Quote:
Originally Posted by ChazInMT
These kill me, it dawned on me what is the most troubling thing about these. If it provides a benefit, than it must be generating a thrust.
Since it is in the airstream, no matter how aerodynamic it is, it will be an aerodynamic drag. So not only will the resultant thrust created by this thing have to overcome the drag it creates, it will have to generate additional thrust in order to provide a benefit to the car upon which it's mounted.
Website claims are 100-200% fuel mileage improvements. |
Yes all claims are always 1000% creditable,
Anyway the ones of those that supposedly work (aka some folks were testing them long term) on the forum that discusses those things are NOT mounted to the top of the vehicle, they actually mount them off the rearend a bit (the creator says the further off the rearend the better) Also the only people who claim them to do something are driving vehicles with cardboard box shaped aero on the backend.
They also need to angle them like a kamback (they call it tune it).
So could that strange thing work off the backend of a box vehicle when placed in the circling vortex there? Maybe, why do I think it would? because my suburban got 2mpg better mileage anytime we had the generator and the pad hooked off the backend to the trailer hitch.
My guess is anything that disrupts the spinning air has some sort of aero effect, though I doubt it needs to look like that to work.
A real kamback probably works better wouldn't you say?
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