>Your Dak is carrying more weight because of the fibergalss tonno >than the
>soft one, and since I got a V6,
>the less I weigh, the better!
----True, the weight is definietly much more of a factor on the V6.
>My soft tonno doesnt start to flap until about 50+ mph, so anything >below
>that and its nice and stable.
----But that's just about the speed where aerodynamics starts to play a
major role in fuel economy right? i mean, in the city i never go more than
40 mph (70 kph) and so any slight effect that having any tonneau on the back
is negligible.
>Besides the only other alternative to any of these two would have >been
>taking off the tailgate. (or that rubber net)
----There was a posting of a site that has this long study about what was
the very best thing aerodynamically for the back of a pickup bed. I'm sure
other DML'ers know what i'm talking about.
It said that putting the tailgate down helped the aerodynamics of a truck,
but removing it, or attaching that netting stuff actually made it worse.
>Sure it flaps, but Ive taken that flapping tonno well over 100 mph, >and
>let me tell you its better than nothing.
----That's kinda my whole point though--that flapping is hurting the
aerodynamics of the vehicle, and therefore the fuel economy. With the hard
cover, no flapping, smoother air travel around and over the truck.
I need an acronym for aerodynamics, used it a lot in this thread. :)
Frank WJ
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