hi Dave yeh I have decided not to do it after all as the affect would be minimal I have ordered another solar powered exhaust fan instead and I now have a Telegizmo scope cover (thanks Santa) that fits the scope and mount and Pier plus if it is real hot and I am home I can just open the door for extra air flow .
also where I live is not far from the coast as you mentioned and it only gets extremely hot every now and then . Thank you every one for your input it was just a thought .
hope you all are having a great Xmas
cheers Pete
