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04-12-2010, 06:40 AM
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#1
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1 Rivet Member
2010 16' Sport
portland
, Maine
Join Date: Apr 2010
Posts: 5
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Can a small Airstream be lifted?
Just purchased a Sport 16 and I drive lots of rough dirt roads. With 6 inches of ground clearance, I'm a little worried about bottoming out. Wondering if anyone has ever seen a lift kit on an airstream??? If so, any thoughts or suggestions on the best way to go about adding ground clearance would be appreciated. If I pursue this option, I'll post the full story. Thx in advance. Best. JD
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04-12-2010, 08:01 AM
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#2
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Rivet Master
1991 34' Excella
Princeton
, New Jersey
Join Date: Aug 2003
Posts: 7,070
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I am confused.
Where are you measuring a 6 in. ground clearance? The frame appears to have standard clearance. Is it the axle beam itself you are referring to?
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles
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04-12-2010, 08:14 AM
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#3
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1 Rivet Member
2010 16' Sport
portland
, Maine
Join Date: Apr 2010
Posts: 5
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the lowest point on the trailer (2 petcocks on rear tank) is 6 inches off the ground
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04-12-2010, 08:30 AM
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#4
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Rivet Master
Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by sport 16
the lowest point on the trailer (2 petcocks on rear tank) is 6 inches off the ground
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There are 2 ways to lift the trailer.
The first and easiest, is to change out the axle with one that has a greater starting angle. But, that will only give you maybe another 1 1/2 inches.
The second, is to remove the axle, pull some of the underbelly, remove the axle mounting plates, add a steel channel to the frame, of 4, 5 or even 6 inches, weld new axle mounting plates to the new part of the frame, and then remount the axle.
Air shocks "WILL NOT" work.
Increasing the tire size, would add very little, but would cost probably more than it's worth.
Andy
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04-12-2010, 08:35 AM
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#5
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More than one rivet loose
Currently Looking...
Los Alamos
, New Mexico
Join Date: Feb 2006
Posts: 3,756
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Quote:
Originally Posted by sport 16
Just purchased a Sport 16 and I drive lots of rough dirt roads. With 6 inches of ground clearance, I'm a little worried about bottoming out. Wondering if anyone has ever seen a lift kit on an airstream??? If so, any thoughts or suggestions on the best way to go about adding ground clearance would be appreciated. If I pursue this option, I'll post the full story. Thx in advance. Best. JD
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You would need to replace the axle. One that has a different offset than your current one.
__________________
Michelle TAC MT-0
Sarah, Snowball
Looking for a 1962 Flying Cloud
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04-12-2010, 11:27 AM
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#6
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Rivet Master
1991 34' Excella
Princeton
, New Jersey
Join Date: Aug 2003
Posts: 7,070
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Can you post a picture of these petcocks?
My first thought would be to reroute them further forward if their source allowed that. Remember the clearance is measured along a line from the bottom of the rear most tire to the bottom of the bumper. Anything above that line should be considered as clearing any road conditions.
If you can turn the source of the petcocks above that line and route them forward to a point that allows access and remains above that line you should be good.
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles
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04-12-2010, 12:25 PM
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#7
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Rivet Master
1965 17' Caravel
1983 27' Excella
Walnut Grove/Laguna Woods
, California
Join Date: Jun 2004
Posts: 1,635
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I would opt for changing the axle for one with more starting angle. I did that with our Excella. It added more than 1 1/2 inches as the old axles were worn out, however it did put the trailer quite high. Wouldn't want it any higher.
A little more down angle may also be better for rough roads as it will be better "stepping over" bumps etc. Check out the down angle on off road vehicle trailing arms.
1 1/2 inches is really quite a lot when you see it, especially over the original height.
Adding to the frame is something that can not be undone easily, and would make the trailer very high.
Just my 2 cents.
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04-12-2010, 12:50 PM
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#8
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_
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, .
Join Date: Dec 2004
Posts: 8,812
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__________________
all of the true things that i am about to tell you are shameless lies. l.b.j.
we are here on earth to fart around. don't let anybody tell you any different. k.v.
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04-12-2010, 01:21 PM
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#9
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4 Rivet Member
2008 16' Safari
Destrehan
, Louisiana
Join Date: May 2009
Posts: 395
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I've got the same trailer and the same problem. I have not bottomed out yet, but I do worry about it. I was wondering if going to a 15" wheel would work? Is there enough clearance in the wheel well to do this. Also, would a 15" rim even bolt up to this axel?
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04-12-2010, 02:07 PM
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#10
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3 Rivet Member
2007 27' Safari FB SE
McKinney
, Texas
Join Date: Sep 2006
Posts: 109
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If you can't lift it look at armoring it to glide over those cantankerous obstacles. Lower COG is always better. A trailing arm suspension like used on most Adventure Trailers could be done and work quite well on and off road. It could be raised for rougher roads and lowered for highway travels. Check out Adventure Trailers website. The ir most current set-up uses a triangulated trailing arm with and airbag as the actual spring (in place of the torsion spring on the trailer currently) and then a shock absorber.
I am certain this will ruffle some feathers, but it is an option.
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04-12-2010, 08:01 PM
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#11
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Rivet Master
1960 22' Safari
in the wilderness
, The great Mojave Desert
Join Date: Jun 2006
Posts: 4,077
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I have the same problem and had the same questions and got the same answers and one more that has worked on dirt roads all over the Mojave and Sonoran deserts and Oregon forrest roads.
I was told to do what Wally did crossing Africa. Slow down. Seems like a smart aleck statement but it has worked for several years now.
__________________
I'd rather be boon docking in the desert.
WBCCI 3344 FCU
AIR# 13896
CA 4
Yes, we have courtesy parking for you. About an hour North of Los Angeles.
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04-12-2010, 08:07 PM
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#12
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Rivet Master
1965 17' Caravel
1968 28' Ambassador
Butte
, Montana
Join Date: Feb 2005
Posts: 1,201
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Quote:
Originally Posted by Goin camping
I was told to do what Wally did crossing Africa. Slow down. Seems like a smart aleck statement but it has worked for several years now.
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Bingo !
I've taken my Caravel down dirt and gravel roads with some rather large rocks in the way. Stock height. No problems.
__________________
AIR # 7276, WBCCI # 7276
Project 2k5
Life is a journey, not a destination
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04-12-2010, 08:25 PM
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#13
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Maniacal Engineer
1971 25' Tradewind
Lopez Island
, Washington
Join Date: Jan 2010
Posts: 1,244
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The simplest solution is indeed to slow down... but since inattention can strike, how about small skid plates that protects the vulnerable areas? Having a pet cock as your first point of contact seems almost assured of causing problems on rougher tracks, even w/ a careful driver.
A bit of 1/4" 6061 w/ a gentle approach ramp would help a lot.
Alternatively, redesigning the petcocks for more ground clearance might also be a reasonable solution...
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