Congratulations on the new jeep. Welcome to the madness. Now "Just Empty Every Pocket". Nice back story. You are now part of the jeep culture and will soon understand what is so different about us.
My concern is that you have no triangulation on either design. I would be worried that you have stress points on both designs.
the distance from where its secured to the post there is going to be a lot of up and down force that could either shear the bolt or crack the plate. Maybe I'm wrong but...
Personally I am not thrilled at your approach. I understand why but I would not want my supports hanging outside the bedrail. I would rather modify the cover to go in than the supports to go out. your cover is not structural and is not supporting a heavy load. I know this may require a bit of...
Any rack is going to mess with aerodynamics. The biggest issue I see is the soft bulky rooftop tents. The thing is a brick. Unless you use something hard shelled like on the wayout concept that at least has some aerodynamics to it. This is an area that I am addressing with my new design.
As far...
I am working on one with @ralphjjr right now It will be made with 80/20. It will consist of 2 side storage boxes and an adjustable bed slide. I am sure Ralph will have it in his build thread when we start the prototype. This will work with no drilling.
There is another project I am working on...