Again, the PERFECT is the enemy of the GOOD. A short tail in the 10’ to 15’ range would eliminate MOST of the rear drag, even though a 30’ to 40’ long tail would be perfect as per this kamm effect. Truckers don’t care about PERFECT, improving their mpg is all important to them, even a 50% reduction is GOOD NEWS.
Like all the other critics here, you try to mask laziness with our know-it-all brickbats. The simple truth is that you and yours do NOTHING for the energy picture. I and others like me are trying to HELP truckers and our ecomony in general by improving the aerodynamics of inefficient semitruck boxes; the aeroshell is a GOOD start, now the bookend TAIL.
You people remind me of what Jesus said : Lawyers, liars, pharisees, hypocrites; you load burdens on other men’s backs but won’t lift a finger to help. And as it is said : no one ever built a monument to honor a critic. If YOU and yours are ever going to ever be WORTH anything, get off your dead ***** and DO something worthwhile.
I remember doing some of these calculations in college, but that was over 20 years ago.
Question, what do you mean by 50% reduction? I assume 50% less drag. How does that translate to fuel consumed?
Real world question: Which will get better gas mileage:
A) An open bed pickup truck with the tail left down,
B) or the same open bed pickup truck with the tail up in the closed position?
Final question: what chapter/verse is your Jesus quote from?
As a side note, it’s usually not wise to patronize anonymous posters over whether or not that person does anything to help our economy or truckers.
I flash truckers into my lane nearly every single trip to and from work. That should count for something.
I build products vital to our national defense and our allies national defense (devices that find enemy submarines). You likely do not. Certainly this doesn’t imply do NOTHING to support our nations defense. Nor would criticizing parts of our military imply that either.