Near Pittsburgh, PA Posts: 911	I will most likely be doing a 50/50 setup after hearing what everyone has to say. It will probably be the better choice for a noob like me. I was actually leaning towards the 60/40 because I assumed it was the better way to go...weight on the front and all. Thanks everyone! I've been doing a lot of research...mostly in the TLT section since that is the platform I'm building IF the kit ever gets here! I haven't found a thread specifically dedicated to building your own chassis. I've read some people's project threads, but was looking for a thread with maybe some kind of "How To" instruction.

01-29-2007, 05:03 AM	#12
Rckcrwlr I wanna be Dave Join Date: Nov 2005 Location: Here Posts: 7,317	Mascman, I run 60/40 on my SW2. It will climb anything....Going back down requires some finese. The key to a 60/40 is balancing the weight. If you can keep the weight equal or a little lighter in the back you fix the problem of flipping.

Sponsored Links

01-29-2007, 05:45 AM	#14
Rckcrwlr I wanna be Dave Join Date: Nov 2005 Location: Here Posts: 7,317	Ascending the AZZ will come over. You need to make sure that you have some weight in the back.

01-29-2007, 06:38 AM	#15
Big Mike I wanna be Dave Join Date: Oct 2006 Location: Martinsburg WV Posts: 2,781	I built a 50/50. I've been looking at it and driving it lately wondering what it would be like with a longer rear end. It seems topheavy trying to ascend, that is my major reason. Flips over backwards easy. I thought going 55/45 or 60/40 might help the breakover angle (If I do try this I'm not going to worry about keeping the wheelbase the same length of 12.5" - I'll just make longer rear links and driveshaft) but some of you guys seem to disagree. Hmmm, if I make 4 more links and 1 more driveshaft, I could just swap back and forth and really test things.

01-30-2007, 10:07 AM	#16
Big Mike I wanna be Dave Join Date: Oct 2006 Location: Martinsburg WV Posts: 2,781	Too easy - My lower links are 1/2" longer than my uppers. I made 2 new lower links 1/2" longer and used the old lower links for the upper links. Another hand-made dogbone and I'm rolling again. Wheelbase is now 13 1/4", and it looks to be about a 55/45 setup by eyeball. Due to incoming product I had to disassemble my indoor test facility, so I won't really know till this afternoon.

01-30-2007, 11:28 AM	#18
rockbender Pebble Pounder Join Date: Dec 2004 Location: Acton Posts: 176	I have a 60/40 Set up on my Koala Dam near climbs anything vertical. I kept up with a super this weekend at the local get together. I went everywhere he went no problem up or down. The terrain was a little easier than what I am used to.

01-30-2007, 11:34 AM	#20
rockbender Pebble Pounder Join Date: Dec 2004 Location: Acton Posts: 176	I have no problems on downhill or uphill climbs. Everybody at the GTG this weekend saw that. BY the way all the guys at SO CAL Rockcrawlers Are all great people. RCP Guys Great guys too.

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Thread: 50/50 or 60/40 Chassis?