* Mathias Fröhlich -- Wednesday 04 February 2004 08:44:
... is out. Including support for menu driven python import/export scripts.
Just, for those who are curious.
What is an announcement without screenshots and some clickable links?! :-)
Interesting overview over new blender features:
Jon,
This company started out making ballistic
parachutes for hang gliders in the 1980's.Hang gliders were the
first aircraft (that I know of) to have a full-airframe parachute. I think
it's kind of cool that the idea was developed for other aircraft.
Nickolas HeinMorgantown WV
-
Curtis L. Olson wrote:
I see the same thing in the JSBSim c172, except that it spins down
rather quickly and stops.
I've never shut down an engine in flight in real life, but from
reports I've
heard, you have to bring a 172 almost to the stall to stop the propeller
from windmilling;
David Megginson wrote:
When you shut down the engine in YASim, the propeller does not
windmill -- it just slowly spins down and stops.
Probably because of the internal engine friction, I was looking at the
propeller only. What's the right windmilling RPM? I can tune, but
need numbers. :)
There is a nice review of FlightGear on http://lockergnome.com. I couldn't
find it at first until I looked in the web site referrers list. The direct
link is here:
http://channels.lockergnome.com/windows/
This may be one of those sites where older stuff is pushed towards the
bottom and
Andy Ross wrote:
Probably because of the internal engine friction, I was looking at the
propeller only. What's the right windmilling RPM? I can tune, but
need numbers. :)
The higher the airspeed, the higher the windmilling RPM. Using my very weak
math and physics skills, a fixed 60-inch-pitch
Durk Talsma wrote:
I'm cross posting this to the developers list, just in case somebody's
inclined to do some bug fixing... :-)
Yeah, that's exactly what I experienced yesterday, when I was testing out
a
sample file for a reply to this list.
B.t.w., It's not only the --flight-plan option,
I updated plib, SimGear, FlightGear, and the base package from cvs
Thursday evening. Now the 3d model for the default c172 is very
angular. I don't see this on the other models.
Regards,
Dave
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Okay, after some more tweaks, I got FlightGear (last wednessday's Cvs version)
to work on Cygwin.
Here's a few observatons:
- Simply uninstalling cygwin X11 does not seem to be sufficient, as the
compiler finds the OpenGL headers in /usr/X11R6/include before the non-X11
headers Somehow the X11
Dave Perry wrote:
I updated plib, SimGear, FlightGear, and the base package from cvs
Thursday evening. Now the 3d model for the default c172 is very
angular. I don't see this on the other models.
Did you blow away any patches you might have added to plib?
All the best,
David
Dave Perry [EMAIL PROTECTED] said:
David Megginson wrote:
Did you blow away any patches you might have added to plib?
I have not patched plib (to my knowledge). Just updated plib, SimGear,
and FlightGear and recompiled and then updated the base package. No change.
I will try
Well, the main difference here is the geography. There aren't many flights (possibly
non!) that I could do from my base airfield where a single leg of 300 miles would
leave me still in the UK. I _will_ be going to France and the Netherlands but it's
extra expense and hassle that I don't want
I noticed this in the archives, from Matthew Law:
In the UK it means 'Special VFR' and allows a pilot under VFR and in VMC
conditions to be guided to an airfield which is inside a control zone.
You see it quite a lot in the UK where we have lots of airfields inside
the control zones of
I'm going to have a look at the Air Navigation Order to check the accuracy of my
original post. As far as I know, without a IMC or IR a PPl is not permitted into the
kind of airspace which would be home to a airport the size of KSFO regardless of the
ceiling etc. SVFR does partially waive some
Matthew Law wrote:
Well, the main difference here is the geography. There aren't many
flights (possibly non!) that I could do from my base airfield where
a single leg of 300 miles would leave me still in the UK.
How difficult is it to fly cross-border to Eire?
All the best,
David
David said:
SVFR means something entirely different in North America. [...]
His was a good summary. It did not address the pilot qualifications
and currencies needed to use SVFR, which exist in part because SVFR
is often used for scud running ... which is extremely dangerous.
The reason for
Finally I spent a few minutes and fed some numbers into the derivative portion
of the PID algorithm we are using and figured out what it does. It looks like
it could be most useful for things like autothrottle. Any control that tends
to accelerate in effect as time passes. I'm not sure, but it
I have only had to ask for SVFR once.. and ironically it was because I
needed to do a VFR night flight for my multi engine rating. We left
KDPA north to KFLD. On the way back the visibility had dropped to about
2 miles and the cloud deck had dropped to about 1200 AGL. Now normally
I would
Jim Wilson [EMAIL PROTECTED] said:
Finally I spent a few minutes and fed some numbers into the derivative portion
of the PID algorithm we are using and figured out what it does. It looks like
it could be most useful for things like autothrottle. Any control that tends
to accelerate in
Matthew Law wrote:
I'm going to have a look at the Air Navigation Order to check the
accuracy of my original post. As far as I know, without a IMC or
IR a PPl is not permitted into the kind of airspace which would be
home to a airport the size of KSFO regardless of the ceiling etc.
SVFR does
Alex Perry wrote:
His was a good summary. It did not address the pilot qualifications
and currencies needed to use SVFR, which exist in part because SVFR
is often used for scud running ... which is extremely dangerous.
There's a difference between Canada and the U.S.: we have no special pilot
IIRC, someone had come up with a way to display various properties on the
HUD or instrument panel or something for debugging purposes. What was that?
Jon
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I saw the following errors when compiling the latest from CVS. Might want to
look into this.
Jon
In file included from SkyRenderableInstance.hpp:27,
from SkySceneManager.hpp:38,
from SkySceneManager.cpp:29:
mat33.hpp:60: warning: friend declaration
I'm cross posting this to the developers list, just in case somebody's
inclined to do some bug fixing... :-)
Yeah, that's exactly what I experienced yesterday, when I was testing out a
sample file for a reply to this list.
B.t.w., It's not only the --flight-plan option, but also the --wp=
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