Where's the Air come from on Pit Lane?

Having not stood in the NASCAR pits, where does the pit crew get the air for their impact guns? Air Compressor in the pit cart, CO2 or Nitrogen Bottle in the pit cart, Air Lines from the garage or trailer?

Just curious...

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Permalink Reply by zoomsss on April 9, 2009 at 2:12pm
It's unreal isn't it! They don't even haul their own tires and wheels anymore (there a company that takes care of that too) and in viewing pics, all weekend attire for teams, drivers and owners, etc, are delivered 'laundered and freshly pressed'. This sport has gotten too big for it's britches! :P
Permalink Reply by John on April 7, 2009 at 11:01pm
Permalink Reply by paydirt1 on April 8, 2009 at 12:12am
Huge but I bet it doesn't have a microwave like Kenyons! lol
Permalink Reply by jack on April 8, 2009 at 5:48am
This is a good and informative thread. I assumed that they used nitrogen on the tires. nitrogen is clean dry air and easier to control pressure... but more importantly when a tire blows.... nitrogen wont catch on fire unlike regular air that has oxygen in it.

What I am suprised about is that they are using it on the air tools.. So that's pretty cool info.
Permalink Reply by jack on April 8, 2009 at 5:50am
Well since we are talking about pit stops.. I've noticed before on pit stop videos that there is a timer on it. What starts that timer every pit stop? when does the timing of a pit stop actually start?
Permalink Reply by Kevin Sweeney on April 8, 2009 at 10:06am
that is an awesome question
Permalink Reply by xcmtb on April 8, 2009 at 12:52pm
I had that same thought this weekend after Kirk told Robby about the awesome 13.6 second stop they had. When I checked on Raceview, it said the stop was 14.5. Obviously, they are using different start/stop timing. Raceview also has "total time in pits" which includes the drive into the stall and back to the track - pretty cool to see who's aggressive and who's not getting into the pits.
Permalink Reply by Mike Kenyon on April 8, 2009 at 9:39pm
Does anyone remember Tiregate? Rat in the hat accused Ray Everham of cheating (no not on his then wife) up tires. Rat accused Ray in front of TV camera's and Ray's response was "it's only air Jack". Nascar confiscated the tires and found/reported, nothing wrong with the tires.My point, Nitrogen is drier (fewer water molecules) than normal compressed air. When Nitrogen is used to inflate RACE tires,the tire grow at a slower rate.Grow means the following.
Race tires will grow/increase in spring rate( more significantly on radial ply construction) and the circumference of the tire will grow(more significantly on bias ply construction)The differance in circumference between right and left rear tires is called stagger.
Radial ply are used on Cup car's, Bias ply on Late Model's.
So, by using AIR in Jeffy's tires on a short run to the finish, the pressured grew quicker, Jeffy won and Ray answered Rat's
accusation honestly in my opinion.

And Yes the microware was installed to make my Hauler driver/Tire changer/Spotter - Amy, happy.
Permalink Reply by zoomsss on April 9, 2009 at 2:26pm
I remember that, but didn't know about 'air' being used for 'short runs', cool deal if it worked on radials.

Shoot, I can't remember now, but I used to search out a dive shop to fill tanks for the driver I helped, can't remember what it was now as far as the product used though??? Just in tires though, no air guns on sprinters. :)
Permalink Reply by Beagle7 on April 9, 2009 at 12:52pm
Photosynthesis.....
Permalink Reply by paydirt1 on April 9, 2009 at 9:07pm
That's awesome! good one!

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