RCCrawler Forums

opek · 10-23-2011, 12:27 PM

I'm trying to find information about how changing the lower link length (wheelbase remains constant) affects suspension design and tuning. I can only find people discussing prefab kits for Jeeps when searching for long arm or short arm suspension.

What kind of words should I be plugging into Google to get this information! Thanks!

Are there good, scientific, definitive books on the 4 link? Which ones should I read? Thanks a million!

Trubble · 10-23-2011, 02:19 PM

four link design

This page has a bunch of measuring info on it and reccomendations on some books to look out for. With the small measurements (and equally small adjustments) we use in R/C, this may get to be a rather tedious and largely academic study.

I was searching for info on triangulation, but have reverted back to a more neanderthal approach of just makin' what I'm thinkin' of and see if it flies.

opek · 10-23-2011, 03:33 PM

In specific, right now, I'm curious about short lower links vs. long lower links - a short skidplate vs. a long skidplate. That is a pretty specific part of the suspension and I do have lots of other thoughts and questions, so I would really like a big and fat technical resource I can pour some time into. More learning always produces more questions.

I'm no math whizz but I don't mind getting dirty and am not turned off when I have to skim some sections I cannot understand. So point me towards the interesting and challenging stuff!

Thanks again!

opek · 10-24-2011, 07:20 AM

I haven't seen any books specifically about multi link suspensions, most suspension design books seem to be about on road vehicles. This seems like the most general book to discuss some o the information I'm interested in, but I would love some input! I will probably head to one of the local university's libraries after work to check them out. Even if there are no answers in the book (which I assume there aren't) I would like to know why there are no answers or why I am trying out a bunch of different parts and settings.

http://www.amazon.com/Terramechanics...9462231&sr=1-1

JKMotorsports · 10-25-2011, 05:15 PM

Don't know if it helps, but how I start to lay out my real rigs.
http://mysite.verizon.net/triaged/fi...rLinkV3.1d.zip

10-23-2011, 12:27 PM	#1
opek Rock Crawler Join Date: Jun 2011 Location: San Diego Posts: 698	Direct me to search terms and technical jargon regarding link length! I'm trying to find information about how changing the lower link length (wheelbase remains constant) affects suspension design and tuning. I can only find people discussing prefab kits for Jeeps when searching for long arm or short arm suspension. What kind of words should I be plugging into Google to get this information! Thanks! Are there good, scientific, definitive books on the 4 link? Which ones should I read? Thanks a million!

10-24-2011, 07:20 AM	#4
opek Rock Crawler Join Date: Jun 2011 Location: San Diego Posts: 698	I haven't seen any books specifically about multi link suspensions, most suspension design books seem to be about on road vehicles. This seems like the most general book to discuss some o the information I'm interested in, but I would love some input! I will probably head to one of the local university's libraries after work to check them out. Even if there are no answers in the book (which I assume there aren't) I would like to know why there are no answers or why I am trying out a bunch of different parts and settings. http://www.amazon.com/Terramechanics...9462231&sr=1-1 Last edited by opek; 10-24-2011 at 07:26 AM.

10-23-2011, 02:19 PM	#2
Trubble Proverbial threadkiller Join Date: Feb 2011 Location: Central Wisconsin Posts: 1,453	four link design This page has a bunch of measuring info on it and reccomendations on some books to look out for. With the small measurements (and equally small adjustments) we use in R/C, this may get to be a rather tedious and largely academic study. I was searching for info on triangulation, but have reverted back to a more neanderthal approach of just makin' what I'm thinkin' of and see if it flies.

10-23-2011, 03:33 PM	#3
opek Rock Crawler Join Date: Jun 2011 Location: San Diego Posts: 698	In specific, right now, I'm curious about short lower links vs. long lower links - a short skidplate vs. a long skidplate. That is a pretty specific part of the suspension and I do have lots of other thoughts and questions, so I would really like a big and fat technical resource I can pour some time into. More learning always produces more questions. I'm no math whizz but I don't mind getting dirty and am not turned off when I have to skim some sections I cannot understand. So point me towards the interesting and challenging stuff! Thanks again!

10-25-2011, 05:15 PM	#5
JKMotorsports Pebble Pounder Join Date: Oct 2011 Location: Exeter Ontario Posts: 156	Don't know if it helps, but how I start to lay out my real rigs. http://mysite.verizon.net/triaged/fi...rLinkV3.1d.zip

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