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Old 02-24-2011, 03:22 PM   #1
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Floor/Frame re-enforcement to 31' for Jeep garage?


I am thinking of gutting a 31' - 34' trailer, and rebuilding the inside to have a tripple-bunk bed in the front, move the bathroom forward, placing a divider-wall forward of the axles, and using the back to pull the Jeep TJ Wrangler inside (like a toy-hauler) by cutting the rear dome off, and in half, hinging it like "barn-doors"' for entry.

I have had some responses on another forum thread about this, but I figured this would be the place to get expert advice on whether I can sure up (re-enforce) the floor sufficiently, either with aluminum ramps or 2x6's, that the trailer would accommodate the Jeep.

The kitchen and all appliances would be eliminated, as would the rear queen and associated furniture. All that would remain is:

Forward of the axles: Plywood dividing wall with door, desk/work area, tripple-bunk bed, and some closet/dresser type storage for the boys clothes and toys and such - and a TV/DVD/Game system thing.

Aft of dividing wall: The Jeep (centered on the axles), potentially floor-re-enforcement, some light storage spaces for linens, clothes, tools, extra fuel cans, extra LP-gas tanks (the portable tall kind), and the structure to accommodate the hinged rear section.

I would leave the fresh/grey/black water tanks where they are, and would also keep the built-in LP-gas tank and furnace, but would remove the stove/range/oven, fridge, microwave/convection, sink, range hood, etc., and all associated cabinetry, as well as all the furniture (queen bed, cabinets, etc.) in the rear. I can build the tripple-bunk setup fairly lightly in the front, as well as any cabinetry and tables.

Any help/technical insight would be greatly appreciated.

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Old 02-24-2011, 03:29 PM   #2
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If you buy a top of the line car-hauler and want to tack an Airstream shell on top, go for it. Otherwise its a non-starter, period.


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Old 02-28-2011, 06:14 AM   #3
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I've just made a new frame for my 31' AS and can tell you that there is not enough metal in the OEM frame to support a vehicle. I actually used box beam for my new frame instead of the channel, and I wouldn't try to carry a jeep. I guess you could make an enitrely new frame, properly engineered, about twice as thick. Then put you shell on it, sorry this is starting to sound like the previous response. Try an enclosed car trailer with sleeping quarters.
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Old 02-28-2011, 07:29 AM   #4
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William F Lear (designer of the Lear Jet) was driven When other engineers said that what he was trying to do was impossible.

I would start with a 34 because of the triple axle.

First problem- you are asking the trailer to carry about 4,000 - 5,000 more lbs than it was designed for, so you have to design for that. I suppose you could remove the body and modify the frame so that it is as strong as a new car hauler frame.

The biggest problem I think will be designing the rear opening doors.

Are you aware of the triple axle toy hauler in Michigan?

Good luck.

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Old 02-28-2011, 07:38 AM   #5
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Here is the link on the Sparton Toy Hauler.

BaT Exclusive: 1951 Royal Spartanette Converted Hauler BaT – The best vintage and classic cars for sale online

The description references a link to the 727 photos taken during the build process. These should help you some.

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