Frontal Sq'
Is there a formula for calculating it for a curved front TT? I called Coachmen to get the frontal sq' of the 192RBS during my researching and they don't have any idea. All they could tell me is "if ...
Forum Discussion
rbpru wrote:
If there were a shape or gizmo that made enough of a mileage difference without effecting the utility of a TT, it would be standard on every semi on the road.
There are a few items that help but nothing that amounts to a major break through; except perhaps for an electric or hybrid powered pick up.
Some semis have air foil extensions at the rear, on the top and sides that angle in to help it break out of the air stream. And I've mentioned before that many have the long under side panels directing the air flow out in front of the tires to control turbulence.
