Cantilever setup - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


Suspension Tech General discussion of suspension for the Ford Ranger.

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  #26  
Old 11-12-2008
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in those pics, take out the leaf springs and replace the shocks with coil-overs.. that's what i want to do

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Originally Posted by elementsenjoi View Post
Out of curiosity, are there any advantages to a cantilever suspension? More room for travel maybe?
yo effectivly get more travel from a shock. say you have a 12" travel shock, that can limit your travel pretty easily on a long travel suspension setup..

the cantilever system is like a lever, and depending on how its designed you can get like twice the travel, for ever inch the shock travels the axle goes two. the only catch is you need twice as heavy springs..

I know someone else can explain it better, but thats the idea.
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  #27  
Old 11-12-2008
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Quote:
Originally Posted by 99ranger4x4 View Post
yo effectivly get more travel from a shock. say you have a 12" travel shock, that can limit your travel pretty easily on a long travel suspension setup..

the cantilever system is like a lever, and depending on how its designed you can get like twice the travel , for ever inch the shock travels the axle goes two.

I know someone else can explain it better, but thats the idea.
Alright, I understand now. Thanks man.
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  #28  
Old 11-12-2008
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thats how it was described to me, good to know i can kinda sorta describe stuff lol..


its also nice when you don't have lots of room to work with or don't want to cut the bed up for some huge shocks.
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  #29  
Old 11-12-2008
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Essentially, cantilever setups are used to maintain a bed while running longer shocks.

The general idea is similar to a pushrod setup on open-wheeled cars... the concept is to start with a link mounted off the axle then connected to a rocker and then the shock is connected to the rocker and mounted on the frame somewhere.

The tricky part is mounting your shock and designing the rocker. Some rocker designs may very well be able to achieve wheel travel twice that of their shock... but then their motion ratio is 0.5 and the shock is working ridiculously hard.

sooo..... yeah that's the concept.
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  #30  
Old 11-13-2008
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I really want to, I just don't know if i can justify it when i could just replace the leaf springs and be fine..
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  #31  
Old 11-13-2008
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theres a company that makes a kit to do this. i seen it in a magazine
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  #32  
Old 11-13-2008
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it can't anywhere near a bolt on kit can it?
maybe the rockers, some tubing and some rod ends, and shocks?


all the pics they posted were of just shocks.. the Ultimate Z71 is using Coil-overs so you still have to 3 or 4 link the axle
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  #33  
Old 11-13-2008
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it would be like doing your sas all over again
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  #34  
Old 11-13-2008
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those pictures are nice to look at, but just looking at them makes me hurt as an engineer. Granted the ones there are only used for shocks, the strength isn't as essential. For coilovers though, there's no way it would hold up. With the pivot in single shear, it would pull out of the frame the first hard bump it saw. Like I said though, it's cool and can be a good idea in theory, I just think it's too complicated for the home builder to build an build right.
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  #35  
Old 11-13-2008
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just needs more bracing and support. you can build it to handle a good solid jump. just over engineer it :D
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Old 11-13-2008
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  #37  
Old 11-13-2008
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Quote:
Originally Posted by FordX4Ranger View Post



kinda like this set up for a JK??
yeah, that looks right
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  #38  
Old 11-13-2008
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Quote:
Originally Posted by Gearhead61 View Post
those pictures are nice to look at, but just looking at them makes me hurt as an engineer. Granted the ones there are only used for shocks, the strength isn't as essential. For coilovers though, there's no way it would hold up. With the pivot in single shear, it would pull out of the frame the first hard bump it saw. Like I said though, it's cool and can be a good idea in theory, I just think it's too complicated for the home builder to build an build right.
I didn't say i was going to do it, I was going to link it and leave the leaf springs on there if possible then take it down to a shop for them to build the cantilever setup

if i do it, I'll be making it all with double shear if possible

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yeah, that looks right
looks like a double shear setup to me.
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  #39  
Old 11-13-2008
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Matt make sure you sit down when they tell you the price. The kit for the JK is right around $5,000 just for the rear and you have to supply new control arms.
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  #40  
Old 11-13-2008
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it won't be that high unless that price didn't include the kings.


but still, its gonna be a few grand in labor probably, and idk if i can justify it.. I'm gonna see what alcan wants for some springs.
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  #41  
Old 11-13-2008
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I talked to alcan there springs are $215 each, with the bushings. These are for there custom springs.
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  #42  
Old 11-13-2008
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I think a kit could be reasonably done, however because of the nature of the rockers' construction, the cost is going to be up, even if it was done in boxed construction and the setup would require a reasonably high skill level to make sure everything cycles the way it's supposed to and doesn't bind or anything goofy like that. I agree with Kyle, too, anything receiving any measure of axial load (ie: something not pivoting) should be double sheer... especially in an application where your **** is being hauled around inside.
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  #43  
Old 11-13-2008
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do it that will be sweet
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  #44  
Old 11-13-2008
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Plus cantilever systems on rangers offer a very smooth ride out of the rear end. Which is pretty nice considering that rangers are pretty bumpy in the rear.
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  #45  
Old 11-13-2008
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Just link it and run a regular set of 14" or so C/O's. You'll save tons of cash.
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  #46  
Old 11-13-2008
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I'll see what happens..

If i can get a job I'll finish what i need, cross over steering, gear/lock the rear and a front drive shaft.. then I'll start looking into getting a nice welder and go from there.. its getting linked one way or another.
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  #47  
Old 11-13-2008
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Quote:
Originally Posted by Shaklakan View Post
Plus cantilever systems on rangers offer a very smooth ride out of the rear end. Which is pretty nice considering that rangers are pretty bumpy in the rear.
mine rides pretty nice with that bumper and a lot of scrap in the bed.. the front having little to no up travel is what hurts
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