--- On Sun, 11/28/10, Steven Luftman <[email protected]> wrote: as a matter of personal taste i would rank the s1 boat tail as the best design and the series 4 next although the s4 is a cleaning up of the s2.that spoiler was fairly ugly on s3 and never looked at home on the spiders tail. From: Steven Luftman <[email protected]> Subject: [alfa] Re: 105 Aerodynamics To: [email protected] Date: Sunday, November 28, 2010, 1:21 PM
This is an interesting web site, it doesn't list the Berlina or GTV but it list the '71 Spider at .380cd and a '90 Spider at .410cd -I guess that big rubber spoiler was just there for "looks"! http://www.mayfco.com/alfa.htm http://www.mayfco.com/alfa.htm Steven 1961 Giulietta Spider 1992 164 > From: "John Justus" <[email protected]> > Subject: [alfa] RE: 105 Aerodynamics > > Where does one find aerodynamic numbers for the 105 cars? I > remember doing > a drag coefficient calculation one my '71 GTV using information > provided in > Road & Track based on generic design components, like windshield > size, front > fender to hood shape, rear end shape, etc. I apparently never wrote > the > number I "calculated" down as I haven't seen it in any of my > documentation > in years. It came out in the .3X area and I remember it being > lower than I > was expecting it to be. But of course this was using my > interpretations of > the listed shapes and sizes and doing the calculations so it was a > plausible > number but not experimentally derived. > > John Justus > Alfa Romeo Enthusiast -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected] -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]

