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10-20-2018, 10:09 AM
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#1
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Junior Member
Name: Nanette
Trailer: 2013 Scamp 16ft
WI
Posts: 1
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How to replace extender jacks in Scamp with scissor jacks
Hi, I'm Nanette. We want to replace the extender jacks on our 2013 Scamp, 16ft, with scissor jacks. Where can these jacks be purchased and how to install them would be helpful. Thank you.
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10-20-2018, 10:37 AM
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#2
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Senior Member
Name: Jon
Trailer: 2008 Scamp 13 S1
Arizona
Posts: 11,925
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You might want to consider BAL stabilizers. More stable and more compact when folded up, but pricier. Scissors jacks can often be purchased cheaply from auto junkyards.
Either way, you'll probably need to have mounting brackets welded to the frame rails under the rear of the cabin.
For myself, I've been very happy with the factory Atwood stabilizers.
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10-20-2018, 03:26 PM
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#3
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Senior Member
Trailer: 2004 13 ft Scamp Custom Deluxe
Posts: 8,520
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Quote:
Originally Posted by Nanette Del Monaco
Hi, I'm Nanette. We want to replace the extender jacks on our 2013 Scamp, 16ft, with scissor jacks. Where can these jacks be purchased and how to install them would be helpful. Thank you.
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Scamp is now using BAL Stabilizer jacks as shown in Post#2.
I have BAL Stabilizers which come with an adjustable frame crossmember.
IMO this type is superior to scissors jacks and they tuck away better.
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10-20-2018, 07:47 PM
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#4
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Senior Member
Name: John
Trailer: Escape 21, behind an '02 F250 7.3 diesel tug
Mid Left Coast
Posts: 2,940
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I *hate* those friction atwood things, our casita had them. the bal screw down stabilizers are so much nicer. i just use the hand crank, it only takes a couple minutes to screw down all 4 of them.... I have seen folks use a battery drill-driver in low gear mode, with a socket on an extension for the same sorts of stabilizers.
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10-20-2018, 08:14 PM
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#5
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Senior Member
Name: Greg
Trailer: 2008 Casita 17' SD
Washington
Posts: 1,997
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I got rid of those Atwood drop-down stabilizers as well. I can't say that I really ever liked them, but I tolerated them for many years. I recently installed 4 BAL scissor jacks on my trailer and they are a vast improvement. I cut and ground off the old Atwood stabilizers and welded 4 new 1/4" thick "pre-drilled" mounting plates to the bottom of the main frame rails of the trailer to mount the BAL jacks to with stainless steel nuts and bolts.
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10-21-2018, 10:47 AM
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#6
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Senior Member
Name: Michael
Trailer: Trail Cruiser
Alberta
Posts: 825
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Consider how much weight you want to support. Scissor jacks have more capacity than BAL stabilizers. BAL stabilizers fold up more compactly. Divide the loaded weight of your unit by 2. This should be the capacity of each jack.
Consider placement. Divide the length of you unit by 4. This is the distance you should place the jacks from the ends of the unit.
Consider attachment. The frame of your unit may not be designed for the jacks you are installing. Consider angle iron or square tubing to distribute the load over the frame so as not to crush or distort it at the point of attachment.
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10-21-2018, 01:00 PM
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#7
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Senior Member
Name: John
Trailer: Escape 21, behind an '02 F250 7.3 diesel tug
Mid Left Coast
Posts: 2,940
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Quote:
Originally Posted by Mike_L
Consider how much weight you want to support. Scissor jacks have more capacity than BAL stabilizers. BAL stabilizers fold up more compactly. Divide the loaded weight of your unit by 2. This should be the capacity of each jack.
Consider placement. Divide the length of you unit by 4. This is the distance you should place the jacks from the ends of the unit.
Consider attachment. The frame of your unit may not be designed for the jacks you are installing. Consider angle iron or square tubing to distribute the load over the frame so as not to crush or distort it at the point of attachment.
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hmmm? stabilizer jacks don't support the full weight of the trailer, they only just lift it off its springs just enough that it doesn't bounce when you walk around inside.
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10-21-2018, 03:10 PM
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#8
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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Quote:
Originally Posted by John in Santa Cruz
hmmm? stabilizer jacks don't support the full weight of the trailer, they only just lift it off its springs just enough that it doesn't bounce when you walk around inside.
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They don't even do that. They just prevent the springs from compressing when you walk around, preventing rocking. Not intended to lift anything.
__________________
What happens to the hole when the cheese is gone?
- Bertolt Brecht
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10-22-2018, 09:57 AM
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#10
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Senior Member
Name: Michael
Trailer: Trail Cruiser
Alberta
Posts: 825
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I totally agree Greg. I boondock a lot. Not much level ground where I camp. I use my scissor jacks to level my trailer so the fridge works properly and doors don't swing on their own etc.
When I park my unit for the winter I use the jacks to lift my wheels almost completely off the ground. Better for the suspension and tires.
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10-22-2018, 10:01 AM
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#11
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Senior Member
Name: Jon
Trailer: 2008 Scamp 13 S1
Arizona
Posts: 11,925
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Stabilizers are normally placed near the corners of the trailer. Lifting is best done near the axle, as that's where the weight of the trailer is carried on the highway, and the frame is strongest there. Some lightweight frames may not do too well with the twisting produced by jacking at the corners. It depends on the specific trailer, but the OP asked about a Scamp. The rear frame of a Scamp is quite flexible, so I could see it being a problem.
Some have mounted lifting jacks/stabilizers closer to the axle, as in Casita Greg's photo, which reduces the twisting effect. Unlike a Scamp, however, Greg's Casita 17 has continuous main frame rails from front to back. A Scamp has a separate raised rear section (with no cross-bracing) and a cutaway for the door.
For me all lifting is done at home, where a small hydraulic floor jack makes short work of it. The scissors jack from the tow vehicle will serve for the rare possibility of a flat tire on the road. For storage I lift and support the frame on jack stands near the axle.
Whether at home or camping, stabilizers just stabilize. My Atwoods deploy in seconds, not minutes, no tool required.
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10-22-2018, 10:41 AM
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#12
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Senior Member
Name: Michael
Trailer: Trail Cruiser
Alberta
Posts: 825
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Agreed
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10-22-2018, 10:43 AM
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#13
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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Quote:
Originally Posted by Mike_L
Agreed
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Agree with what?
__________________
What happens to the hole when the cheese is gone?
- Bertolt Brecht
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10-22-2018, 12:14 PM
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#14
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Senior Member
Name: Ed
Trailer: Casita 17 ft SD
Colorado
Posts: 206
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Replacing Stablizer Jacks
Replaced the stabilizer jacks on my Casita. Took an angle grinder and cut off the existing jacks,(they were welded on). Then I got two, two and one half inch pieces of angle iron and bolted them to the frame. Then I bolted the scissors jacks to the angle iron. They work great, I use a battery operated drill to raise and lower them.
Fairly easy to do with a little creativity.
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10-23-2018, 06:11 PM
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#15
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Senior Member
Trailer: 2004 13 ft Scamp Custom Deluxe
Posts: 8,520
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Quote:
Originally Posted by Jon in AZ
Stabilizers are normally placed near the corners of the trailer. Lifting is best done near the axle, as that's where the weight of the trailer is carried on the highway, and the frame is strongest there. Some lightweight frames may not do too well with the twisting produced by jacking at the corners. It depends on the specific trailer, but the OP asked about a Scamp. The rear frame of a Scamp is quite flexible, so I could see it being a problem.
Some have mounted lifting jacks/stabilizers closer to the axle, as in Casita Greg's photo, which reduces the twisting effect. Unlike a Scamp, however, Greg's Casita 17 has continuous main frame rails from front to back. A Scamp has a separate raised rear section (with no cross-bracing) and a cutaway for the door.
For me all lifting is done at home, where a small hydraulic floor jack makes short work of it. The scissors jack from the tow vehicle will serve for the rare possibility of a flat tire on the road. For storage I lift and support the frame on jack stands near the axle.
Whether at home or camping, stabilizers just stabilize. My Atwoods deploy in seconds, not minutes, no tool required.
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BAL makes a crossmember design stabilizer which is plenty strong enough to act as a jack on a Scamp13, especially if it is placed about halfway between the gray tank and the rear bumper. The frame rails are boxed tubing and the aforementioned additional crossmember prevents what little flex might be induced.
Mine has been used for many years for both service jacks and as stabilizers. They do the job without flexing the frame.
There are many situations as well where it might be wise to deploy the stabilizers (of whatever type) as a supplement when using a service jack.
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10-23-2018, 06:38 PM
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#16
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Senior Member
Name: John
Trailer: Escape 21, behind an '02 F250 7.3 diesel tug
Mid Left Coast
Posts: 2,940
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The BAL stabilizers on my Escape are labeled specifically NOT to try and lift the trailer with them... I think they are desiigned for max 1000 lbs load each.
which model is suitable to use as a actual jack, like for tire changes ??
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10-23-2018, 06:53 PM
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#17
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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Quote:
Originally Posted by John in Santa Cruz
The BAL stabilizers on my Escape are labeled specifically NOT to try and lift the trailer with them... I think they are desiigned for max 1000 lbs load each.
which model is suitable to use as a actual jack, like for tire changes ??
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You want to position a jack for a tire change on the frame, near the axle. You want stabilizers positioned near the corners of the trailer.
So, a stabilizer is not a jack and a jack is not a stabilizer.
__________________
What happens to the hole when the cheese is gone?
- Bertolt Brecht
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10-23-2018, 08:49 PM
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#18
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Senior Member
Name: Michael
Trailer: Trail Cruiser
Alberta
Posts: 825
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A stabilizer has a lower capacity and is intended to make the trailer more stable as the suspension will flex when you walk around inside the unit. A jack serves this purpose but usually has a larger capacity so that you can also lift your unit if you wish.
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10-24-2018, 07:59 AM
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#19
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Senior Member
Name: Greg
Trailer: 2008 Casita 17' SD
Washington
Posts: 1,997
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Quote:
Originally Posted by John in Santa Cruz
The BAL stabilizers on my Escape are labeled specifically NOT to try and lift the trailer with them... I think they are desiigned for max 1000 lbs load each.
which model is suitable to use as a actual jack, like for tire changes ??
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Go back up to Post #9 and click on the links I included in the post.
Greg
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10-24-2018, 08:45 AM
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#20
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Senior Member
Trailer: 2004 13 ft Scamp Custom Deluxe
Posts: 8,520
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Take a look at the link below. Notice that the static load capacity is listed as 2000 pounds per individual jack. When installed on a Scamp13 each jack is subjected to barely over one third of the rated load and barely less than half of the rating of the whole axle. Each jack is rated to support more than the entire weight of the loaded trailer.
This is massive overkill for a Scamp13, and way more than enough to act as a service jack in this application. Certainly NOT when installed on a forty foot fifthwheel with four slideouts. Note: one Scamp13 equals roughly one slideout!
https://www.rvupgradestore.com/BAL-2...-p/15-0308.htm
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