Any Damage From Driving on Rough Roads? - Page 5 - Escape Trailer Owners Community

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Old 01-07-2015, 11:56 PM   #41
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Hhmmmm, I wonder if ETI would build a 21 with springs like on the 5.0 TA?? anyone know the answer?
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Old 01-08-2015, 12:07 AM   #42
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Shocks on Escape 21

I guess I'm still not quite sure shocks are necessary. On the one hand I've read good things about the rubber torsion suspension on forums of horse trailer owners and so on. On the other hand in this Escape forum I've read of fridge and oven doors coming off, giving me doubts about how this suspension handles pot holes. I would be interested in hearing if there are Escape owners out there who haven't had issues with potholes or washboard roads driven at a very cautious speed. Even in our Nash we had to alter the fridge door to prevent it coming loose on rough roads, so putting a strap on a fridge doesn't phase me. Worrying about oven doors shaking loose does concern me, if it is common place on rough roads.

I don't want to invest in shocks if they aren't necessary or make the ride too stiff.

Bob K
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Old 01-08-2015, 12:14 AM   #43
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I broke the bottom shelf on the fridge door, by loading it up with milk, juice and other large containers and driving a washboard, pothole road for 45 minutes at 60 KPH ( 40 MPH ).
I've had the fridge door open on me on the same road so it's now bungee'd.
Other than that, it's all good.
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Old 01-08-2015, 07:39 AM   #44
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rough roads

I've had the torsional axles for over 25 years on many trailers and would not consider anything else if I have a choice. Right now I have a 15 foot tilt bed car/multi motorcycle trailer and the 21. The 21 with tandem axles rides very smooth with one axle at a time hitting the pot holes. I also feel that at least a partial load on a trailer helps. If my single axle car trailer is empty it will bounce some when the road is rough or on pot holes, it does not have a WDH. When I towed a 17 Casita behind the F-150 without a WDH I did bounce a TV off the bed when using the CA truck lane on I-5, a single bar WDH fixed that problem by stoping the bounce of the trailer without adding shocks.
This is my experience!
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Old 01-08-2015, 09:22 AM   #45
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I have no idea whether spring suspension would improve the ride, probably would. I do know that the torsion suspension gives a ride in the trailer that is much much rougher than inside my tug. If you are traveling just slow enough for the ride in your tug to become tolerable, slow down some more because all of the crap in your trailer is likely bouncing around and you are going to break something. I know.
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Old 01-08-2015, 09:29 AM   #46
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Pulling a travel trailer, any brand, has often been described as an earthquake going down the road. What I worry about the most is the plastics inside the refrigerator. Milk jugs and cans bouncing up and down could break the innerds. It can be repaired, but will always be less than attractive. Slowing down for the road conditions seems to be the best advice.
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Old 01-08-2015, 01:57 PM   #47
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Shocks on Escape 21

I appreciate the feedback. I already go very slow when towing on potholed roads, based on past experience with things flying around. Our first trip down a rough road with our Nash (springs & shocks) resulted in our trailer floor and lower wall becoming an art canvas, with Basking Robins Chocoloate Mousse Royal and spaghetti sauce providing the mediums and a cabbage rolling around the floor acting as the paintbrush. It took half and hour to clean up and had me modifying our fridge to prevent a reoccurrence. As long as the Escape's suspension isn't worse than the spring suspension with shocks on the Nash I will be okay with it.

Regardless of whether we can get shocks on the Escape, I plan on following others' leads in securing the fridge door.

I believe that spring suspension without shocks would be a far rougher ride than with the rubber torsion suspension. So if I had a 5.0 TA I would want shocks added. I wonder how the rubber torsion suspension stacks up against that?


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Old 01-08-2015, 03:36 PM   #48
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Quote:
Originally Posted by Bobbito View Post
Also I have a couple of questions about the rubber torsion axles on the Escape 21.

1. Is the range of vertical motion for a wheel with this rubber torsion axle any more or less than if the axle was on springs?

2. Is there any chance that adding shocks might result in too stiff a response to big bumps and potholes?
  1. No, the manufacturer lists this data for all of their suspension systems - including leaf springs - and standard-length leaf springs and Torflex have similar travel. Good question, though. Either type of spring (as well as other types of springs) can be used to custom-build suspensions with longer travel, but the stock systems are all pretty similar.
  2. AL-KO offers shocks (dampers) for their rubber torsion axles in Europe, and has three ratings depending on the mass of the trailer; it is possible to over-damp a suspension. On the other hand, a shock absorber would need to be extremely stiff to be too stiff for a Torflex, and the retrofit kit makes use a commonly available shock which is not too much for even an empty Escape trailer.
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Old 01-08-2015, 03:53 PM   #49
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Quote:
Originally Posted by cpaharley2008 View Post
Hhmmmm, I wonder if ETI would build a 21 with springs like on the 5.0 TA?? anyone know the answer?
I certainly can't speak for ETI, but I have no idea why they would customize the brackets on the frame to mount a suspension which is generally considered inferior and might not fit with the tanks and plumbing under the floor.

Quote:
Originally Posted by Bobbito View Post
I guess I'm still not quite sure shocks are necessary. On the one hand I've read good things about the rubber torsion suspension on forums of horse trailer owners and so on. On the other hand in this Escape forum I've read of fridge and oven doors coming off, giving me doubts about how this suspension handles pot holes.
Horse trailer owners find that rubber torsion suspensions (including Torflex, but I have heard that they particularly like UCF's Flexiride) work better than leaf-sprung beam axles. That doesn't mean that the ride is smooth - only that it is better than the bad alternative.

Every RV of every brand with every type of suspension has issues with road bumps.

Quote:
Originally Posted by azjack View Post
I also feel that at least a partial load on a trailer helps.
Absolutely - a trailer weighing much less than the weight for which the suspension is designed will be too stiffly sprung and have poor ride and control. This is why the rubber in the suspensions of the Escape 19' and 21' are trimmed to match a load which is appropriate for the trailer, rather than suited to the whole 3500 pound per axle capacity of the hardware.

Quote:
Originally Posted by ice-breaker View Post
I have no idea whether spring suspension would improve the ride, probably would.
Why would you expect that?

Quote:
Originally Posted by ice-breaker View Post
I do know that the torsion suspension gives a ride in the trailer that is much much rougher than inside my tug.
Yes, essentially all trailer suspensions - whether the springs are rubber or steel - are far too stiff and far too poorly damped to provide ride similar to our tugs. Compare a trailer's leaf-spring suspension and a light-duty pickup truck's leaf-spring suspension of similar capacity - the springs are very different, the truck has shocks, and the ride is quite different, even though both have leaf springs.

Quote:
Originally Posted by Bobbito View Post
ISo if I had a 5.0 TA I would want shocks added.
So would I, but Reace included a rubber-cushioned rocker (the Dexter E-Z Flex) to soften and dampen the 5.0TA suspension, so damping has been at least partially addressed.
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Old 01-08-2015, 04:14 PM   #50
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Shocks on Torflex Axle

Thanks Brian. The fact that they have these shocks available in Europe suggests there is a need for them. I guess this may all be moot if there isn't a shock solution available in time for our build sheet deadline. I made some calls about getting Al-Ko shocks, but didn't get anywhere with it. I will be interested to hear what Widget Wizard comes up with.

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