Thanks David, Yes. I've actually had the "pleasure" of pushing a crate with a shonky donk back to the hanger.
:) Drew On Friday 05 October 2007 22:34:26 David Megginson wrote: > On 05/10/2007, drew <[EMAIL PROTECTED]> wrote: > > In "real life" flying of the Cessna 172/152/150, you run the engine up to > > 1700 rpm then check the health of each ignition system by switching off > > the left then right magnetos in turn and watch for a corresponding drop > > in rpm (typically 50-75 rpm). This drop in revs does not seem to be > > simulated in FG in any piston engined aircraft that I have tried. > > This is not a complaint, just an observation. Can this be simulated in FG > > (or am I just a silly old pedant). > > To make things more interesting, the drop is much more dramatic when > you do the check with the mixture heavily leaned, so you don't just > want to hardcode a 50rpm drop when there's just one magneto selected. > > For the non air-heads, each cylinder has two spark plugs, one > connected to each magneto (e.g. two independent ignition systems); > when you select only a single magneto, one of the spark plugs in each > cylinder doesn't fire, and the overall power output drops very > slightly. If there's a problem, however -- say, one of the plugs is > lead-fouled -- the engine will start running *very* rough, since it's > dragging a dead cylinder. > > > All the best, > > > DAvid > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and a browser. > Download your FREE copy of Splunk now >> http://get.splunk.com/ > _______________________________________________ > Flightgear-devel mailing list > Flightgear-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/flightgear-devel ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel