Slipper vs shackles, and equalizers.. - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 04-17-2019, 03:21 AM   #1 (permalink)
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Slipper vs shackles, and equalizers..

I'm having a custom 7x16 narrow track enclosed trailer built for the yukon highway, so I can specify axles etc.. Since I'm installing two 50 gallon water tanks and the trailer will be packed with as much glamping gear I can stuff in plus a few motorcycles, Ive decided to over build and install two 7k 8 lug axles, on 3500# springs. No torsion axles or independent please..

That's as much as Ive decided so far, and now need to pick which style or manufacturer of leafs I want.

Someone suggested slipper springs and I see redline makes a slipper equalizer kit, but trailerguys.com suggests shackles are better.

And others have suggested dampened equalizers like the LCI Equa Flex or CRE3000 by morryde.. Lippert makes another called the Centerpoint equalizer which uses air bags instead of rubber.

What Tandem leaf spring suspension would you suggest?
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Old 04-17-2019, 04:36 AM   #2 (permalink)
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If you really like the fancy pants air spring setup just build a camelback style suspension or some variant thereof like you typically find on the rear of medium and heavy trucks that are expected to see lots of use on uneven ground. It's the same principal of operation but with a leaf spring to provide the spring force instead of an air bag.
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Old 04-17-2019, 07:00 AM   #3 (permalink)
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I have shackles on my equipment trailer and I’ll be converting it to slipper springs as soon as I have time. I literally replace the hardware and bushings yearly and it’s always pounded right out and it might see 20,000 km a year.

I’ll do slipper springs with proper rubber bushings instead of the little plastic sleeve garbage. Less moving parts should last longer I hope.
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Old 04-17-2019, 07:52 AM   #4 (permalink)
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Quote:
Originally Posted by arse_sidewards View Post
If you really like the fancy pants air spring setup just build a camelback style suspension or some variant thereof like you typically find on the rear of medium and heavy trucks that are expected to see lots of use on uneven ground. It's the same principal of operation but with a leaf spring to provide the spring force instead of an air bag.
Ive heard it called walking beam but either way Id agree. Problem is I can only find The Timbrin Tandam Silent Ride unless I look in australia. Also, I want to use over rated axles and the Timbrin wont allow that. Plus, the bushings for the tandem Silent Ride are going to take hella twisting motion if the left front and right rear drops in a rut at the same time. That's allot of twisting on the control arms when one arm is up and other down on same axle.. The design looks vulnerable to traveling over a obstacle that's not parallel to the axles, but its running two straight axles like I want..

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I have shackles on my equipment trailer and I’ll be converting it to slipper springs as soon as I have time. I literally replace the hardware and bushings yearly and it’s always pounded right out and it might see 20,000 km a year.

I’ll do slipper springs with proper rubber bushings instead of the little plastic sleeve garbage. Less moving parts should last longer I hope.
Thanks wahlstrom.. Is there a brand or kit your looking at?
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Old 04-17-2019, 12:14 PM   #5 (permalink)
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Quote:
Thanks wahlstrom.. Is there a brand or kit your looking at?
Nothing in particular, just whatever my local trailer shop carries. Canít go wrong with anything name brand though as far as Dexter/Standens/Timbren etc.
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