tag:blogger.com,1999:blog-37936507.post4595400781082530879..comments2023-08-08T10:25:47.529+01:00Comments on McCabism: Louvres, holes and algebraic topologyGordon McCabehttp://www.blogger.com/profile/09151162643523937086noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-37936507.post-58206172829549305352010-07-22T20:52:38.850+01:002010-07-22T20:52:38.850+01:00Yep, change the rules every three years or so, and...Yep, change the rules every three years or so, and then stand back and admire the intricately detailed creative cornucopia.Gordon McCabehttps://www.blogger.com/profile/09151162643523937086noreply@blogger.comtag:blogger.com,1999:blog-37936507.post-39355846346067651792010-07-22T16:07:58.297+01:002010-07-22T16:07:58.297+01:00Interestingly, if you look very closely at that Fe...Interestingly, if you look very closely at that Ferrari photo, you will notice that the slit doesn't actually reach the exhaust opening.<br /><br />Here is a photo of a Mercedes (who also quickly borrowed the idea):<br /><a href="http://motorsport.nextgen-auto.com/gallery/pictures/2010/f1/gp-china-15apr/116wri.jpg" rel="nofollow">http://motorsport.nextgen-auto.com/gallery/pictures/2010/f1/gp-china-15apr/116wri.jpg</a><br />In this case the slit doesn't really meet the gill "hole".<br /><br />It is a nice extra wrinkle I think.<br /><br />The rules state one aperture is permitted, you use topology to show that what superficially looks like multiple holes is really one closed curve. <br />And then, for structural strength, you use the rule definition of minimum bodywork radius in that region to treat the shoulder of the hole as being part of the aperture surface-area, not part of the bodywork, to allow you to regard the two distinct physical openings as one.<br /><br />Like I say, it is exactly this sort of tap-dancing which I find irresistable.Davidhttps://www.blogger.com/profile/02585811746310619930noreply@blogger.comtag:blogger.com,1999:blog-37936507.post-36507126551345234082010-07-21T00:11:06.941+01:002010-07-21T00:11:06.941+01:00Ah, thankyou, good spot. So McLaren have actually ...Ah, thankyou, good spot. So McLaren have actually just cleverly copied Ferrari!Gordon McCabehttps://www.blogger.com/profile/09151162643523937086noreply@blogger.comtag:blogger.com,1999:blog-37936507.post-42875574453069627432010-07-20T21:59:37.291+01:002010-07-20T21:59:37.291+01:00It is a nice piece of lateral-thinking, in a seaso...It is a nice piece of lateral-thinking, in a season full of interesting and clever tap-dancing around the rulebook, perhaps one of my favorites, certainly the cheapest. <br />Unfortunately it was originally a Ferrari idea.<br /><br />It originally appeared in Bahrain, but here is a later photo showing the exhaust opening, the gills, and the thin slot which makes it a single hole:<br /><br /><a href="http://images.gpupdate.net/large/152206.jpg" rel="nofollow">http://images.gpupdate.net/large/152206.jpg</a><br /><br />Either way, lovely stuff.Davidhttps://www.blogger.com/profile/02585811746310619930noreply@blogger.com