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Old 09-16-2003, 02:45 PM   #1
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Default How does this sound?

Motivated by this website, I set out to write an article about street racing and drag racing in my schools newspaper. I wanted to bring up the technical side of drag racing to teach all the racers in my area about the subject. So basically I am asking if the techincal info (its still a rough draft, no need for grammer input ) in this paragraph is correct. I checked all of my math figures but I am curious what you all think.

Both cars line up and as the tree hits green they take off. But car A reacts half a second quicker than car B, giving him a small head start. That half-second can never be gained back by car B. Even if both cars run to their maximum potential (perfect shifts at peak RPM), car A will now win by half a second. Half of a second at 6mph is 4.4 feet, at 60mph it is 44 feet and at 100mph it is 74 feet. This means that by the time car A finishes the quarter mile it will be about 77 feet ahead of car B, all because he took off .5 of second before the other.
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Old 09-16-2003, 02:52 PM   #2
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I wouldn't say "when the tree hits green".. not many people are going to know what the hell that means. Say "at the green light, or other pre-arranged signal".. or something.

Also, you don't really shift at peak RPM but rather at peak engine power.

p.s. I really suck at drag racing.
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Old 09-16-2003, 02:54 PM   #3
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Are we talking about two identical cars here?

If second car is faster than the first (by more than some mark, which isn't 0.5 seconds) it will pass the car that moved first.
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Old 09-16-2003, 02:55 PM   #4
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^^ What he said. I was thinking the same thing.
If it's a Ferrari and a Yugo that half a second won't mean anything. hell a 10 second head start might not either
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Old 09-16-2003, 03:43 PM   #5
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Do reaction times really matter though?
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Old 09-16-2003, 04:15 PM   #6
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jamz: that exactly what my editor told me. Her comment was "what does that mean?". I need to change that to somthing everyone can understand.

Zahnster and Sephro: yes, the two cars are the same. I used two BMW M3s for the comparsion. My goal was to illustrate how two cars that are similar in performance (ie SRT4 and WRX), one car can abolish the other due to reaction time and the launch. Oh yeah, thanks for the clarification on the peak RPM. There is a thread in the STi forum about shifting at peak engine power and not redline.

beethoven: At a drag strip reaction time does not matter (they do howerver if you are compeating and not just seeing what numbers you can put out with yoru car). But for compartive purposes they do. If you street race at a stoplight at your competion take off before you, he has a huge advantage that just might lead to his victory. This is the case even if you are in the exact same car. Im trying to show how improper street racing is for measuring a cars performance.

Thank you all for the comments. Please keep them coming
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