torsion arm angle on 1984 Scamp - Fiberglass RV


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Old 05-10-2011, 09:05 PM   #1
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torsion arm angle on 1984 Scamp

Does anyone know what the starting angle for the torsion axle arm was on a 1984 13' Scamp?

Having just joined the ranks of Scamp owners, I'm trying to get mine roadworthy for a cross-country trip this summer. While the tires don't appear to be hitting the wheel wells, I don't seem to have any give left in the torsion axle (not surprising, given that it's nearly 30 years old, and the previous owner hadn't jacked it in 8 years). My Scamp has the leading arm formation, and it's angled up. When I called Scamp to ask about what kind of axle to order, I was told a 22.5 down, which seems odd for a leading arm.

I'd like to make the switch to a trailing arm with a downward angle (to gain some lift and get a smoother ride), but am a little intimidated by the amount of modification required to mount under the dropped kitchen floor.

If I move to a 0 or down angle on a leading arm, would my suspension suffer? And if I have Dexter make me a leading arm, will they still warranty it?
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Old 05-10-2011, 09:27 PM   #2
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Originally Posted by CantankerousCarl View Post
Does anyone know what the starting angle for the torsion axle arm was on a 1984 13' Scamp?

Having just joined the ranks of Scamp owners, I'm trying to get mine roadworthy for a cross-country trip this summer. While the tires don't appear to be hitting the wheel wells, I don't seem to have any give left in the torsion axle (not surprising, given that it's nearly 30 years old, and the previous owner hadn't jacked it in 8 years). My Scamp has the leading arm formation, and it's angled up. When I called Scamp to ask about what kind of axle to order, I was told a 22.5 down, which seems odd for a leading arm.

I'd like to make the switch to a trailing arm with a downward angle (to gain some lift and get a smoother ride), but am a little intimidated by the amount of modification required to mount under the dropped kitchen floor.

If I move to a 0 or down angle on a leading arm, would my suspension suffer? And if I have Dexter make me a leading arm, will they still warranty it?
here's what it looked like new...
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Old 05-11-2011, 06:47 AM   #3
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Trailing arm 22 1/2 degrees down.Click image for larger version

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Old 05-11-2011, 10:05 AM   #4
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Nice trailer, Kevin. Did you have to make modifications to the frame to trade your leading arm axle for a trailing arm? I'd like to get that kind of lift, but don't want to have to mess around with a lot of mods around the kitchen drop floor.
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Old 05-11-2011, 01:13 PM   #5
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I think you can call Scamp and give them the serial # and they can look it up. " I think ".
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Old 05-11-2011, 01:28 PM   #6
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Have to add some rectangle steel to kitchen side of trailer. Mine is a little high, but it tows level with my truck.
Before and after shots.

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You could get by with a 12 degree down trailing arm.
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Old 05-11-2011, 09:33 PM   #7
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@kevin, don't want to change this subject too much - but did you paint the red moons? or where did you find them?
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Old 05-12-2011, 04:43 AM   #8
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They were rusty chrome. I painted them.
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Old 05-12-2011, 05:53 PM   #9
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So, I called Dexter to ask about special ordering a leading arm 22.5 angle axle, and I was told by an engineer that they don't make them anymore. I remember reading a thread where a poster said that you could still special order them. He told me there was no way to get one.

I asked if I could just flip a trailing arm axle the other way and swap the brake shoes, as several posters in another thread mentioned, and he told me that their axles are designed to toe in, and that flipping it would cause alignment problems and wear the tires unevenly. Have others been told this, too? Anybody know about this? How bad off would I be if my axle was toe out instead of in?
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Old 05-12-2011, 11:27 PM   #10
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That is funny, because you can still order the leading axle new directly from Scamp and they had to get them from somewhere.
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Old 05-13-2011, 07:45 AM   #11
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Scamp put an AL-KO axle on my 16' 2009, so that maybe where they are getting them.

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That is funny, because you can still order the leading axle new directly from Scamp and they had to get them from somewhere.
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Old 05-13-2011, 09:25 AM   #12
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I put on a new leading arm axle on my scamp a year ago. I got it from Dexter (22.5 degrees down). I talked to the engineer directly and he said that they would only guarantee and build a trailing arm axle, but I could get a trialing edge one and reverse it and then re-install the brakes on opposite sides (there is a left and right brake). He said that they used to do leading edge axles but some were installed incorrectly at the higher degrees, over 45, and didn't perform correctly. He said reversing them at 22.5 should not be a problem, but company policy was not to warrantee it that way. I didn't have any problem having it installed and it seems to be working fine.
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Old 05-13-2011, 11:04 AM   #13
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So, does anyone know who the manufacturer of the new leading axles that Scamp sells is? It would be great to find out for the few between us who don't know nothing of welding. If it is Dexter why do they give us the run around and don't they sell directly to us?
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Old 05-16-2011, 08:25 AM   #14
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Dan,
Do you still have the specifications for the axle that your ordered? Also, did you use brackets (and if, what kind) or did you weld the axle on directly? I am getting ready to order a new axle but I can't decide if I should order directly from Scamp ($310 + $100 shipping) or just go with the Dexter 22.5 ($225 no shipping) installed leading. I don't want to end up with a setup where I have to change tires all the time due to bad alignment.
Thank you for your input.
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