Las Vegas Pre-race Race Thread

dpkimmel2001 said:
The down force created on the lead car allowed for it to run deeper into the corners giving it an advantage. An advantage cars running behind could not match. Less down force = loose in the corners.
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yeah exactly, it has an advantage in the corners, all things being equal that isn't going to change. Unless the track has two fast lines thru the corner, and most only have one, the front car has the advantage, and unless his car gets quite a bit slower, there isn't going to be a pass for the lead, but in the pack there will be more passing..air drag is about the same, and if you made some good changes to the car you can pass in the pack. But when you get up to the front with cleaner air it gets harder and harder. unless they are going 60 mph or below, drag is a factor. the faster you go the more it is.
 
StandOnIt said:
yeah exactly, it has an advantage in the corners, all things being equal that isn't going to change. Unless the track has two fast lines thru the corner, and most only have one, the front car has the advantage, and unless his car gets quite a bit slower, there isn't going to be a pass for the lead, but in the pack there will be more passing..air drag is about the same, and if you made some good changes to the car you can pass in the pack. But when you get up to the front with cleaner air it gets harder and harder. unless they are going 60 mph or below, drag is a factor. the faster you go the more it is.
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The info that I posted came from Larry Mac during the PRN Pre-race last week on the camera subject. I think I'll take his info.
 
Aerodynamics to me is like the total resistance(drag) of the whole car. thermodynamics deals with the individual relation with each part. They are cousins..I am not a rocket scientist by any means. I was trying to explain why there isn't more passing for the lead. In the old days, winners in nascar would win by laps, not feet and inches. they had a lot bigger box to work in, but there were even less passes for the lead. Nascar has the closest racing in the world now. But pit passing, and restarts are where most of the passing is happening for the lead dogs in the pack coming to the wire.
 
dpkimmel2001 said:
The info that I posted came from Larry Mac during the PRN Pre-race last week on the camera subject. I think I'll take his info.
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no argument with that..I agreed with you, there isn't any way to change that advantage. You have to have a much faster car to pass. not going to happen unless they allow the second place car a "push to pass" button like in formula 1 and nobody wants that crap...do they??
 
I have this strange urge.....

matt snob pipe inane.jpg
 
FenderBumper said:
C'mon, Larry doesn't know the first thing about thermal inversion type aero.
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Larry kinda glanced over the thermo equation in his explanation. There could be more to that argument that Larry had overlooked. I though about sending @LarryMac28 a tweet to get a more in depth description but I figure that it was explained well enough already.
 
dpkimmel2001 said:
Larry kinda glanced over the thermo equation in his explanation. There could be more to that argument that Larry had overlooked. I though about sending @LarryMac28 a tweet to get a more in depth description but I figure that it was explained well enough already.
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Yeah, I finally got it right in my head. The gas burns, causing thermal vortex's which exit the exhaust pipes. These thermal thing-a-ma majiggies disrupt the thermal dynamics of the cooler air, inverting the splitter plane and melting stuff. When you think about it, it's really obvious what's going on.
 
FenderBumper said:
He doesn't like Apples?

Hey, do you know anything about Volcano's? I have this school project, and I'm stuck on the Lava part.
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sure do..go on down to the goodwill, get you one of those rotating red, blue, green lights they use to light those silver christmas trees..you might still have the setup handy..you can figure it out from there, I can't do it all for ya.
 
StandOnIt said:
sure do..go on down to the goodwill, get you one of those rotating red, blue, green lights they use to light those silver christmas trees..you might still have the setup handy..you can figure it out from there, I can't do it all for ya.
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Sorry, I'm not religulous, but thanks for trying.
 
^ nothing to explain the blonde nurse is hot.
 
In the end it all comes down to theoretical geometry negative area and all that
 
  • Tire: Goodyear Eagle Speedway Radials
  • Number of Tires:
    Sprint Cup: Left-side -- 1,600, Right-side -- 1,650;
    Nationwide: Left-side -- 650, Right-side -- 650
  • Set limits:
    Sprint Cup: Up to 6 sets for Thursday open practice, 5 sets for remaining practice/qualifying, and 9 sets for the race;
    Nationwide: 3 sets for first practice, and 6 sets for final practice/qualifying/race
  • Tire Codes:
    Left-side -- D-4524; Right-side -- D-4528
  • Tire Circumference:
    Left-side -- 87.4 in. (2,220 mm);
    Right-side -- 88.6 in. (2,250 mm)
  • Technical Inspection Inflation:
    Left Front -- 34 psi; Left Rear -- 34 psi;
    Right Front -- 62 psi; Right Rear -- 58 psi
  • Minimum Recommended Inflation:
    Left Front -- 30 psi; Left Rear -- 30 psi;
    Right Front -- 58 psi; Right Rear -- 54 psi
  • Notes: Teams in both the NASCAR Sprint Cup and Nationwide Series will run the same Goodyear tire codes at Las Vegas this weekend . . . this is the same combination of left- and right-side tires that these teams ran at Las Vegas last season . . . this is the only track at which these two tire codes are scheduled to be run in 2013 . . . as on all NASCAR ovals greater than one mile in length, teams are required to run inner liners in all four tire positions at Las Vegas . . . air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.
 
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