Hi,
I am new to this mailing list, so don't know the current state of things.
Just wondering if someone has put their hand up for the Gas Turbine modelling
goal. I do not use FGFS but am interested in modelling gas turbines and would
like to do simple, general, thermodynamic models for turbo
Title: Message
Hi
guys,
I just wanna find
out how Simgear actually works. Does it generate the world as a sphere, or
as a flat world ?
Kind Regards
Danie
Heath
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Danie Heath wrote:
I just wanna find out how Simgear actually works. Does it generate the
world as a sphere, or as a flat world ?
An irregular WGS84 spheroid, I think, which is more accurate than either
flat or spherical.
All the best,
David
___
On Saturday, 22 November 2003 14:20, Danie Heath wrote:
Hi guys,
I just wanna find out how Simgear actually works. Does it generate the
world as a sphere, or as a flat world ?
Kind Regards
Danie Heath
Neither!
It generates the world as a WGS84 ellisoid which is accurate to about 100
I just tried flying the bo105 around Ottawa a bit: FlightGear has made an
incredible amount of progress over the past few weeks. All of the jitters
in the heli flight model are gone, the 3D interior looks great (though it
needs a bit of instrumentation -- I'm using the HUD for now), and the
Ah David beat me to it.
Actually David is correct in calling it a WGS84 spheroid and not an ellipsoid
since spheroids are only flattened on one minor-axis and not two or more
minor-axis like a true ellipsoid.
Paul
On Saturday, 22 November 2003 15:01, Paul Surgeon wrote:
On Saturday, 22
Russell Suter wrote:
Andy Ross wrote:
Instead, try this as a more verbose variant and see if it works. It
adds an explicit cast to the type of the table, and uses a char* to
get around the original error:
h-table = (struct HashNode**)(((char*)h-nodes) + sz*sizeof(struct
HashNode));
You could do
* David Megginson -- Saturday 22 November 2003 14:24:
the 3D interior looks great (though it needs a bit of instrumentation
Thanks. But as of now it's only a smaller copy of the fuselage so that
you would see some interior at all. I'll make a better interior once
the fuselage is done. I'm still
David Megginson wrote:
Danie Heath wrote:
I just wanna find out how Simgear actually works. Does it generate
the world as a sphere, or as a flat world ?
An irregular WGS84 spheroid, I think, which is more accurate than either
flat or spherical.
Speaking of which,
After searching from some
Finally. On the roof, with the engine shut down, after taking off from a
nearby airport:
http://www.megginson.com/flightsim/roof.jpg
Airspeed management is very different in a helicopter than in a plane -- I'm
still trying to get a handle on it.
By the way, I always have to put on the
David Megginson [EMAIL PROTECTED] said:
Finally. On the roof, with the engine shut down, after taking off from a
nearby airport:
http://www.megginson.com/flightsim/roof.jpg
Wow! Now _that_ looks like fun!
I was trying to do that with the downtown skyscrapers (knowing I couldn't
Jim Wilson wrote:
Pull back on the cyclic stick. Depending on what speed you are going dropping
collective too. I like to swoop down to create some downward momentum and
then pull back. I'm not sure if this is a legal move :-), but if you are
going really fast and want to stop quickly, pull
David Megginson [EMAIL PROTECTED] said:
Pull back on the cyclic stick. Depending on what speed you are going dropping
collective too. I like to swoop down to create some downward momentum and
then pull back. I'm not sure if this is a legal move :-), but if you are
going really fast
David Megginson wrote:
By the way, I always have to put on the parking brake (!!) to stop the
skids from acting like wheels. Is there an easy fix to the YASim
model?
First off, we should stop mapping a brakes property to something that
doesn't have brakes. Put a value of 1 somewhere in the
Erik Hofman wrote:
Both seem to work well (in which case I prefer the later solution).
But then I get a problem with the test.nas script which runs fine from
0 to 93 and then seems to hang ...
Works for me, obviously. Stack trace?
Andy
___
Andy Ross wrote:
First off, we should stop mapping a brakes property to something that
doesn't have brakes. Put a value of 1 somewhere in the property
tree using the -set.xml file, and map that to the brakes instead. :)
With just a little code work, we could add a stump attribute (or
whatever)
FlightGear compiles successfully with the plib1.7c102 and plib1.7-dev
Debian packages, but issues the warning:
Plib PSL scripting:
You will not be able to run scripts written in PSL
and some advanced GUI and input features may not
work. Download and install the latest CVS version
of
Andy Ross [EMAIL PROTECTED] writes:
You installed the libraries from the new plib, but you didn't
recompile FlightGear against the new headers ...
Interesting; it appears that not recompiling and reinstalling SimGear
was my problem. It has no --with-plib configure option, so I wrongly
assumed
Jon Berndt [EMAIL PROTECTED] wrote:
Well, I want to look at it because I sort of hope to migrate the JSBSim XML
definition to a more robust and compliant format at some point in the
future. Even now, it would be nice to make some changes here and there that
allowed us to move towards an
Hello, I just came across this site after reading a posting on the
autopilot-devel mailing list:
http://www.u-dynamics.com/aerosim/
They suggest using FlightGear to be driven by their external FDM via
network,
Martin.
--
Unix _IS_ user friendly - it's just selective about who its friends are
Jim Wilson [EMAIL PROTECTED] wrote:
David Megginson [EMAIL PROTECTED] said:
Airspeed management is very different in a helicopter than in a plane -- I'm
still trying to get a handle on it.
Pull back on the cyclic stick. Depending on what speed you are going dropping
collective too. I
Jim Wilson wrote:
Yep, it is a feel, how much collective lift to add. The thing that usually
screws me up is the tail rotor when hovering. In general the rudder control
on my X45 sucks, partially because it is my left hand and I'm very right
handed, but also because it is a rocker. How are
Andy Ross wrote:
Erik Hofman wrote:
Both seem to work well (in which case I prefer the later solution).
But then I get a problem with the test.nas script which runs fine from
0 to 93 and then seems to hang ...
Works for me, obviously. Stack trace?
Not yet, I haven't looked into that part yet
Martin Spott wrote:
Jon Berndt [EMAIL PROTECTED] wrote:
Well, I want to look at it because I sort of hope to migrate the JSBSim XML
definition to a more robust and compliant format at some point in the
future. Even now, it would be nice to make some changes here and there that
allowed us to
Andy Ross wrote:
Never mind. Someone already added a skid attribute to the parser
(or maybe I did long ago and forgot). Just set skid=1 on the gear
objects and remove the brake mappings from the property tree.
Done.
All the best,
David
___
Am Samstag, 22. November 2003 14:24 schrieb David Megginson:
I just tried flying the bo105 around Ottawa a bit: FlightGear has made an
incredible amount of progress over the past few weeks. All of the jitters
in the heli flight model are gone, the 3D interior looks great (though it
needs a
Just wondering if someone has put their hand up for the Gas Turbine
modelling goal. I do not use FGFS but am interested in modelling gas
turbines and would like to do simple, general, thermodynamic models for
turbo jet, turbo shaft / prop and fan jet engines.
John Wojnaroski was working on
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