...planning... build in my 94 G20 eclipse and need some advice...travel with a 70 lb pit and a 100 lb pyrenees so what's really in my mind is whats gonna be more comfy for them when the bed isn't down?!...
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a)
I think your foundation is flawed.
You are attempting to create three dimensions on a two dimensional sheet of paper.
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Semi-retired welder-fabricator here.
In the shop, we constantly build full-size cardboard mock-ups to verify fit, access, interference.
The system transfers to designing a rig interior.
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b)
If I was me, I would start with the safety and comfort of the canine herd:
* traveling, where are they safest in a wreck
* parked, where are they comfortable
* food and water storage
* adequate responder alerts posted on the rig exterior in case of an unattended fire... or your disability.
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c)
Glancing at your designs, I think you are trying to carry everything you might need, and trying to make everything fit.
Based on your herd plus your bed preference, might a bigger vehicle be appropriate?
A trailer for the peripheral gear?
A live-aboard trailer with the dog-stuff in the van?
And I wonder about the spiritual well-being of your companions in the labyrinth you envision... (not good nor bad, just wondering).
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Our hx:
After a half-century of make-do camping in lesser rigs, in 2003, we built our ExpeditionVehicle with a permanent bed, ready for an afternoon 'nap'.
We would be 'inconvenienced' -- interrupting or trimming our 'nap' -- to deconstruct and re-build half the rig each time.
Not every reader of this forum would agree with nor require our impromptu 'down-time', but we get 'tired' often and need our 'rest'.
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PS:
We travel with three Heelers.
If anybody suggests we pare our numbers, they have zero clue about what we are about.