On Wed, 2006-12-06 at 19:25 +0100, Roberto Inzerillo wrote: > Hi, > I'm modelling a few german airport towers, they have moving radar antennas > on top. I'd like to animate their rotation. > > Is that a fixed rpm or are there different speeds for different radar types? > Any hint on tech specs about that? If possible, I'd like to make its movement > close to the real one. > > Roberto >
Hi Roberto, Different radar types rotate at different speeds. Some radars rotate at different speeds [1] based on the mode they are operating in. US TRACON radar operates at about 4.25 seconds per rotation [2] or 60/4.5 = or 13 1/3 RPM. Faster rotation means lower range and/or lower resolution. Google for "radar scan rate" and "radar mile" for more details [1] http://lakenheath.mysite.wanadoo-members.co.uk/radarspecs.htm [2] http://en.wikipedia.org/wiki/TRACON ------------------------------------------------------------------------- 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
