Hi Hal, Ron and others,
Thanks a lot for the hints : they both worked perfectly well !
This is really the difference between Open Source and Commercial
software : the problem is fixed in less than a day after it was
reported !! Great job, Ron and Hal !
The change in sign for "z" in yawstring indeed fixed the faulty
slipindicator immediately and with the following settings for the
airbrakes I have a rather realistic behaviour :
<spoiler start="0.24" end="0.38" lift="-2.5" drag="8"/>
Although I have never flown a bocian in reall life, I have flown both
K7, K8 and K21 and I think the behaviour is now somewhat the same as
the quite effective "garagedoors" on the K7 glider ;-)
The bocian is now imo the most realistic glider in FlightGear,
although the ASK21 is also quite nice. Anyone who knows how to get a
slipindicator in the ASK21 as well ? That would make a huge
improvement !
regards,
Kees
On Saturday 07 August 2010, Ron Jensen wrote:
> On Friday 06 August 2010 15:15:37 Kees Lemmens wrote:
> > Hi,
> >
> > I am an amateur glider pilot and like to practice a little within
> > FlightGear as well. I like to play with the ASK21 and the Bocian.
>
> Hi Kees,
>
> These aren't my models, I don't have write access to the
> repositories, and my copy of the bocian is about a year and a half
> old, but I'll offer a couple of hints so you can fix it yourself
> locally, at least.
>
> > However, I found out that with the Bocian the wire attached to
> > the hood (the slipindicator) points in the wrong direction !!!
> > It swings in the same direction as the slip indicator in the
> > cockpit instead of being reversed as it should ! And, the
> > cockpit indicator is indeed pointing in the correct direction,
> > only the woolwire is wrong, which is very unnatural.
>
> The Bocian slip indicator is controlled by a text file called
> Aircraft/bocian/Models/yawstring.xml You can edit that file with a
> good text editor. I recommend vim on linux or Textpad on windows.
> Find the line that says:
> <z>-1</z>
> and remove the minus sign
> <z>1</z>
> That should change the sense of the yawstring.
>
> > Also, the airbrakes seem to do absolutely nothing on the Bocian,
> > which makes landing very complicated. Is there someone willing
> > to repair these little flaws as for the rest the Bocian is a
> > fine glider !
>
> The bocian is built on the YASim flight model which I am not very
> familiar with... But I think if you edit the file called
> Aircraft/bocian/bocian-yasim.xml and find the line that says
> <spoiler start="0.24" end="0.38" lift="0" drag="5.5"/>
> I think the start and stop are the location on the wing where the
> spoilers are (0.0 is the wing root and 1.0 is the tip). Lift and
> drag are multipliers for the change in lift and drag. You could
> try increasing the "5.5" value. "11" might be a good first choice
> (in honor of Spinal Tap
> http://www.youtube.com/watch?v=UeOXsA8sp_E)
>
> Thanks,
> Ron
--
C.W.J. Lemmens,
Email: c.w.j.lemm...@tudelft.nl,
Office: +3115-2787224,
NOTICE: to minimize spam I'll trash HTML based email immediately,
so don't send me HTML messages if you'd like me to read them ;-)
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