yes, pushing the windows out to the surface is the way to go. then you will have useful ledges inside. if it is possible you might want to create angles on the inside of th walls to allow viewing thru the window from greater angles. the 2' thick walls will really limit views from the inside except from straight back from the windows.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.