'82 Scamp Axle - Fiberglass RV


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Old 06-29-2012, 10:01 PM   #1
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Name: Steve
Trailer: 1982 Scamp 13'
Texas
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'82 Scamp Axle

Hi All,

I fired off a question to Scamp today about replacing the axle in my '82 Scamp 13' camper. Here is the response:

"9TF22 5 on 4.5, idler with break flange, high pro bracket, easy lube, 63x49 22.5 up"

I'll start making assumptions here.

9TF22 is a part number for Dexter Torflex axle.
5 on 4.5 is the bolt pattern for the hub.
I'm assuming "break flange" is a brake flange.
63 is the hub face width and 49.75 is the width of the frame rails.
Also, they require a 22.5 up? Is that correct? I can't seem to wrap my brain around that - it seems like it would require the 22.5 down?

Thanks,
Steve
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Old 06-30-2012, 03:42 AM   #2
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Trailer: 1972 boler American and 1979 Trillium 4500
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9TF22 = Dexter #9 Torflex @ 2200 lbs
Torflex recommends 10 degree down
Older trailers were up because of the leading arm. A 10 degree is essentially 0 loaded.
break=brake to me too
how many bolts on your rims?
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Old 06-30-2012, 03:49 AM   #3
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Hi Roy,

Quote:
Originally Posted by Roy in TO View Post
9TF22 = Dexter #9 Torflex @ 2200 lbs
Torflex recommends 10 degree down
Older trailers were up because of the leading arm. A 10 degree is essentially 0 loaded.
break=brake to me too
how many bolts on your rims?
I currently have 4 hole wheels, but they're quite rough so I imagine I'll be getting newer wheels soon.

Know anything about the Flexiride Torsion system? It's adjustable. I'm sort of leaning that direction now - seems like a slick setup.

Thanks,
Steve
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Old 06-30-2012, 05:11 AM   #4
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Both have there pros and cons. Flexiride arms are shorter, so they will move your wheel back a bit. You can get a 4 bolt on your torflex. Check out both there websites and look for information here.
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Old 06-30-2012, 06:16 AM   #5
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I had a 1983 Scamp and replaced the axle with a 22 1/2 degree down angle it was just a bit high I think a 10 degree would be just fine.
Click image for larger version

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ID:	48458 new axle 22 1/2


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old axle
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Old 06-30-2012, 07:56 AM   #6
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Trailer: '84 Scamp 13' & 2001 Casita 17' Spirit Deluxe
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My '85 Scamp 13 also was riding very low, no flex left in the torsion arms. Trent Fisher at Scamp Trailers told me that my trailer should have left the factory with 22.5* down angle but if so it means the torsion arm stubs had 'turned' about 40* in the axle tube 'cause they were at more'n 10* up when I brought it home. Can't imagine them 'turning' that much in the tube so I suspect they probably were originally 10 or 22.5* up. The arms had also lost enough 'lift' that the tires had been making contact with the wheel wells. I also had 4 lug wheels that weren't in greatest shape so when I ordered the new axle I went for the 5 on 4.5 & added 7" brakes. I chose the Dexter #9 torflex 2200# de-rated to 2K, with the 'high profile' side mount bracket option, again 'cause I wanted more height. I'm very pleased with the way the trailer now rides & the superior ground clearance. I also stayed with the 'leading arm' configuration as I didn't want to contend with the bother of re-locating the axle to use a trailing arm since Dexter said the brakes would work just as well with the leading arm.

Before/after pix - several inches difference
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Copy of IMG_1648.JPG   Copy 3 of IMG_2813.JPG  

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Old 06-30-2012, 10:12 AM   #7
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Quote:
Originally Posted by Harvey View Post
I chose the Dexter #9 torflex 2200# de-rated to 2K
The Dexter engineer I spoke with did not recommend that since we always tow our trailers "loaded", unlike a utility trailer that gets towed empty more than 1/2 the time. Consider the bounce and shock factor.
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Old 06-30-2012, 11:39 AM   #8
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I've decided to go with the Flexiride. Buying a new axle should be a one time thing, and if I don't get it right with the Torflex, then the trailer stance would drive me nuts. I'll like being able to adjust the height with the Flexiride.

Thanks for posting the pics of your rides with your axle settings.

Steve
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Old 06-30-2012, 11:58 AM   #9
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Double check your #'s for the arm length. You are concerned where the spindle ends up forward and back in the wheel well. A shorter arm going the recommended 24 down will move your tire back some in the wheel well. Maybe contact Jean-L, I seem to remember he put a flexride on his boler American. It should not be that much different.
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Old 06-30-2012, 12:12 PM   #10
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Trailer: 2001 Scamp 13'
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Quote:
Originally Posted by stevewolverton View Post
I've decided to go with the Flexiride. Buying a new axle should be a one time thing, and if I don't get it right with the Torflex, then the trailer stance would drive me nuts. I'll like being able to adjust the height with the Flexiride.

Thanks for posting the pics of your rides with your axle settings.

Steve
Had I known I could have gotten a compatible axle with height adjustment good chance I'd have done that!

And I was SO pleased with my new axle until reading this. :|
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Old 06-30-2012, 02:32 PM   #11
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There are differences Dylan. I've replaced both of mine with Dexter. I'm still pleased with mine.

You have a huge amount of adjustment in Dexters by tinkering with the mount height, brackets or not and angles. You can also get a bit of ride height change through the rubbering. One just has to understand and play with the numbers and choices in their charts.

The Flexirides change 6 degrees every notch.
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Old 07-02-2012, 03:46 PM   #12
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this is so exciting,,,i have a new 20012 scamp,,,, and i can't wait till i have had mine long enough and have camped in it enough times to need a new axel,,,imagine the adventures an axel that needs replacing has seen? would be cool to hear those stories.

so while you biting the bullet so to speak to buy a new axel...stop for one minute and reflect on the miles and happy times that wore out axel represents,,,,almost makes you want to give it a decent burial.
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Old 07-02-2012, 04:02 PM   #13
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I think someone with a band saw should cut through the rubber on a dead axle and post it so everyone knows what happens inside. It would be like giving your body to science, but in this case it would be the engineers. Us!
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Old 07-02-2012, 05:09 PM   #14
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Trailer: 2004 13 ft Scamp Custom Deluxe
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Quote:
Originally Posted by Roy in TO View Post
9TF22 = Dexter #9 Torflex @ 2200 lbs
Torflex recommends 10 degree down
Older trailers were up because of the leading arm. A 10 degree is essentially 0 loaded.
break=brake to me too
how many bolts on your rims?
Sorry Roy, but my trailing arm 2004 came with a 22.5 up angle. Older trailers with leading arms started with the axle already higher in the frame.
I discussed this the other day with Scamp while visiting and suggested that the 13's should go to a zero angle on the trailing arm since so many are now sold with lots of options and most have tanks and plumbing underneath. That suggestion is being considered.
If I ever replace my axle it will be a 3500# axle, derated to 2500# with a zero angle and 10" brakes.
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