Air curtains, on trucks
A very subtle detail opening is all you need.
https://media.ford.com/content/dam/f....firefoxhq.ogg https://media.ford.com/content/dam/f....firefoxhq.ogg |
curtain
They mentioned it in the wind tunnel video of the F-150.'would have been nice if they had attached a numerical value to the difference.!&%#)&*@+*&^%!!!
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Or a cutaway drawing. Horizontal slot inlet and vertical slot outlet?
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2015 Ford F-150 'Air Curtain' Cuts Aerodynamic Drag
2015 Ford F-150 'Air Curtain' Cuts Aerodynamic Drag http://images.thecarconnection.com/m...00518950_m.jpg How do Air Curtains Improve Fuel Efficiency on the 2015 Ford F-150? Air Curtains on the 2015 F-150 Reduce Drag | Matt Ford Blog http://www.mattford.com/blog/wp-cont...educe-Drag.jpg http://www.texastypeamom.com/2015/01...fordnaias.html http://www.texastypeamom.com/wp-cont.../15.jpg?a1eeea Quote:
http://www.texastypeamom.com/wp-cont...1/3.jpg?a1eeea http://www.texastypeamom.com/wp-cont...1/4.jpg?a1eeea |
For anyone just tuning in, this was first brought to market by BMW a few years back.
This is an example of a Coanda Nozzle, taken in a wind or water tunnel: http://ecomodder.com/forum/member-fr...70-imagesa.jpg In this case the rounded surface is the shoulder of the tire. The size needed is really small. I'm collecting parts for air curtains for my car. It was going to 3 or 4 times this size, and have a shark fin added outside the stock fender to put the air past the face of the tire. It looks like on the Ford truck the outer half of the tread is the target. Any guidance on this? Maybe I'll just stop by a Ford dealer. |
Although the air curtain may help, I'm virtually certain there will be no laminar flow over the wheel and tire, despite the dubious claim by Ford.
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Looking at the videos, I cannot see any significant difference in flow.
The outlet picture of the wheel well appears to show an adjustable gap, and if so, this could easily be adapted for use in other cars, by trimming the fender liner. BMW already did air curtains several years ago, so nosing around their showrooms may be more useful than Ford's. |
wax
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It's manufactured near Rachel,Nevada. |
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