Actually that air dam is causing some issues. I'm no engineer so everything I build is mostly based on a common since approach. Being a pilot and understanding the drag associated with flat surfaces I decided to try to direct the airflow over the top. So the dam was constructed with about a 3/16 gap between the dam and the top of the Sprinter. I knew going in there was a possibility of air lifting up the dam or worse the air flow could cause flutter. And sure enough the first time I took it for a test drive at about 80 MPH it did just that, I hit the brakes and it stopped immediately. I could slid the whole rack to the rear of the van and close the gap between the Sprinter and the Dam, but I suspect the rack would eventually rub the top of the sprinter. Especially knowing how much these vans flex.Interested in that air dam up front?
Really nice rack, but seems like an awful lot of expense to mount 3 solar panels? Do you put anything else up there? Seems like it would be hard to step over the solar panels with any amount of gear in your hands?Flip..