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Old 11-01-2011, 10:37 AM   #1
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1981 31' Excella II
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Spare tire carrier under rear end.

Would it cause a disturbance it the Airstream Force if I put a spare tire carrier under the rear of my trailer where there is lots of room since it is a center bath model it is relatively unloaded compared the the rear bath models? I picked up a spare rim and tire for $106 at a local trailer place. I don't know that I would run it full time but it beats the heck out of running on three wheels. It came with a D rated 225/75-D15 trailer tire.

Next question is where to find a carrier or do I need to make one.

Perry
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Old 11-01-2011, 11:08 AM   #2
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It would be low, might drag it off, especially on a 31'. Front would be better. Ours is up in a "well" at the front end, in a carrier. If you don't have the well, back of the TV may be best bet. John
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Old 11-01-2011, 11:11 AM   #3
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Originally Posted by perryg114 View Post
Would it cause a disturbance it the Airstream Force if I put a spare tire carrier under the rear of my trailer where there is lots of room since it is a center bath model it is relatively unloaded compared the the rear bath models? I picked up a spare rim and tire for $106 at a local trailer place. I don't know that I would run it full time but it beats the heck out of running on three wheels. It came with a D rated 225/75-D15 trailer tire.

Next question is where to find a carrier or do I need to make one.

Perry
Don't do that.

The ground clearance will go south.

Spare tire carriers already exist, that fit very neatly underneath the front end of the trailer, and made by Airstream, that do not change the ground clearance.

Andy
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Old 11-01-2011, 11:48 AM   #4
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If you don't have the one in front, it's relatively easy to install. Most Airstream dealers sell the carrier, all you would have to do is cut the belly pan between the A-frame and front crossmember, and put the aluminum up against the floor and bolt the carrier in place. Yes, the crossmembers already have the threaded holes in hem.
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Old 11-01-2011, 02:50 PM   #5
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Well the same clearance problem will exist if the tire is located in the front will it not? Either way you have to remove the skin and make a pocket for it to fit in. The skins are already off in the rear right now and that is the reason I want to put it back there. I can't see it sticking down much below the original skin level. The tire would fit almost all the way to the floor between the beds.


Perry
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Old 11-01-2011, 03:35 PM   #6
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I Wouldn't Do It

I am surprised Andy didn't mention the risks associated with hanging anything that far aft on a vintage 31.'
There is no frame to speak of back there. The floor is literally supported by the shell, I believe.
A heavy spare that far back could cause frame separation and tail droop.
Imagine the floor as a long lever arm, with the fulcrum at the axle. Every jolt and jar would be tearing the floor assembly from the shell.
Let's see if Andy will confirm, or deny, this observation.
P.S. I've seen folks destroy their Airstreams by attaching big storage boxes and generator storage racks to their rear bumpers.
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Old 11-01-2011, 03:47 PM   #7
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I am surprised Andy didn't mention the risks associated with hanging anything that far aft on a vintage 31.'
There is no frame to speak of back there. The floor is literally supported by the shell, I believe.
A heavy spare that far back could cause frame separation and tail droop.
Imagine the floor as a long lever arm, with the fulcrum at the axle. Every jolt and jar would be tearing the floor assembly from the shell.
Let's see if Andy will confirm, or deny, this observation.
P.S. I've seen folks destroy their Airstreams by attaching big storage boxes and generator storage racks to their rear bumpers.
Mounting anything on the rear? HECK NO, PERIOD.

The spare tire mounted in the front, cannot possibly lower the front clearance, since the tire itself, sits on a platform, that pushes the tire against the bottom of the interior floor.

The underbelly is cut out within the A-frame. That metal is then fastened to the bottom of the floor. Sealing with Vulkem is a must.

When done correctly, if the font of the tralier is on the ground, without a jack, you still cannot touch the tire carrier with the ground.

Andy
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Old 11-01-2011, 04:18 PM   #8
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Well the same clearance problem will exist if the tire is located in the front will it not? Either way you have to remove the skin and make a pocket for it to fit in. The skins are already off in the rear right now and that is the reason I want to put it back there. I can't see it sticking down much below the original skin level. The tire would fit almost all the way to the floor between the beds.


Perry
The spare is supposed to go at the A-frame. The tongue jack base and WD brackets will be torn off before the spare tire carrier contcts the ground.
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Old 11-01-2011, 04:47 PM   #9
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Mine is an 81. I have a full box beam and no bathroom and no holding tanks back there. I am probably 1000lb lighter back there than the rear bath models with the same frame. The 70's model 31's had just a single C-Channel beam instead of a full box beam. It was just an idea guys.

Perry

Quote:
Originally Posted by Alumaholic View Post
I am surprised Andy didn't mention the risks associated with hanging anything that far aft on a vintage 31.'
There is no frame to speak of back there. The floor is literally supported by the shell, I believe.
A heavy spare that far back could cause frame separation and tail droop.
Imagine the floor as a long lever arm, with the fulcrum at the axle. Every jolt and jar would be tearing the floor assembly from the shell.
Let's see if Andy will confirm, or deny, this observation.
P.S. I've seen folks destroy their Airstreams by attaching big storage boxes and generator storage racks to their rear bumpers.
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Old 11-01-2011, 06:37 PM   #10
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it would be fine, since you have the belly skin off already, just make a bracket out of some old angle iron and weld it between the frames. btw, i see you are in new market. i am in opelika.

ps. some of these guys are a little intense. i think some of them might be yankees. i was at desoto s.p. last week, it was ok but too many people.
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Old 11-01-2011, 06:55 PM   #11
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Do yourself a favor, buy the carrier,mount it under the front, out of the way, could even help with tongue weight.
ps. South Carolina was the first state to succede from the Union (and the first to sign the Declaration of Independence)
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Old 11-01-2011, 07:08 PM   #12
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tire carrier

you mean "secede" !! wolf146
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Old 11-01-2011, 07:10 PM   #13
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Um, I'd be slow to ignor the advice of those with over 10,000 posts and have essentially made their careers around Airstream.
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Old 11-02-2011, 05:39 AM   #14
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Wise man once said, " If you're gonna be stupid, ya better be tough"
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