Quote:
Originally Posted by skyking
Does it have a supplemental fan? If so, you could proceed with a tail design anyway. Usually there is too much airflow over engines and through radiators, lots of wasted drag.
EDIT: I will be drawing up my folding boat tail design for my 5th wheel in the next week or two. It is a little shorter in height than your MH, but just as wide and blocky at the back.
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It has a 3.5 ft. manual fan with a centrifical clutch. Have you tested your boat tail on the 5th wheel? Is yes then how much did it help?