The upslope on the rear would also help with departure angles on driveways and such. I like Chaz's 10 degree but the 18 is also ok for me as that area is just where your feet would go on a rear bed. So the side taper would also help the vortexs right?
I was just going over TV to trailer gap ideas today also. Something flexible would be good that could absorb the turns, or I was contemplating a movable tongue or hitch. Then I thought a 5th wheel design instead might be better but then I'd have to get a pickup that I would otherwise not use where the minivan is a daily driver.
I like freebeards design but the rear door makes for what seems like a wasted hallway where you can't use that rear floor well. A side door would have to be complicated not an off the shelf $200 ebay unit.
My goal here is to be able to tow it at about 65 getting 15mpg or better. A normal box trailer seems to drop mileage to 10 or worse.
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