Quote:
Originally Posted by kach22i
From what I've read a 10 or 12 percent downward angle on the "garnish" will net a +20% reduction in drag, but a +30% increase in lift. This is one of the reasons I never angled it down.
I would be interested if your "science" can measure this reported "lift", or at least graphically represent it.
I think for the most part your program underestimates the suction/flow of air though the small air gap between the end of the roof and the beveled leading edge of the wing. I do need to find a way to measure this alleged flow, smoke bomb in a coffee can on the roof?
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Texas Tech found that the most beneficial angle depended on whether the truck was long-bed, short-bed,long-wing,short-wing,and degree of bed cover.
It's gonna be hard to do the 'one-size-fits-all.'
'suppose a step-side would have its own peculiar flow.