Only partly on topic

I've got a project I'm building that I would like a little feedback on.
I'm building a scale model M1117 Guardian military vehicle. Although if I
build it properly it won't fly, I'm planning on using some composite
techniques that you guys are familiar with.

I have built a steel frame that will act as a role cage. My intentions were
to glue foam to the frame, then glass over the outside and inside. I haven't
actually worked with fiberglass before, so I could use some pointers. My
first question is weather there is a better core material than foam for my
application. I understand that foam has some heat issues that require white
paint. Obviously I would rather a nice pretty camo pattern. I'm not as
concerned with weight as I am strength, but I do need to keep it lighter
than 1/2 plywood. The body panels need to withstand multiple paintball hits,
and an occasional tree branch. My next concern is the possibility of my
steel cage causing the fiberglass to delaminate since it would be on the
inside of my composite.

Any suggestions from the experts?


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