Hey guys - on these tonneaus, tailgates, and MPG numbers.
The covers do eliminate the 4' tall vertical drop from the rear edge of
the cab down to the bottom of the truck bed, so we *should* be seeing a
gain there, but I'm just not getting that on my dak. The drag from the
truck's (with toneau) comes from:
a-relatively big frontal area
b-lots of air going under the truck and mixing with the mechanicals
c-vertical drop behind cab to top of tonneau
d-vertical drop from top of tailgate to bottom of bumper.
Agree, disagree, impartial? any aerodynamicists out there?
Later,
Cale
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