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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead

Topic: Chili Bowl speeds
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rovanber
January 17, 2022 at 08:15:36 AM
Joined: 02/06/2010
Posts: 161
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Anyone know how fast the midgets are going at the Chili Bowl. I read the track size is anywhere from 1/5 to 1/4. Can someone clear that up 



linbob
January 17, 2022 at 11:18:27 AM
Joined: 03/12/2011
Posts: 1649
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Reply to:
Posted By: rovanber on January 17 2022 at 08:15:36 AM

Anyone know how fast the midgets are going at the Chili Bowl. I read the track size is anywhere from 1/5 to 1/4. Can someone clear that up 



It is not 1/4 mile.  The track around a high school football field is 1/4 mile.  So it is not close.  Depends where you measure.  My guess is 1/6 to 1/5 mile,  my guess is top speed of 60 mph.    If you run the bottom it would be less.



Screwball
January 17, 2022 at 11:40:40 AM
Joined: 09/07/2019
Posts: 37
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This message was edited on January 17, 2022 at 11:43:24 AM by Screwball

The forum doesn't go back far enough, but I figured this out last year and posted some stats based on the track.  I can't find the link anymore, but there was an article that told the track size and width.  From that information I drew the track in AutoCad and measured the distance a car would follow at three different lines - inside, middle, and outside.  I still have the spreadsheet I used to calculate the speeds, but without the other information I can't tell what I came up with.

Best I can tell, the track, as stated above is not 1/4 mile.  It is smaller than that.  I see a number I used to calculate the speeds as 1032 ft, which is a little less than 1/5 mile.  1/5 would be 1056 so this distance would be giving a car a little room off the wall on the high side (cushion).  At that distance, and using 11 seconds as a lap time, this would equal a touch under 64 mph.

The forum only goes back 1000 posts and stops in March of 2020. I think this was posted around January 18, 2021 if anyone can go back and get it.  That would show the math and an outline of the track.

 

 



Murphy
January 17, 2022 at 11:54:00 AM
Joined: 05/26/2005
Posts: 3261
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Reply to:
Posted By: Screwball on January 17 2022 at 11:40:40 AM

The forum doesn't go back far enough, but I figured this out last year and posted some stats based on the track.  I can't find the link anymore, but there was an article that told the track size and width.  From that information I drew the track in AutoCad and measured the distance a car would follow at three different lines - inside, middle, and outside.  I still have the spreadsheet I used to calculate the speeds, but without the other information I can't tell what I came up with.

Best I can tell, the track, as stated above is not 1/4 mile.  It is smaller than that.  I see a number I used to calculate the speeds as 1032 ft, which is a little less than 1/5 mile.  1/5 would be 1056 so this distance would be giving a car a little room off the wall on the high side (cushion).  At that distance, and using 11 seconds as a lap time, this would equal a touch under 64 mph.

The forum only goes back 1000 posts and stops in March of 2020. I think this was posted around January 18, 2021 if anyone can go back and get it.  That would show the math and an outline of the track.

 

 



Click on Screwball's name, that is upper left, highlighted in blue. Then click "see posts by screwball". That takes you back to the same questions and answers from this time last year. :)



Murphy
January 17, 2022 at 11:58:31 AM
Joined: 05/26/2005
Posts: 3261
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Short answer seemed to be:

If it's 1/5 mile on the outside= 65 mph
If it's 1/6 mile on the inside= 55 mph



dmantx
MyWebsite
January 17, 2022 at 11:59:58 AM
Joined: 09/15/2005
Posts: 5174
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Here's a link that contains a ton of track length/times/speeds info:

https://www.hoseheadforums.com/forum.cfm?ThreadID=115447#thread575986



Screwball
January 17, 2022 at 12:24:27 PM
Joined: 09/07/2019
Posts: 37
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Reply to:
Posted By: Murphy on January 17 2022 at 11:54:00 AM

Click on Screwball's name, that is upper left, highlighted in blue. Then click "see posts by screwball". That takes you back to the same questions and answers from this time last year. Smile



Yep, that works, and here is what I found from last year;

******

I found a little more.  From this link; John Klein: 'The Dirt Guy' talks about Chili Bowl's track

From the article:

The track is about 38 feet wide going into corners and about 40 feet wide coming out of corners. The rest of the track is about 45 feet wide.

The track is so short it’s almost a circle: 1,285-feet long at the top, with straightaways that are just 129 feet long.

The track is about 38 feet wide going into corners and about 40 feet wide coming out of corners. The rest of the track is about 45 feet wide.

 

The track is so short it’s almost a circle: 1,285-feet long at the top, with straightaways that are just 129 feet long.

 

Based on that data, I created the oval with 129 foot straights and tangent corners that when added together equal 1285.  Then offset the 1285 oval 40 ft (close enough) to find the inside distance.

Given those numbers the outside is 1285 and the inside would be 1032.

1285 = 79.6 mph

1032 = 63.9 mph

That would be the extreme speeds but doesn't count the width of the car so the top speed would be less and the slowest would be slightly more.  1158 would be the distance at the center which equates to a speed of 71.7



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