everything shakes loose - Fiberglass RV


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Old 09-03-2018, 01:08 PM   #1
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Name: Joshua
Trailer: Scamp
Montana
Posts: 1
everything shakes loose

I have a 16' 2006 Scamp; I am new to this forum, so my apologies if this has already been addressed.
My wife and two little kids use it a lot on National Forest, State, and National Parks. When taken down washboard or rough roads, even carefully, everything shakes loose; even the screws shake out.
I have removed and replaced with Locktight every loose screw. On my last trip into the Bechler in Yellowstone, the switching power converter literally shook apart; it is essentially destroyed.
Any advice on:
1) a very durable replacement for the power converter (I hate to put in the same inferior type that shook apart).
2) a way to upgrade the suspension in some fashion so that I do not continue to have everything shake loose?

We are hoping to take the Al-Can highway next year; and I hate to have it fall to pieces on the way.

Thank you.
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Old 09-03-2018, 01:25 PM   #2
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Name: Gordon
Trailer: 2015 Scamp (16 Std Layout 4) with '15 Toyota Sienna LE Tug
North Carolina
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Along with the washboard roads, the axle might be worn out and need to be replaced. Normally 12 years is not too long, but perhaps it had a hard life and wore out sooner. See Torsion Axle - everything you want to know - Boler.ca

I guess you could try shock absorbers.. but thats a topic I dont know enough about to offer advice. This is for a Casita but gives you some idea... http://www.perfectcasita.com/cashabkit.html
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Old 09-03-2018, 01:57 PM   #3
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Name: Lynn
Trailer: Scamp
New York
Posts: 68
All Shook Up

Two years ago, I replaced the tires on my '06 with new "D" range and inflated to the sidewall marked 65 psi rather than 50 for the "C"s. Everything shook apart as you described. I deflated the new tires to 55 and all is well. I may not have the full benefit of "D" range tires, but our Scamp no longer self destructs.
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Old 09-03-2018, 01:59 PM   #4
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Trailer: 1978 Trillium 4500, 1979 Boler 1700
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You can do the following

- Use thread lock compound.
- Use nylock nuts.
- Look for equipment that's been tested to meet shock and vibration specifications. Instead of using a converter, I use a Mean Well power supply that has been tested to a specific level of shock and vibration, as indicated in the manufacturer's spec sheet. Mean Well also sells waterproof, sealed units.
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Old 09-03-2018, 03:09 PM   #5
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What part is attributable to your driving habits or those of the former owner?
Also check the tires , you should have a "C" rated radial trailer tire inflated to 50 psi.
Too high of a tire rating can be just as bad as too low.
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Old 09-03-2018, 03:15 PM   #6
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Puget Sound, WA
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Quote:
Originally Posted by jbchristensen View Post
I have a 16' 2006 Scamp; I am new to this forum, so my apologies if this has already been addressed.
My wife and two little kids use it a lot on National Forest, State, and National Parks. When taken down washboard or rough roads, even carefully, everything shakes loose; even the screws shake out.
I have removed and replaced with Locktight every loose screw. On my last trip into the Bechler in Yellowstone, the switching power converter literally shook apart; it is essentially destroyed.
Any advice on:
1) a very durable replacement for the power converter (I hate to put in the same inferior type that shook apart).
2) a way to upgrade the suspension in some fashion so that I do not continue to have everything shake loose?

We are hoping to take the Al-Can highway next year; and I hate to have it fall to pieces on the way.

Thank you.
Joshua,

Welcome to the forum. You mention some issues following your "last trip into the Bechler". First of all, these trailers are not designed to be driven into rivers.

Okay, more seriously, check the compatibility of the Loctite product(s) you are using with the materials that you are using it on. A number of the traditional Loctite products that I had some experience with years back were made for use on metal-to-metal applications.

When I work with soft woods, I often use cyanoacrylate (super glue) to strengthen the wood fibers when using wood or sheet metal screws. This is just to reduce pull-out; I don't know how much this helps reduce the screws backing out.

As far as power converters go, Progressive Dynamics seems to be the favored choice for their battery charging characteristics. However, I don't know whether they might be any better at resisting vibration. I bought a Mean Well power supply for another application that is of very good quality, so that idea is also intriguing.

I particularly like the ideas posted about checking your axle (the rubber in torsion axles dries out and gets stiff over time) and considering larger tires and/or lower pressures along with potentially shocks.

I think the idea of reducing the shaking overall has the most promise. You might even consider getting a little 12 volt compressor so you can run lower tire pressures on the trails and rough roads, then air-up for high-speeds on the pavement.

Good luck, and stay out of those rivers!
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Old 09-03-2018, 03:59 PM   #7
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Name: Ronald
Trailer: Scamp
TN
Posts: 6
cable with computer

Most of the rv parks seem to have cable where we stay with our 13ft Scamp. Dont want to install a tv,but interested in watching, the news and weather through my computer. Is there a router out there that will take cable and convert it so I can connect to with my lap top? How bout a wireless usb plug in for those parks that have over the air tv?
Thanks
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Old 09-03-2018, 04:15 PM   #8
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start a separate thread

Ronald on the Plateau, great questions. Yes there are gadgets that take cable tv as input and over the air tv as input to your laptop. I recommend to (edit: you) start a separate thread for these questions, as that will garner much more attention.
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Old 09-03-2018, 05:04 PM   #9
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Texas
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Quote:
Originally Posted by jbchristensen View Post
I have a 16' 2006 Scamp; I am new to this forum, so my apologies if this has already been addressed.
My wife and two little kids use it a lot on National Forest, State, and National Parks. When taken down washboard or rough roads, even carefully, everything shakes loose; even the screws shake out.
I have removed and replaced with Locktight every loose screw. On my last trip into the Bechler in Yellowstone, the switching power converter literally shook apart; it is essentially destroyed.
Any advice on:
1) a very durable replacement for the power converter (I hate to put in the same inferior type that shook apart).
2) a way to upgrade the suspension in some fashion so that I do not continue to have everything shake loose?

We are hoping to take the Al-Can highway next year; and I hate to have it fall to pieces on the way.

Thank you.
Are your tires balanced?
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Old 09-03-2018, 07:22 PM   #10
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Trailer: 2004 13 ft Scamp Custom Deluxe
IllAnnoy
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American brand converters have two huge heatsinks on the board which will eventually succumb to rough roads and heat and just fall off the board taking rectifier diodes with them.. Like about seven or eight years. That's about as long as the fan lasts anyway. keeping the dust bunnies out will help keep them cool as will using an alternate charger when the trailer is in storage.
If you have this converter, it a simple matter to change the board and the fan, or you can easily switch to a different converter but keep the old case as a fuse/breaker panel without doing a rewire.
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Old 09-04-2018, 09:37 AM   #11
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Name: David
Trailer: Scamp 13 ft
California
Posts: 314
Scamp Shakin'

We have the shaking problem with screws and nuts loosening. Can any Scamp owner say, " I don't have that problem !" ? ?
On the heavy pressed wood closet door I drilled out the screw holes and installed the hinges with brass bolts and nuts with lock washers. Anywhere a screw gets loose you can try to use a nut and bolt. On my stove I lay a mat or pillow or towel in it when traveling, held by white bungee cord material. That keeps it from vibrating and bouncing loose. You can buy the bungee cord by the foot and stretch it across upper or lower cabinets when you drive, it can keep them closed but also give some support when looped around drawer or door pulls.

I just met a family 2 days ago in Sonora, they were coming back from the Strawberry Music Festival and their door (13'Scamp) was tired to the back bumper with a Rope ! I told them about Ian's hinge repair kit, as their door was sagging. And I told them how I tie the small white bungee cord material around the fire extinguisher bracket on the back of the closet, across the closet door to lift and keep it closed, then as I step out of the scamp I slip the loop at the end of that cord around the door handle on the outside. That pulls and lifts the door inward. When you want to get in the trailer just slip the loop off the door as you unlock it. Works pretty well. It is a long term job to combat loosening nuts and screws in a fiberglas trailer. As Jerry Lee Lewis said about fiberglas trailers, " Whole lotta shakin' going on ! " David , shakin' in Fresno and Sonora
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Old 09-04-2018, 09:52 AM   #12
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Name: Wayne & Barbara
Trailer: Parkliner
Iowa
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Do you physically feel and/or see the trailer bouncing on the rough roads?
Lower the tire pressure. 34 - 40 psi should be enough.
Also, reduce or increase speed to get away from the natural frequency of the system.
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Old 09-04-2018, 10:15 AM   #13
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Name: David
Trailer: Scamp 13 ft
California
Posts: 314
Bouncing ?

Quote:
Originally Posted by Wayne Collins View Post
Do you physically feel and/or see the trailer bouncing on the rough roads?
Lower the tire pressure. 34 - 40 psi should be enough.
Also, reduce or increase speed to get away from the natural frequency of the system.

My experience is you have to be behind the trailer to really see bounding. I have driven behind Scamps and Casitas and have been surprised at the ferocity of the bouncing on rough roads ! Drive behind your Scamp as someone else tows it ; you may get a better feeling for the amount of bouncing and possible causes. David in Fresno and Sonora
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Old 09-04-2018, 10:25 AM   #14
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Name: Floyd
Trailer: 2004 13 ft Scamp Custom Deluxe
IllAnnoy
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Quote:
Originally Posted by DavidG View Post
We have the shaking problem with screws and nuts loosening. Can any Scamp owner say, " I don't have that problem !" ? ?
I can! I don't have that problem!. (14YO Scamp13D)
Many concrete roads are improperly screeded which can cause the trailer to bounce like a basketball. Low tire pressure would only exacerbate the problem.
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