All the Cessna 172's I've seen have had protruding rivets, but the heads don't stick out much, and the paint smooths out the edges to the point that they're just gentle bumps -- a 172's wing doesn't look like a steam boiler.
IIRC, the Mooney has countersunk rivets, which is why it can go so fast. All the best, David On Tue, Apr 13, 2010 at 5:18 PM, Bertrand Coconnier <[email protected]> wrote: > 2010/4/13 Stuart Buchanan <[email protected]>: >> Bertrand wrote: >>> This is some nice artistic/graphical work indeed, however, I am afraid >>> this is not very realistic. If you want Cessna aerodynamicists to die >>> from an heart attack, just show them this picture ^_^ >> >> :) >> >> I was basing the work on some photos I found on the Cessna website. >> This one in particular seemed to show raised rivets on the wing: >> >> http://www.cessna.com/MungoBlobs/832/502/sin_haw_flt18_hires.jpg >> >> Perhaps what I'm seeing there isn't actually protruding rivets at all. >> >> Is there any height change there at all, or are the surfaces completely >> smooth? >> >> I could obviously tone down the effect significantly to make them >> protrude less if >> that is more realistic. >> >> BTW - we're modeling a P model, if that makes any difference. >> >> -Stuart >> > > Well spotted Stuart. They look very much like protruding rivets. > > May be what I reported above is limited to some specific class of > aircrafts ? A Cessna C172 is a relatively cheap aircraft flying at low > speeds, may be this is why Cessna are using protruding rivets (which > are cheaper than countersunk rivets). May be it only makes a > difference at higher speeds ? It seems I have extrapolated my > experience to an area where it does not apply ^_^ As you may have > guessed I am not an aerodynamicist myself, moreover my own experience > is limited to airliners where, I think, the criteria are more > stringent than for small aircrafts... Or may be in Cessna the design > office have won the battle against aerodynamics ? ^_^ > > Anyway my contribution was not much worth it... Next time I will check > closer ^_^ > > Cheers, > > Bertrand. > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Flightgear-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/flightgear-devel > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Flightgear-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-devel

