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 5 More: Cool
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13581 clicks; posted to Main » on 22 Jun 2012 at 10:15 PM (5 years ago)   |   Favorite    |   share:    more»

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 1 vote:
Zero g at the top, radius of 30 ft,
v^2 / r = g
v^2/30 = 32
v ~- 30 ft/sec = 20 mph at the top but
mgh = 1/2 m v^2 going down so add
v = sqrt(2 g h) = sqrt(2(32)(30)) ~= 44 ft/sec = 30 mph
so 30 mph + 20 mph = 50 mph going in.
G-forces at the bottom
g = v^2 / r = (44 + 30)^2/30 ~= 180 ~= 5.7 g's.

/Wait, this is slashdot right?
 1 vote:
FTFA: "Mr McKay added: 'When you drive through the loop and you turn towards the center and there's an outward force, and having the right amount of force allows you to go upside down without falling."

I personally believe that Hot Wheels are unable to do loops because, uh, some, uh. . . cars out there in our nation don't have gravity and, uh, I believe that our, uh, racing like such as in hammerhead turns and, uh, the corkscrew, every stunt like such as, and, I believe that they should, our racing over HERE in Hot Wheels should help the real cars, uh, or, uh, should help hammerhead turns and should help the corkscrew and the Immelman, so we will be able to build up our future, for our stunt drivers.
 1 vote:

Electrode: Did anyone else instinctively start humming the theme from Hard Drivin' upon reading this headline?

I sure did

Then I started thinking about someone building a real criss cross crash.
 1 vote:

Approves of this.
 1 vote:

I prefer the loops on the old Johnny Lightning Cyclone track.

Now that would be a cool thing to see in full scale/real life.

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