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Article #897Re: NASCAR engineers never would have allowed Space Shuttles Challenger and Columbia to take off. "If that bird ain't safe, we ...
From: Jim Chandler
Date: Sat, 02 Sep 2006 18:28
Date: Sat, 02 Sep 2006 18:28
51 lines
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3394 bytes
The Ghost In The Machine wrote: > In alt.conspiracy, Jim Chandler > <n427c@gte.net> > wrote > on Fri, 01 Sep 2006 23:16:39 GMT > <rb3Kg.67$m36.15@trnddc02>: > >>TColspamnot@toast.net> wrote: >> >>>On Fri, 1 Sep 2006 16:23:51 -0500, "Kate" <svtkate@spam.filter.selby.ws> >>>wrote: >>> >>> >>> >>>>Sooooooooooo the good ol boys at NASCARaren't running it, >>>>so "woulda, coulda, shoulda" just doesn't cut it. >>>> >>> >>> >>>NASCAR? Isn't that the silly pasttime pursued by frustrated wannabe >>>athletes who drive cars and chase each other around an oval track. That's >>>about as exciting as watching traffic lights change in Cary! >>> >>>Ray H.. >> >>You ought to try it some time, Ray. It takes quite an athlete to >>wrestle those cars around for three, four or five hours in temperatures >>of 100+ degrees. I do agree that supertrack racing can get boring but >>short track, especially dirt, can be quite exciting. >> >>JimC (former driver on dirt) > > > Indeed. But even the supertrack at 200 miles per hour around a 2.5 mile > oval can pull some serious G's, at least on the corners. > > If a = v^2/r is the formula for centripetal acceleration and one > assumes a perfectly level perfectly circular track one gets an > acceleration of 40.96 ft/s/s or more than 4 g's. That sounds like > very strong neck muscles are needed... :-) > > And tracks are rarely perfect circles. :-) I'm surprised the > tires last as long as they do. > The high banking in the corners helps in that regard. The forces are downward on the car and driver v sideways, so there is less scrub on the tread area. JimC
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X-Google-Thread: 101acf,a26ba6fcd07026a1 X-Google-Thread: f5d40,a26ba6fcd07026a1 X-Google-Thread: 112c01,a26ba6fcd07026a1 X-Google-Thread: 10fafa,a26ba6fcd07026a1 X-Google-Thread: 10ce4b,a26ba6fcd07026a1 X-Google-Attributes: gid101acf,gidf5d40,gid112c01,gid10fafa,gid10ce4b,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!nx01.iad01.newshosting.com!newshosting.com!130.81.64.211.MISMATCH!cycny01.gnilink.net!spamkiller.gnilink.net!gnilink.net!trnddc05.POSTED!2ca1ff02!not-for-mail From: Jim Chandler <n427c@gte.net> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: triangle.general,alt.conspiracy,cakewalk.coffeehouse,alt.fifty-plus.friends,alt.support.stop-smoking Subject: Re: NASCAR engineers never would have allowed Space Shuttles Challenger and Columbia to take off. "If that bird ain't safe, we are going to blackflag it until it is!" References: <1156544560.606000.168760@74g2000cwt.googlegroups.com> <Fx1Kg.2870$IM1.1838@bignews8.bellsouth.net> <indhf25qegfuou5h8f9umopdf9kop79spj@4ax.com> <rb3Kg.67$m36.15@trnddc02> <bbtos3-nl8.ln1@sirius.tg00suus7038.net> In-Reply-To: <bbtos3-nl8.ln1@sirius.tg00suus7038.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Lines: 51 Message-ID: <v3kKg.1106$%75.379@trnddc05> Date: Sat, 02 Sep 2006 18:28:43 GMT NNTP-Posting-Host: 71.165.67.70 X-Complaints-To: abuse@verizon.net X-Trace: trnddc05 1157221723 71.165.67.70 (Sat, 02 Sep 2006 14:28:43 EDT) NNTP-Posting-Date: Sat, 02 Sep 2006 14:28:43 EDT