Andy, James, & Syd, Much thanks for helping me understand this.
-Gary On Wed, May 26, 2010 at 12:24 PM, Andy Ross <[email protected]> wrote: > On 05/26/2010 12:44 AM, James Turner wrote: >> This is a wild guess, but from memory (of discussions here), and reinforced >> by the code snippet above, effectiveness is a hack/tweak to account for >> surfaces/controls that work better/worse than YASim predicts. So >> effectiveness of 1.1 makes the flaps 10% more effective. I would assume it's >> a tweak so you can say, well, the model is basically okay, but it doesn't >> respond to xyz quite right. > > Heh, I actually noticed my name on the list in time to respond this time! > > Yes, this is exactly right. The effectiveness is just a scalar > multiple on all force produced by the component which is otherwise > (mostly) linear with surface area. It's a useful lever for tuning, > but if you find you need to go beyond a factor of two (i.e. 0.5 - 2.0) > I'd look elsewhere for the problem. > > Andy > > ------------------------------------------------------------------------------ > > _______________________________________________ > Flightgear-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/flightgear-devel > ------------------------------------------------------------------------------ _______________________________________________ Flightgear-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-devel
