
It even has its own trailer...

Okay, yes, I know, it's still spring, but this is when I begin thinking about what kind of summer reading I might like to have on hand for those too-hot-to-clean days of summer. So, for this week's assignment, I want you to share with us the kind of summer reading you look forward to the most. Sci-fi? Horror? Political Thrillers? Romance? It's all good. Now, tell me more!
"It's very interesting to be with him. The most important thing that distinguishes him from many other people -- I won't name anyone by name -- he's a thinker. He thinks when he speaks."Hmm. Wonder who he might be thinking of?
"If you ride down the highway and you put your hand out the window and you hold your hand in the direction the car is traveling, there's not a lot of resistance," Darby said. "But turn your hand sidewise and it'll come back and slap you in the forehead. It's a very similar effect."
"If you picture the strip on the car, and you're going down the straightaway, it really doesn't have that much effect. But as the car starts to spin and the strip now sees the air pressure, it does two things. It slows the rotation of the car down, and as the air comes across it, it packs air on top of the trunk lid to help push the car back to the ground before it lifts."
And the reason why the trunk fin is on the left side of the window is also inherently logical.
"It's actually lined up with the left edge of the left roof flap," Darby said. "Because as the air hits that fin, part of what happens is that the airflow travels up to the flap. There's a misconception about the flap. A lot of people think that air pressure blows them open. It's quite the contrary.
"The flaps are contoured on the top and it works much like an airplane wing to where the airspeed that travels over the flap actually pulls it open. If we can put more air to the flap and accelerate where it goes across it, then it's going to open faster and stay up stronger. So part of the air helps deploy the flap and the rest of the air -- because the trunk lid is wide and you have more surface area to come across -- helps hold the car back down on the ground."
Even though the trunk fin seems to be the best solution for Daytona and Talladega at this point, Darby said the process is always evolving -- and more improvements may come from additional wind tunnel testing.
Typography from Ronnie Bruce on Vimeo.
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Weekend Assignment #302: Do you Tweet? Why or why not?Yes, I am a Tweeter...or a Twitterer...or a Twit, whatever the people who use Twitter are calling themselves, and you can find me here.
Extra Credit: If you do use Twitter, how many people follow you? How many do you follow?It's not my goal to get on Twitter and interact for hours at a time, so I only follow 20 people. Some are not "people" at all. I follow MSNBC's and National Public Radio's News and Politics tweets, as well as tweets from AlterNet, ThinkProgress and the Huffington Post. There are also a few liberal individuals I follow, like Rachel Maddow, Bill Mahre and Thom Hartmann. Andy Borowitz has funny tweets about the day's events. I follow a couple of sites that cover NASCAR news, one that was tweeting pretty regularly about the health care debate, and John Scalzi. The remaining handful are personal online friends.
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