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Saw this episode a few years back on a oval track, I think it was a Nascar track...
They also did the test to AC on AC off while driving..... Who know's really.... but their results show'd tailgate down did nothing to improve fuel economy...idk Same thing w/ AC and MPG... |
Since we are talking mythbusting...
Is it less expensive to keep furnace at a constant temp or to turn it down 10 degrees while away or night then when returning or morning turning it back to normal? I had seen an episode a few years back on leaving lights on or off. It was always less expensive to turn lights off then on no what the circumstance was....even if leaving the room for a split second. They even factored in cost of light bulbs burning out and replacing. |
Originally Posted by Poker~N~Run
(Post 3411917)
its been proven over and over. Leaving it up creates a low pressure zone in the bed pushind air out and making truck more aerodynamic. Leaving it down creates turbulence low in the bed. watch a cup in the back as you drive. It will slowly move around and then if it gets higher gets sucked out fast. That is the low pressure area in the bed acts like a bubble.
Bingo, just like air going over an airplane wing. |
Originally Posted by BBADWS6
(Post 3411719)
IMO, keep it up. Bedcovers are not suppose to help any either!
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get a net, airflow and tailgate at the same time.... next!!
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Mythbusters is TV, not science.
Keep your tailgates up. Kevin Cooper from the National Research Council of Canada has a good technical paper on this subject (SAE 2004-01-1146) Here's a summary of the paper - http://www.nrc-cnrc.gc.ca/eng/news/n...down-myth.html |
Road and Track (or Car and Driver...I forget which one) did a study and they concluded tailgate up. It was a few years back but I remember the study since I drive a pick-up as my main vehicle.
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Just trying to save more money to bouild a faster boat Mike. Got to catch you!
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Originally Posted by Velocity Tom
(Post 3412282)
Just trying to save more money to bouild a faster boat Mike. Got to catch you!
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The last time I checked, driving in Fla with the gate down will get you a ticket.
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