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Technical question regarding track times and distance.

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Old May 7, 2008 | 11:22 AM
  #1  
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Default Technical question regarding track times and distance.

I found this channel on Youtube http://www.youtube.com/user/llBladeRunnerll
Nice collection of vids. As I was watching a race, I wondered whether it was possible to drive 4.9miles and finish on a 5mile track? Is it possible to shorten the distance by driving the perfect line? I have no personal experience, I was hoping one of you track guys checked your trip odometer. Thanks
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Old May 7, 2008 | 11:24 AM
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Default Re: Technical question regarding track times and distance. (mingus)

it would be 4.8867 miles but who's counting
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Old May 7, 2008 | 12:08 PM
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Default Re: Technical question regarding track times and distance. (GRAF-FITI)

Rainman
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Old May 7, 2008 | 12:40 PM
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Default Re: Technical question regarding track times and distance. (mingus)

you can but you will not be going ask fast in theory.

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Old May 7, 2008 | 04:43 PM
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Default Re: Technical question regarding track times and distance. (GRAF-FITI)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GRAF-FITI &raquo;</TD></TR><TR><TD CLASS="quote">it would be 4.8867 miles but who's counting</TD></TR></TABLE>

Aside from our childish beef, i'm really curious as to why it's 4.8867. Can I get a full explanation? for learning something new everyday.

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Old May 7, 2008 | 05:42 PM
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Default Re: Technical question regarding track times and distance. (ITR0065)

dont u know graf designs these things? he's put the workers through more hell than noobs on honda-tech/s2000 have gone through for not meeting his standards.
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Old May 7, 2008 | 09:02 PM
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Default Re: Technical question regarding track times and distance. (dagle)

Fastest driving line never gonna be the shortest distance
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Old May 8, 2008 | 04:23 AM
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Default Re: Technical question regarding track times and distance. (owenxguo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by owenxguo &raquo;</TD></TR><TR><TD CLASS="quote">Fastest driving line never gonna be the shortest distance </TD></TR></TABLE>

not true at all... this is something that could be done... im pretty sure the track distance is taken from the centerline of the course... it all depends on the course... ive wondered this as well for long distance driving... im going to test out my theory... next time i go down to school, ill record my distance traveled... and then the next time ill try and stay in the inside lane on all the turns and curves...
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Old May 8, 2008 | 04:37 AM
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Default Re: Technical question regarding track times and distance. (mingus)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mingus &raquo;</TD></TR><TR><TD CLASS="quote">I found this channel on Youtube http://www.youtube.com/user/llBladeRunnerll
Nice collection of vids. As I was watching a race, I wondered whether it was possible to drive 4.9miles and finish on a 5mile track? Is it possible to shorten the distance by driving the perfect line? I have no personal experience, I was hoping one of you track guys checked your trip odometer. Thanks</TD></TR></TABLE>

it wont be a perfect straight line as you put it, it will be the "shortest" line within the track. so if its true that the track is meassured at the center of the lane, then by staying at the "inner" most position of the center of the track will do...

sorry if i lost you, i'll draw a pic later after work...
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Old May 8, 2008 | 04:43 AM
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Default Re: Technical question regarding track times and distance. (joey1320)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by joey1320 &raquo;</TD></TR><TR><TD CLASS="quote">

it wont be a perfect straight line as you put it, it will be the "shortest" line within the track. so if its true that the track is meassured at the center of the lane, then by staying at the "inner" most position of the center of the track will do...

sorry if i lost you, i'll draw a pic later after work...</TD></TR></TABLE>

i guess you didnt read my post above you...

i was going to do a drawing as well... if you could give me an arial of the track with a key, i could def calculate the "shortest" distance...
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Old May 8, 2008 | 10:02 AM
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Default Re: Technical question regarding track times and distance. (S2KILLA)

So in any given track, the perfect line is the shortest distance? Mathematically, you will get the fastest time going the shortest distance.
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Old May 8, 2008 | 10:08 AM
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Default Re: Technical question regarding track times and distance. (mingus)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mingus &raquo;</TD></TR><TR><TD CLASS="quote">So in any given track, the perfect line is the shortest distance? Mathematically, you will get the fastest time going the shortest distance.</TD></TR></TABLE>

yes and no... some walls can have a higher slope which would net greater speeds through turns which will net better lap times... if your statement was the case, no body would pass on the outside...
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Old May 8, 2008 | 06:56 PM
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Default Re: Technical question regarding track times and distance. (S2KILLA)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by S2KILLA &raquo;</TD></TR><TR><TD CLASS="quote">

yes and no... some walls can have a higher slope which would net greater speeds through turns which will net better lap times... if your statement was the case, no body would pass on the outside...</TD></TR></TABLE>

Yeah, you're right, I was thinking in two dimensions.
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Old May 8, 2008 | 07:07 PM
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Default Re: Technical question regarding track times and distance. (mingus)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mingus &raquo;</TD></TR><TR><TD CLASS="quote">So in any given track, the perfect line is the shortest distance? Mathematically, you will get the fastest time going the shortest distance.</TD></TR></TABLE>

think of nascar and the oval tracks they use. now if you follow geometry you'll know that the outer perimeter is farther away from the center of the track(no shitt) and the farther away from the center of the track the longest a distance you have to travel compared to those on the inside lane to complete a full circle.

so if you were to travel on the outer lane and take 100 laps, your distance traveled will be more than those who did 100 laps on the inner lane.

so try to think about the "inner" lane when on a road course and you can see how a 5miles track can be completed in 4.9miles.

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Old May 8, 2008 | 07:08 PM
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Default Re: Technical question regarding track times and distance. (S2KILLA)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by S2KILLA &raquo;</TD></TR><TR><TD CLASS="quote">

i guess you didnt read my post above you...

i was going to do a drawing as well... if you could give me an arial of the track with a key, i could def calculate the "shortest" distance...</TD></TR></TABLE>


yeah i read it but i thought my explanation was better
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Old May 9, 2008 | 01:12 PM
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Default

arc = speed

The larger the arc the faster you can go.
Shorter arcs slow you down. The extreme is a city block intersection where you turn right. It's shorter than going wide and turning left but, you can make better time going faster and wider.
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Old May 9, 2008 | 01:17 PM
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Default Re: (fred92htch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fred92htch &raquo;</TD></TR><TR><TD CLASS="quote">arc = speed

The larger the arc the faster you can go.
Shorter arcs slow you down. The extreme is a city block intersection where you turn right. It's shorter than going wide and turning left but, you can make better time going faster and wider.</TD></TR></TABLE>

you are correct but the question wasn't about speed but disctance covered
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Old May 9, 2008 | 01:44 PM
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Default Re: Technical question regarding track times and distance. (S2KILLA)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by S2KILLA &raquo;</TD></TR><TR><TD CLASS="quote">

i guess you didnt read my post above you...

i was going to do a drawing as well... if you could give me an arial of the track with a key, i could def calculate the "shortest" distance...</TD></TR></TABLE> Did you do it yet you little hoe?
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Old May 13, 2008 | 10:52 AM
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Default Re: Technical question regarding track times and distance. (HondaKyle)



FYI hoe= gardening tool
ho= *** merchant
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