03-20-2012, 09:59 PM
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#1 (permalink)
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Master EcoModder
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Aero Semi-truck butt......
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 Today
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Other popular topics in this forum...
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03-21-2012, 01:56 AM
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#2 (permalink)
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EcoModding Apprentice
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Still haven't seen a boat tail on a semi but some of the team trucks at 12 Hours of Sebring had smooth hubcaps with an interesting mount on them. Hopefully I can find the pictures I snapped of them.
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Civic Build Thread
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3.788 Civic CX final drive, air dam, 1st gen HCH 14" wheels and Michelin Defender 175/65R14 LRR tires
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03-21-2012, 10:33 AM
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#3 (permalink)
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EcoModding Lurker
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I've been noticing those more and more these days.
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03-21-2012, 12:14 PM
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#4 (permalink)
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Master EcoModder
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Looks like any other UFO sighting to me.
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You cannot sell aerodynamics in a can............
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03-21-2012, 01:30 PM
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#5 (permalink)
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PSmodder lurker
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ATDynamics aero-equipped trailers, getting to be quite a common sight on the I-5, I-10, I-15 & I-40. Long distance runs going in & out of the metro LA transportation hubs and throughout the Southwest.
Look out for these fleets on your highways. Fleets | ATDynamics |
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03-21-2012, 08:14 PM
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#6 (permalink)
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Master EcoModder
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I'm glad that these are finally catching on. I remember reading about wind tunnel tests that NASA did in the late 1980s or early 1990s where they found that flaps sticking out the back of a trailer like this were something like 80%+ as effective as an actual boat-tail on the trailer.
-soD
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09-03-2012, 09:32 PM
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#7 (permalink)
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Not Doug
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I saw a couple driving back from California. I think that the first one said "Trucktail" or something. I did see one truck with smooth wheel covers.
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09-03-2012, 09:34 PM
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#8 (permalink)
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Not Doug
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Oh and I saw one truck with vector generators. I knew that you guys would love that!  |
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09-04-2012, 02:43 PM
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#9 (permalink)
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Master EcoModder
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Quote:
Originally Posted by some_other_dave
I'm glad that these are finally catching on. I remember reading about wind tunnel tests that NASA did in the late 1980s or early 1990s where they found that flaps sticking out the back of a trailer like this were something like 80%+ as effective as an actual boat-tail on the trailer.
-soD
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Got a source on that? Interesting.
Good spotting, crews. I've been on the lookout as well.
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09-04-2012, 02:55 PM
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#10 (permalink)
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EcoModding Smurfer
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It's always amazed me that an industry driven by cost-per-mile would have almost the exact same MPG today that they had 40 years ago. Considering a 1-mpg increase is actually about a 14% increase...
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