Quote:
Originally Posted by drmiller100
Chas, There is almost NOTHING more ideal then a LOOOOOONG straight trailer.
I believe we will see the benefits listed, perhaps a bit more.
As I interpret Aero's comments, he is saying the same thing. We might be off 5 or 10 percent, but the savings are HUGE.
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Keep in mind that the "aero drag" part of the fuel economy equation here is still only a one part of the overall picture. Sheer engine size, large frontal areas, unsavory aerodynamic interactions between the truck and trailer, and even skin drag on such a large vehicle comes into play more. None of these items are being affected by the addition of the tail cone, so a 50% improvement at the rear, is still only 50% of maybe 20% of the equation (WAGing myself at this point) The improvements at the rear are only going to get you 10-15% better mileage tops if done properly. Driving habits are still the biggest area for improvement.
I highly doubt you'll go from 11MPG to 16MPG by slapping a tailpiece on your rig. If your definition of HUGE is 11MPG to 13MPG, and good driving habits end up getting you to 14MPG, then I guess we're talking the same language.