On Wednesday 21 December 2011 04:09:35 Stuart Buchanan wrote:
> On Wed, Dec 21, 2011 at 11:00 AM, Torsten Dreyer wrote:
> >> I prefer manually syncing and checking that the changes are valid,
> >> rather than blindly over-riding what we've already got.
> >
> > Hi Stuart,
> >
> > this
> > -                    <sin>
> > -                        <property>aero/alpha-rad</property>
> > -                    </sin>
> > +                    <property>aero/alpha-rad</property>
> >                      <value>-1.8000</value>
> >
> > reintroduces a bug, IIRC that had something to do with tailwind
> > behavior. I think we should keep the <sin> function.
>
> Agreed - that's a mistake in my checkin. I will correct it.
>
> -Stuart

I missed backporting this to the JSBSim side. I've also got an experimental 
FDM with many more of these wrapped in sine or cosine functions as 
appropriate. This will make the forces and moments trend in the correct 
directions, even if the magnitudes aren't quite right. 

Perhaps a improved stall system for JSBSim will be ready for 2.8

Ron

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