Axle-Less AxleLess Suspension - TIMBREN - Fiberglass RV


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Old 05-03-2013, 02:09 PM   #1
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Axle-Less AxleLess Suspension - TIMBREN

Part of my 'trailer education'.... Axle!!

I'm not too impressed with what modern production does with anything suspension related. Torsion bar, leaf spring..... This seems so old and rudimentary. My first initial wish was a pneumatic suspension but then, I came across the Timbren axle-less design. VERY attractive.... to the point I was sure to find some opinion on this very forum. I didn't find anything.

- If this has been debated on other thread, could you please direct me?
- If this is new, then I would love to hear your point of views (regardless of cost for now!)

An important point : We live (and travel mostly) in Quebec where roads are pretty rough to put it mildly! My first utility trailer had basic torsion bar design and our trailer content was badly shaken. Then I bought an old East German model with a long travel horizontal suspension (photo). It made all the difference. I now carry our grocery in it (tomatoes... Bananas....!!). For me a good suspension is less stress on content and - for a camper- on overall structure, cabinets, door, etc.....
Hence the Timbren design.....
(it's available with the brake flange)

Thank you for your input.
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Trailer_spring_susp_02.jpg   Timbren_Axle-Less_brochure_a.jpg  

Timbren_Axle-Less_brochure_b.jpg  
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Old 05-03-2013, 02:40 PM   #2
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It looks interesting, although I suspect alignment could be difficult & the video is a bit misleading since the camera is attached to the trailer, making it look like a much smoother ride than it actually is - check the background...
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Old 05-03-2013, 03:14 PM   #3
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I had considered them for our Scamp 13' when I needed to replace our axle, but ended up purchasing a Flexi-ride so I could adjust the ride height of the trailer for times we will be really off road with our Jeep group.
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Old 05-03-2013, 03:17 PM   #4
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"Old and Rudimentary" yep, that's about 99% of us and, for the most part, it still works just fine.

Small FGRV's are such a niche market that we are lucky to even have more than a few builders to choose from, much less try to find something outside the profit box.

On the Starcraft P'up my son and I are rebuilding, we are following the somewhat standard off-road prep. practices of flipping the axle and increasing tire size to make it more viable on the roads less travelled behind his Jeep Cherokee.

However, if you want to take your trailer off-road this might provide an answer, albeit requiring a possible redesign of the frame as well as ones bank account.

There are several offroad sites, where "suspension travel" is king, that deal with these issues as well as a forum in the pop-up trailer group, popupportal.com.

As for us, we just pack out tomatoes and eggs a little more carefully, it's a lot easier and much cheaper.
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Old 05-03-2013, 03:18 PM   #5
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I like it- especially the ground clearance component. Could make a big difference for those of us that go off-road. But maybe not so much on trailers with a lot of other stuff on the underbelly (black pipes etc.)

The price and do-it-yourself potential is most intriguing, too: a 3500 pounder is only $540.00 here.

Puttin' in my files....

Francesca
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Old 05-03-2013, 03:55 PM   #6
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Their website has some pdf available:
Advertising Material 2010

Nice constructive comments so far..... Cheers
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Old 05-03-2013, 04:21 PM   #7
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Quote:
Originally Posted by Bob Miller View Post
"Old and Rudimentary" yep, that's about 99% of us and, for the most part, it still works just fine.

Small FGRV's are such a niche market that we are lucky to even have more than a few builders to choose from, much less try to find something outside the profit box.

On the Starcraft P'up my son and I are rebuilding, we are following the somewhat standard off-road prep. practices of flipping the axle and increasing tire size to make it more viable on the roads less travelled behind his Jeep Cherokee.

However, if you want to take your trailer off-road this might provide an answer, albeit requiring a possible redesign of the frame as well as ones bank account.

There are several offroad sites, where "suspension travel" is king, that deal with these issues as well as a forum in the pop-up trailer group, popupportal.com.

As for us, we just pack out tomatoes and eggs a little more carefully, it's a lot easier and much cheaper.
Off road isn't an option for us. It's the overall road condition here, potholes, cracks you name it. The smoothest option is required here, believe me!!
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Old 05-03-2013, 04:26 PM   #8
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Not to bring up "Old and Rudimentary" again (but I will anyway), but don't U-Hauls use a similar system of no axle suspension.

Quote:
Originally Posted by franck2cv View Post
Off road isn't an option for us. It's the overall road condition here, potholes, cracks you name it. The smoothest option is required here, believe me!!
I understand, sorta like intown Los Angeles, the city with the worst streets in America.
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Old 05-03-2013, 04:32 PM   #9
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Interesting alternative. With no axle between sides, it would put a strong moment (twist) on the frame rail, so one would need to have a tubular frame member to resist that twisting action.

I wonder if the bushing and rubber spring are easily replaceable.
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Old 05-03-2013, 06:02 PM   #10
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Quote:
Originally Posted by Bob Miller View Post
"Off road isn't an option for us. It's the overall road condition here, potholes, cracks you name it. The smoothest option is required here, believe me!!"

I understand, sorta like intown Los Angeles, the city with the worst streets in America.
Really.... And they can't blame the winter climate in California !!!!
Is that City streets only or country road are to blame as well 'cause the problem here is pretty much across the whole province!
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Old 05-03-2013, 06:07 PM   #11
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Quote:
Originally Posted by Thomas G. View Post
Interesting alternative. With no axle between sides, it would put a strong moment (twist) on the frame rail, so one would need to have a tubular frame member to resist that twisting action.

I wonder if the bushing and rubber spring are easily replaceable.
There's a 'female' square section meant to receive a beam to prevent side stress whilst cornering.

And yes, one of the point I really like is that all the parts are easily replaceable.
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Old 05-03-2013, 06:33 PM   #12
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axle=less comparison

Etrailer has an article on axle less suspension, comparing it to traditional suspensions.


Timbren Axle-Less Trailer Suspension System - Straight Spindle Only - 3,500 lbs Timbren Trailer Suspension ASR3500S05
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Old 05-03-2013, 06:47 PM   #13
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In case anyone's wondering (as I did) about brakes- this system can be purchased with electric brake hubs, too....about a hundred and twenty dollars more.

I've always intended to buy a Flexiride if my original "Rub-R-Ride" ever wears out- but I'm definitely intrigued by this new-to-me suspension type.


Thanks for the heads up, Franck!

Francesca
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Old 05-03-2013, 08:02 PM   #14
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I've looked at these for awhile now - but I've never found an independent review of the Timbren trailer suspensions. If anyone has seen one, please post it.

Thanks.
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