It's been a while since I've visited and have a new project in mind. Fell off my boat into a house at a sunny 23 degrees North. I'm installing a new steel roof over a part of the garage and figured I should take the opportunity to install solar. The piece of roof I'd like to install on is about 4.7 x 4 meters with about 10 degree slope facing WSW (240 degrees). I was thinking of mounting to square section 1.5" square steel tubes running across the 4m width and supported at the ends so as not to penetrate the roof. They'd hold the panels about 15 cm above the roof. My first question is how does this sound - especially given that we get hurricanes here with 100mph+ winds. A second question is if I should leave a gap between each panel to reduce any pressure changes across the panel array and how big a gap I need.