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10-11-2011, 06:02 AM
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#1
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one of those
2011 27 FB International
'03 F250 PSD
, Airstream summers, Catalac winters
Join Date: Apr 2011
Posts: 1,091
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Anyone know the rollover angles?
I am trying to pick a route across a meadow to a spot where we plan to be spending a lot of time with the 27 FB. The road across the meadows is pretty easy going, but there's a twist and turn at the end down to the spot we've picked.
At that turn I will be pulling the trailer down and across a slope.
I think I should be okay, but also would like to know what the rollover angle is for the trailers, if anyone knows that.
Or if anyone has any experience pulling these across the side of a hill?
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10-11-2011, 10:26 AM
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#2
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Wise Elder
2010 30' Classic
Vintage Kin Owner
South of the river
, Minnesota
Join Date: Dec 2009
Posts: 4,169
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Who knows? I wouldn't take the word of anyone on the internet anyway. I would guess that the tires will slide first, but that's just a guess. Airstreams are wide and the center of gravity is low.
But ground clearance and turning clearance are usually the limiting factors when off road. With a long trailer, the approach, departure, and breakover angles are extremely limited. It's easy to do expensive damage.
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10-11-2011, 12:59 PM
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#3
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Rivet Master
2019 27' Flying Cloud
Albuquerque
, New Mexico
Join Date: Nov 2005
Posts: 1,917
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It Absolutely, Positively... Depends
...on a number of factors.
1. The more liquid in your holding tanks, the lower your center of gravity.
2. The more sewing machines and encyclopedia in your overhead bins, the higher your COG.
And so it goes.
Generally one would expect your tow vehicle to roll over before the Airstream if the Airstream holding tanks are full.
__________________
Ken L 2019 Flying Cloud 27FB
2020 GMC Sierra 1500 Crew Cab 6.2L Max Tow Four Corners Unit WBCCI #5783
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10-11-2011, 02:52 PM
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#4
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Rivet Master
Commercial Member
1954 22' Safari
Deerfield
, Illinois
Join Date: May 2003
Posts: 1,419
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I have zero experience with this type of situation, but IF it were me, I suppose I'd give passing thought to running a strap through the roof vent... out the door... hooked to a rope... tied to a heavy truck above your route on level ground. It could follow along, keeping the rope slack but being there "just in case".
Good luck - say, have someone shoot your whole stunt on video -- I'd love to watch! Plus if things go awry you can send it to AFV... maybe win enough cash to fix the trailer.
__________________
Brad
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10-11-2011, 03:07 PM
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#5
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Rivet Master
2006 23' Safari SE
Holly Lake Ranch
, Texas
Join Date: Sep 2010
Posts: 1,794
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Perhaps you should have La Gringa drive and you can hike off the high side of the AS to keep it on an even keel . . . just need to bring the trapeze from the Hobie with you :-) Yes I know its not very constructive but its a thought....
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10-11-2011, 03:13 PM
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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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I doubt that you will find an area in a meadow, especially one that has been cultivated, that would tip a trailer at slow. Speed is a considerable factor in highway rollovers and you will not encounter that factor towing across a field.
The Center of Gravity on your trailer is quite low and the width of track most likely greater that you TV. If you are comfortable driving that area the trailer should follow along.
Just do it on dry ground.
__________________
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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10-11-2011, 04:05 PM
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#7
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Certifiable
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, .
Join Date: Nov 2006
Posts: 4,467
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They got an app for that! App Store - Clinometer - level and slope finder
The angles are probably way more than that of a Jeep:
40 degrees left/right, 60 degrees front/back, or so ....
Stick some fat tires on that bad boy and please post the video here first!
__________________
"IT'S A MAGICAL WORLD, HOBBES, OL' BUDDY... LET'S GO EXPLORING!" ~ CALVIN
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10-11-2011, 06:06 PM
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#8
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4 Rivet Member
1972 25' Tradewind
Madison
, Wisconsin
Join Date: Apr 2005
Posts: 396
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cross slope travel
For what it is worth, I have observed a Terragator go sideways down a about a 12% grade. It was spring and moist and but there was vegetation, no one expected that to happen especially where it did. Fortunately no damage other than the driver needing to change some clothes.
Walk the route first, if you do pull, fill your water tank. It could help with the center of gravity. Have plenty of planks and wedges and piles....then have an adventure.....just stay on the high side.
For the record---cross slope travel on most grades is not a great idea. Most are highway grades are set at about 6%, with s few as high as 12 in some mountain areas or high grade areas.
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10-11-2011, 08:05 PM
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#9
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Rivet Master
1956 22' Flying Cloud
1953 32' Liner
1955 22' Safari
Valley View
, Texas
Join Date: Jan 2006
Posts: 3,971
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In keeping with my adage...if you have to say "I think I can make it".....you can't. This applies especially well to flying, but can be used for Airstreaming too.
__________________
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."
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10-12-2011, 04:36 AM
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#10
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Rivet Master
1981 27' Excella II
mays landing
, South Jersey
Join Date: Nov 2009
Posts: 1,179
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FULL WATER TANK. Not half full. Sal.
__________________
Sal & Nora
Let us live so that when we die even the undertaker will be sorry. Mark Twain
AIR 42483
TAC N.J. 17
WBCCI 24740
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10-12-2011, 05:01 AM
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#11
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Rivet Master
Join Date: Mar 2003
Posts: 2,190
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What if you want to get it out of the meadow
I have a meadow and a hill. I was thinking of the same thing you were.
I decided that it would be better to build a small cabin. A cabin would be easier to insulate, heat, modify and so on. Trailers were meant to travel, and therefor less capable of keeping you comfortable in the winter.
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10-12-2011, 06:12 AM
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#12
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Rivet Master
1977 Argosy 24
Currently Looking...
Milltown
, Wisconsin
Join Date: Mar 2006
Posts: 1,087
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If it's your land I would hire someone with a bulldozer to cut a level road in the bad part of the meadow. Then you could pull in and out whenever you want, without any worry of wrecking your tow vehicle or Airstream.
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10-12-2011, 01:27 PM
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#13
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Vintage Kin
Fort Worth
, Texas
Join Date: Nov 2006
Posts: 8,014
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Maybe it's the rollover parking angles:
BartS and the Tin Pickle
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10-02-2012, 10:16 PM
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#14
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Travel Monster
2002 25' Safari
Killeen
, Texas
Join Date: Sep 2012
Posts: 3
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I'd be willing to bet that if your TV rollover angle is not exceeded then your AS won't roll. The AS has a lower critical angle than most TVs. Hence the reason they tow so well.
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10-03-2012, 12:46 PM
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#15
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one of those
2011 27 FB International
'03 F250 PSD
, Airstream summers, Catalac winters
Join Date: Apr 2011
Posts: 1,091
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After careful consideration, we've decided to rent a Bobcat or equivalent and make a short road through the worrisome part. I was out there this week with a pickaxe, and it looks to me like dirt I can work with. Long as I avoid these huge rock formations.
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10-03-2012, 12:59 PM
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#16
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Rivet Master
1988 25' Excella
1987 32' Excella
Knoxville
, Tennessee
Join Date: Oct 2010
Posts: 5,119
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I would be worried and exceedingly careful. Not just the angle to be considered. If the trailer or TV breaks traction and slides sideways it can result in a roll over at a lower than maximum angle when it catches. If the low side trailer wheels drop into a hole or soft spot it makes it worse. Not saying I would not do it, but those are considerations learned from a small amount of 4 wheel experience.
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10-03-2012, 01:38 PM
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#17
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Rivet Master
2006 23' Safari SE
Holly Lake Ranch
, Texas
Join Date: Sep 2010
Posts: 1,794
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Quote:
Originally Posted by Gringo
After careful consideration, we've decided to rent a Bobcat or equivalent and make a short road through the worrisome part. I was out there this week with a pickaxe, and it looks to me like dirt I can work with. Long as I avoid these huge rock formations.
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Ummm, not sure but I think those huge rock formations are actually the Rocky Mountains. Yes, I know. helpful information always appreciated.
Hope you guys are enjoying your dry land vacation :-)
Dana
__________________
Dana and Olga
2006 Safari 23
2011 Tundra Double Cab
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10-03-2012, 02:03 PM
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#18
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one of those
2011 27 FB International
'03 F250 PSD
, Airstream summers, Catalac winters
Join Date: Apr 2011
Posts: 1,091
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We're calling it our "Tropical Vacation". After the 40 days on the catamaran, We just seriously needed a vacation from the tropics. But now we're seeing a forecast for Ft. Collins to get down to 27 deg. tonight, with a high on Saturday of only 37. Uh...we start getting cold around 70. It's been a great three weeks, but it's looking like Time to head back to de islands, mon.
I got a boat that needs work down there, anyhow.
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10-03-2012, 03:51 PM
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#19
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Chief Chili Cook
2010 30' Flying Cloud
Bakersfield
, California
Join Date: Feb 2009
Posts: 738
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Hey Gringo, sounds like you got this sorted out already with the impromptu road building. But another reason to not push your luck is you could roll the tire off the bead, damaging tires and wheels in an impossible position to change them.
__________________
The NSA -- The only part of the government that listens.
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