Hi Joacim, > My sources: > "CH-47 Theory of Operation" which can be downloaded (beware: >50MB!) > from: http://www.chinook-helicopter.com/Publications/Publications.html > (page "5-9", p. 232 in the pdf) > And a Boeing drawing of a somewhat inconventient size (6.6M): > http://www.chinook-helicopter.com/Drawings/Structure/Images/CH- > 47D_Drawing.jpg
Now thats a good resource! Thanks for the links. :) Wim On 12/20/06, Joacim Persson <[EMAIL PROTECTED]> wrote: > > Wim, > The "ch47" in cvs is only a concept demonstrator of a tandem helicopter. > Hardly any numbers there represent a real Chinook. I'm fiddling with > another configuration. > > On Wed, 20 Dec 2006, wim van hoydonck wrote: > > > blade mass -> 111.6 [kg] > > This is different from the blade mass I am using: 357 lbs ~= 162 kg > An upgraded blade perhaps? Composite material technology hasn't exactly stood > still in the last 20 years. > > > > blade twist -> -9.14 [deg] > > This is also different from the data I've got: -12° twist. > But from the B or C model and on, Boeing has been using assymetric airfoils > on the ch-47's. I'm not sure the -12° remains that under load... > > My sources: > "CH-47 Theory of Operation" which can be downloaded (beware: >50MB!) > from: http://www.chinook-helicopter.com/Publications/Publications.html > (page "5-9", p. 232 in the pdf) > And a Boeing drawing of a somewhat inconventient size (6.6M): > http://www.chinook-helicopter.com/Drawings/Structure/Images/CH-47D_Drawing.jpg > > > and some mass & moment of inertia values: > > mass -> 14968.6 [kg] > > ixx -> 50386.3 [kg*m^2] > > iyy -> 273536 [kg*m^2] > > izz -> 257685 [kg*m^2] > > ixz -> 19838.3 [kg*m^2] > > Ah, thank you! > Now I only have to figure out how make use of inertia data in Yasim. ;) > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > _______________________________________________ > Flightgear-devel mailing list > Flightgear-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/flightgear-devel > > > -- Avoid hangovers - stay drunk! ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel