I seem to remember form the last time this came up (about 12 months ago) that there was confusion between CG meaning "Centre of Gravity" and "Centre of Geometry". The former moves as weight is added/fuel is burned, the latter is simply a defined point, usually within the airframe.
Richard > -----Original Message----- > From: David Culp [mailto:[EMAIL PROTECTED] > Sent: 04 July 2003 5:19 pm > To: FlightGear developers discussions > Cc: JSBSim list > Subject: Re: [Flightgear-devel] REference > > > So, the distance (x,y,z) to the model reference point will > have to change as > the CG moves, right? If the x-offset is -240 inches at the > beginning of the > simulation, and I make the CG move an inch aft > instantaneously, then I need > to (during the same dt) reset the x-offset to -241 inches. > > That sound right? > > Dave > _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
