Stabilizer Jack question - Fiberglass RV


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Old 08-20-2009, 11:39 AM   #1
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I'm looking at stabilizer jacks for the rear of my scamp 13, and wondered if anyone had used this one. It doesn't say anything about load capacity.

http://www.pplmotorhomes.com/parts/rv-jack...ailer-jacks.htm

I only have about 13" from the bottom of the frame to the ground.

Thanks
Dan
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Old 08-20-2009, 11:56 AM   #2
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Mine are similar...

I have this:
http://www.pplmotorhomes.com/parts/rv-jack...zer-jack-rv.htm
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Old 08-20-2009, 12:03 PM   #3
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Mike, did you put your stabalizer jack on the bumper, or install them into the frame under the shell? I looked at these but was concerned that I wouldn't have access to turn the crank. My back bumper is an angle, which is a questionable place to put them, and putting them on the frame under the shell looks difficult to access because the shell extends 5" below the frame. Thanks for the reply.
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Old 08-21-2009, 07:26 AM   #4
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$50 ish for a glorified scissor jack seems a little high to me.

I went to a local auto junkyard last week and grabbed 5 scissor jacks for $4 each.

Even the smallest ones (that weigh 4.5 lbs each) are rated at 1800 lbs. Minor modifications and they can easily be attached to the frame.

Even better you can use them to lift your trailer + change a tire if needed.
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Old 08-21-2009, 09:02 AM   #5
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I like cheap too. Unfortunately Danny said there's only about 13" of clearance. I think a scissors jack only collapses to about 6", that only leaves about 7" to the ground. That would work in flat areas, but may be problematic going in and out of driveways.... if the scissors jacks are welded to the frame. Certainly wouldn't want to drag the jack, tear it off and perhaps damage the frame or fiberglass in the process. Of course, if you just wanted to have the jacks loose and carry them in the tug or trailer and use as needed, the ground clearance is a moot point.
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Old 08-21-2009, 09:26 AM   #6
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Quote:
I'm looking at stabilizer jacks for the rear of my scamp 13, and wondered if anyone had used this one. It doesn't say anything about load capacity.

http://www.pplmotorhomes.com/parts/rv-jack...ailer-jacks.htm

I only have about 13" from the bottom of the frame to the ground.

Thanks
Dan
The BAL stabilizer jack system like Mike's, with the crossmember is not difficult to access at all.
Ours is mounted about a foot fore of the rear bumper. the kit comes with a sticker for the side of the camper which makes it easy to locate. here it is installed on Eggy-Sue (our 13)
You must buy the one with the shorter range because the crossmember must be shortened to fit and the taller one won't shorten enough... look here and read my review...

http://tinyurl.com/nzdbg2
Attached Thumbnails
DSCF0007.JPG   DSCF0004.JPG  

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Old 08-21-2009, 10:09 AM   #7
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Quote:
The BAL stabilizer jack system like Mike's, with the crossmember is not difficult to access at all.
Ours is mounted about a foot fore of the rear bumper. the kit comes with a sticker for the side of the camper which makes it easy to locate. here it is installed on Eggy-Sue (our 13)
You must buy the one with the shorter range because the crossmember must be shortened to fit and the taller one won't shorten enough... look here and read my review...

http://tinyurl.com/nzdbg2
Floyd, those look pretty good how you installed them. What is the dimension from the frame when they are closed?
Thanks
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Old 08-21-2009, 11:47 AM   #8
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Floyd, those look pretty good how you installed them. What is the dimension from the frame when they are closed?
Thanks
These stabilizers come in two pieces which are nesting sized steel channel to allow for width adjustment. the minimum width is wider than the Scamp frame rails, so it is necessary to shorten each piece to allow them to slide closer together and thus fit the Scamp frame perfectly.
I don't recall the exact amount that I cut , but I guess it was about 8 or 10 inches or so.
NOTE: The 20" extension can be cut to fit , the 24" cannot, because of the screw length.

OH!! Upon review I see that I misunderstood your question the answer is about 2 or 2-1/2 inches , but the unit is far enough forward to not affect the angle of departure.
here is a picture...
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Old 08-21-2009, 12:35 PM   #9
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Stabilizer Jacks.

I have two mounted at the rear of my 16' Casita but in a month and a half of using it, I have yet to try and figure how to lower them. I have never even felt the need to try and do so. Whether hooked to my Jeep or not, the Casita is always steady enough for me. Why is it so important to some? I cannot imagine there being the danger of it flipping backwards, which, I suppose, is the reason they are there.
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Old 08-21-2009, 12:44 PM   #10
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Have you considered jack stands?

On our Boler, we use automobile jack stands, which I got for $14 a pair at Princess Auto. They set up in seconds and have a ratchet/lever to pull up and retract instantly. I just lower the front end of the trailer below level with the jack to raise the rear end, put the jack stands under the rear bumper (they pull up and are held by a ratchet to just under the right height, and then raise the front end of the trailer to level to put weight on the rear stands. I use a small piece of plywood under each jack stand so it won't sink into the ground. Very easy, works great, easy to move and store. The level can be off by as much as 1/4 inch, which is OK for me.

They look just like the ones in this link, but were much cheaper. http://www.princessauto.com/shop-garage/re...ord=jack+stands

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Old 08-21-2009, 01:20 PM   #11
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Quote:
Stabilizer Jacks.
... I cannot imagine there being the danger of it flipping backwards, which, I suppose, is the reason they are there.
In my case, the stabilizer jacks are there to take the weight off of the springs, to eliminate bounciness when walking around inside.

My Hunter I came with 2 jacks with tops that are custom fit to the frame cross member. I also have 2 standard jack stands that I use in the front, for longer term situations, like parking in my back yard.

If I just stop for the night, whether I unhitch or not, I'll hook up just the 2 jacks in the rear, and use the tongue jack to stabilize the front end. I do like the stability (i.e., lack of springiness/tilting) when the jacks are in place.

Don

PS - photo of custom jack is attached (pls excuse quality -- it's a blowup of a small part of a photo from POV)



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Old 08-21-2009, 03:02 PM   #12
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The BAL looks pretty nifty, although I see it's about 45 lbs. Not sure I want to permanently add that to the back of my Boler. But... they do look nice.

My trailer came with a pair of those ubiquitous, stacking aluminum stabilizers, and I can't believe how light they are - ounces! But they are more of a pain to use than that BAL looks like it would be. And I have to stow them somewhere. OTOH, they are not out there getting grimy and gritty.

I think that the trailer could potentially tip backwards if you had enough weight behind the axle and were unhitched, but even if not I like the stabilizers for the bounce reduction. I can't stand that "tentative" feeling of the trailer jouncing every time I move a muscle.

I wouldn't (personally) worry about the "wear" on the axle from being unstabilized, unless I were parked and using the trailer for a loooong time, but that's because I think the torsion axles mostly wear from age, or maybe from long-term storage without being relieved of weight. But that is just my feeling.

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Old 08-21-2009, 03:42 PM   #13
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Oh yeah, Raya's post reminded me, the entrance of my Hunter I is in the rear (same with Compacts, etc.,), so tipping of the rear end as you step in is more than just a possibility. In fact, it tips every time you enter when there's no water in the tank and the LP tank and battery have been removed, which is my situation during renovation. Rear jacks are mandatory right now. This could still be an issue when it's fully loaded for travel, but I won't know until I get it all back together.

Tipping was not an issue with my 16' Casita, but I did use the built-in rear jacks to stop the bouncing.

Don
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Old 08-21-2009, 04:40 PM   #14
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Quote:
The BAL looks pretty nifty, although I see it's about 45 lbs. Not sure I want to permanently add that to the back of my Boler. But... they do look nice.

My trailer came with a pair of those ubiquitous, stacking aluminum stabilizers, and I can't believe how light they are - ounces! But they are more of a pain to use than that BAL looks like it would be. And I have to stow them somewhere. OTOH, they are not out there getting grimy and gritty.

I think that the trailer could potentially tip backwards if you had enough weight behind the axle and were unhitched, but even if not I like the stabilizers for the bounce reduction. I can't stand that "tentative" feeling of the trailer jouncing every time I move a muscle.

I wouldn't (personally) worry about the "wear" on the axle from being unstabilized, unless I were parked and using the trailer for a loooong time, but that's because I think the torsion axles mostly wear from age, or maybe from long-term storage without being relieved of weight. But that is just my feeling.

Raya
Where did you get the 45# figure? The one that fits the Scamp (under 20") is the smallest of three sets.
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