Does this frame cross-member break matter?
Yes, I suppose it matters. I was chasing a plumbing issue and discovered this when I opened up the underbelly of the rig. At first I thought it was one of the black tank supports but on closer ins...
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Can you see into the floor assembly from above the floor anywhere like maybe holes for piping? You could maybe use a piece of wire to see how far down it would go before touching the fabric? Or a pipe inspection camera? In a house you're usually like 5/8" plywood supported on 16" centers or sometimes a bit more but then the plywood needs to be thicker. I know some trailers have weak floors and you can see them sag when walked on but don't know if it's because of too thin plywood or joists too far apart. Maybe someone here can elaborate as I'm interested in knowing anyway.
joebedford wrote:myredracer wrote:I have the advantage of many more photos of the underbelly. I have not seen anywhere the floor touches the cross-beams. The floor seems to be entirely supported by the frame rails and the "wing extensions" that go about 10" outside of the frame rails - nothing in the middle.
You can't possibly have the OSB or plywood floor supported only on the I-beams and crossbeams.
The upper 5th wheel section of the RV has the square aluminum tubes under the floor like you describe but I see no signs of anything like that in the lower level.
The floor in the 5th section is OSB. The floor in the rest is foam core plywood skin. It probably has internal studs like the walls. Maybe that's why no external support?
The kitchen center island is on top of this section of floor. The fridge and stove are in a slide.
The garage has a couple of heavy beams but there's one section of floor with no external support. At least the fuel tanks have good support. I've never noticed any floor flex with one heavy bike and heavier trike in the garage.
