I put 4 125 watt panels on lenght ways with mounts that raise them about 1 1/2 inches. I was careful to place them where they could never be in a shadow. Be sure to look at the vents raised. I have room for 2 more length ways and one cross ways in the front.
I would not mount the panels that high. But, this is not based on any facts about wind lift or drag. It is just my opinion which is worth what you paid for it.
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