Hi everybody,
i made a new aircraft and placed it here:
http://www.t3r.de/fg/ogel/
It's name is ogeL.
ogeL?
Well - look yourself and with a little imagination...
Stay young!
Greetings, Torsten
(Comments, bugreports etc. are welcome)
, Christian Mayer wrote:
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Hash: SHA1
Torsten Dreyer schrieb:
Hi everybody,
i made a new aircraft and placed it here:
http://www.t3r.de/fg/ogel/
It's name is ogeL.
ogeL?
LOL!
(I hope that the official ynapmoc ogeL doesn't have
..hang on a sec: Did you make ogeL, or did Lego? Extend this a bit, and
ask whether we can legally model the A380, the Wright Flyer etc.
..the test is, who made it. Inspiration can legally come from
anywhere, even from Microsoft. ;o)
We're wise to document all the details, however.
Oh -
Hi,
I have just put a new version of ogel to
http://www.t3r.de/fg/ogel/
and there are now two versions available:
one is for FG v 0.9.9 and before using the old JSBSim Code and one is for
current FG CVS with new JSBSim with the 2.x config-files.
Also, I put into the XML files the GPL header and
Damn - you made it before I got my Seneca ready ;-)
Torsten
Am Sonntag 22 Januar 2006 17:20 schrieb Dave Perry:
I have modeled N7764P, the comanche 250 I co-own with 2 other Seagate
engineers. In the process of doing this model, I have also improved,
worked on, or added instruments, etc. to
Hi,
the new JSBSim code crashes when referring to an undefined property in the
function element.
Example:
function NAME=foo
description
This one will crash fg
/description
product
propertyaero/function/bar/property
Looking forward to flying it. Will it have a version compatible with
FGv098a?
Currently only the CVS version is supporting the JSBSim 2.0 config file
format. So the config file has to be backported to the old file format. This
is possible, but I will use my time to get it in the air first.
Nope. They work differently. You have to use normal model animations
like rotate, spin, and translate based on properties. 3D instruments are
no different than flaps, landing gear or any other model part. The only
apparent difference is that they are typically (but not necessarily)
stored in
was it 10 or 12 engines???
oups - was 12...
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Hi
AJ and I have been doing a bit more work on this model. The exterior is now
(nearly) as good as the interior. Hmm, perhaps not :-)
Nice one!
Here you can get the feeling of how to fly it
http://www.thundercity.com/
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The compass on the BF109 is 180degrees off
Julien
Man ... that's gonna be a hard one to fix.
there is a rumour going on that the magnetic field of the earth is about to
swap. I did not know flightgear is already simulating this!
Torsten
Hi all,
I'd like to have a XML schema for editing aircraft configuration files and
whould start one, if there is nobody working on this yet.
I know JSBSim has one and I use it a lot when editing the JSBSim files since
it makes editing a lot easier and produces less errors (if you have a capable
Hi,
inspired by the XML Schema delivered with JSBSim, I started to write on for
YASim (and I have in mind to create one for the other config files, too).
First, for those who do not know what the hack is a XML schema and what do I
need it for?
A schema is some kind of a formal description of
Hi all,
it's been a while, since I announced the model for a Seneca. It is a *LOT*
more work, than I expected it to be so it took a lot longer than I thought.
But I think I can show you what I have so far:
http://www.t3r.de/fg/seneca/
The site gives you a something to look at and a
Looks great, flies good. I managed some pretty landings after I got a
feel for it. Is it supposed to pitch down so violently when the flaps
deploy, though?
No, that has to be improved
The instrument panel is outstanding, does (will) the white dial on the
airspeed indicator move to give
Are such mirrors used in Civil Aviation A/C too?
Yep, those that are towing sailplanes sometimes have a mirror.
That should be an interesting thing for multiplayer: one pilot flying the
towing plane and one is in the sailplane.
Torsten
---
There is an entry in SenecaII-jsbsim.xml controlling pitch due to flaps.
I changed the signs and it pitches up, but way too much.
Yep - the flap behaviour is crap - I'm working on an improved FDM config. Have
to get deeper in my old aerodynamics books for that...
So the TAS dial is manually
Hi,
I made a thumbnail image for the aircraft download page for my ogel aircraft.
It is here:
http://www.t3r.de/fg/ogel/thumbnail.jpg
Anybody out there who commits this to cvs?
Thanks, Torsten
---
Using Tomcat but need to do more? Need to
Hi,
I spent some time on the Seneca II model.
The update is available here
http://www.t3r.de/fg/seneca/
Changes:
- improved JSBSim FDM, performance data are now close to the POH data
- made the engines supercharged
- minor changes to airframe 3d model (doors may be opened, cowlings remodeled
Hi Georg
thank you for the latest update of your Seneca II. It is not only a
wonderful artwork with many details outside and inside (like the
headphone on the right seat :-) ) and a wonderful 3d-panel but also very
valuable from the real pilot proven aspect.
Thanks
If I am not wrong - I just
Hi,
I am experimenting with structural icing and am hacking on a little nasal
script that checks outside temperature and dewpoint to guess if the aircraft
is currently in a potential icing area and pack some ice on the surfaces.
To get ice on the wings one thing is needed besides low
Anyone else tried it and decided whether this is a good idea or not? I've
gotten quite used to it since it's been on my machine ;)
I like it - good idea.
Torsten
---
Using Tomcat but need to do more? Need to support web services, security?
.._which_ fdm? Or all of them???
I currently use JSBSim. For drag due to ice, just add
function name=aero/coefficient/CDice_wing
description
Drag due to ice on wing
/description
product
propertyaero/qbar-area/property
table
Hi,
here is my version 0.3 of the PA34-200T Seneca II.
http://www.t3r.de/fg/seneca/
Changes:
Added structural icing
Added Dave Perry's wonderful prop-disc animation
Animated and clickable circuitbreaker panel (still electrical nonfunction)
Switchpanel: magneto switches operational (and
If you want do see and feel the ice in action:
disable real weather fetch,
goto Menu-Weather Conditions and create a nasty november day in
Hamburg/EDDH/HAM:
on ground 1degc, dewpoint 0degc
at 3000ft -6degc, dewpoint -6degc
at 6000ft -10degc, dewpoint -10degc
at 9000ft -15degc, dewpoint -15degc
Keep up the good work - can we expect to see this in CVS soon? I'm lazy and
much prefer cvs up to faffing about with tarballs...
I am not in the position to put this into CVS but I like the idea to have it
there.
May I kindly ask for a volunteer CVS janitor to check it in?
Thanks, Torsten
following the tradition of reporting on the progress of the respective
pilot's license on flightgear-devel, today it's my turn as today I had
my very first flight lesson for the Sport Pilot's License for very light
I can imagine the wide grin in your face ;-)
Congratulations and welcome to the
Very nice! Can you fix this link though? I get a 403 error.
http://www.t3r.de/fg/seneca/SenecaII.dcm
fixed - sorry.
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Thanks, I've been looking for a good DATCOM+ example to help me
understand the program.
Yep, datcom is not really self explanatory :-(
I learned a lot by using the examples from Bill's page
http://www.holycows.net/datcom/
together with the users's manual USAF_DATCOM_UM.pdf, also linked on Bill's
Hi,
is it possible to have a different mousepointer over a panel hotspot, like
e.g. a hand instead of the arrow to show the user that clicking here will do
something?
I have no idea how to do this, but I think I whould like it.
Greetings, Torsten
BTW I know I should read more closely the archives (because I am sure I can
find the answer there) but is there a way to place a 3D object in front of
a xml panel or not ? Pleeese :D
You can mix 2d panels with 3d models. Look at the aircraft with 3d cockpits
like maybe b1900d or SenecaII.
$ fgfs --aircraft=YF-23 --airport=knuq --disable-real-weather-fetch
- full throttle
- climb to 8000 ft
- 90 degree bank
- pull stick fully back
amazingly: you don't bleed off speed, but *accelerate*
- at ~1630 kt (after that the speed decreases) 0 degree bank and
90 degree pitch up
-
What are sensible mach/alt pairs to use? I am assuming that sea level
and approach speed are one, and cruising speed and altitude are another.
What else? Do I even need to define more than one?
You should be fine with one alt/mach pair. I did not find any significant
differences in the
Question: what is the very best joystick, yoke, and rudder pedal
hardware available for FlightGear? Preferably USB based.
My best experience with simulation hardware was in a ELITE FNPT II simulator
(www.flyelite.ch) with forcefeedback yoke and pedals and a nice stack of fake
king
that 911.00 Mhz is not an official frequency...
Regards, Holger
--
Herzlichen Gruß
Torsten Dreyer
-
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Get stuff done quickly with pre-integrated technology
Hi all
on my last flight in IMC at night I saw the effect of strobelights flashing
while flying in clouds: It's like having a bright white flashing hull around
the aircraft. Human performance manuals says, this can lead to vertigo, so
one better switch off strobes while in clouds at night.
I
It's better to be on the ground and wish you were flying,
than be flying and wishing to be on ground...
http://www.airliners.net/open.file?id=1134244
Torsten
-
Using Tomcat but need to do more? Need to support web
Hi all,
here is (yet) another brandnew update for the Seneca:
http://www.t3r.de/fg/seneca/SenecaII-2006.11.23.tar.bz2
or linked to from the corresponding page
http://www.t3r.de/fg/seneca/
Changes:
- Fixed bug in HSI, wrong deflection of glideslope indicator and transparency
issue
- Added
Hi
I am currently working on some documentation for the SenecaII aircraft to make
it usable for those who have no idea why this beast is not doing what they
want.
First, there is a little reference for the instruments and controls:
I have fixed the transparent SenecaII to work with the osg and plib versions
of fg.
The problem was that the prop-discs were using the same material as many other
surfaces. The prop-discs get partly transparent by texture and by animation
dependend of the rpm. That made other surfaces
Hi,
I just noticed, that the outside air temperature indicator of the SenecaII was
relocated due to a patch applied a few days ago.
May I kindly ask to revert this patch to SenecaII.xml because of two reasons:
1. The indicator is now not longer attached to anything and it looks a bit odd
to
Could you please either
(A) mention the file name and (if necessary) revision number, *or*
(B) submit a patch that reverts whatever you want reverted
I choose (A)
Filename: SenecaII.xml
Current revision: 1.3
Requested revision: 1.2
The comment in the Log says:
...snip...
Tom Markowitz:
Hi,
i have just installed fg on a new hardware running linux x86_64 on a dual core
pentium. SimGear and FlightGear built from current cvs with pre osg.
Basic setup is running - the default 172 is ok (with stunning 100fps). But
with the Seneca, I get nasal errors, some reproducable, some at
Heh, that's a bug in aircraft.nas that I introduced two days ago(?)
and that I fixed yesterday (both branches). Just update.
I should have updated not only the source, but the data on both machines :-/
BTW: foo.interval = 0.1; isn't necessary any more. It doesn't even
exist. There's now no
var foo = aircraft.light.new(/sim/model/foo/light,
[0.05, 0.05, 0.05, 0.05, 0.05, 1.0]);
Das klingt plausibel.
Ich hatte vor etlichen Monaten mal einen Patch für einen bug in limits.nas
gepostet. Hat offenbar niemanden interessiert:
Index: limits.nas
Hi,
some days ago I was flying and experienced pitot icing due to malfunction of
the pitot heat :-(
The malfunction was clearly noticable at the airspeed indicator which dropped
to zero within a few seconds.
What happened?
The forward facing pitot tube was blocked by ice. The total pressure in
Nope, I'm running FlightGear on a x86_64 Ubuntu Edgy on a Core 2 Duo
without problem. As Melchior pointed out, this was just a plain old
script bug.
Problem solved by a cvs up for the data package and fixing the script bug.
Thanks for helping
Torsten
You know how it is to crash into a cow?
Am Freitag, 8. Dezember 2006 11:31 schrieb Heiko Schulz:
Ähm...
Well - that's someting I missed. Sorry, maybe it's an
bug, but I see this as a feature!
That's like in Real!
-
Hi,
looks like toolsoptionsdialog.cpp does not know anything about
wxNotebookSizer. That one comes from wxwidgets.
- wxwidgets installed?
- header files in include path?
Googleing for wxNotebookSizer finds some pages saying this class is
deprecated. Maybe it has been removed in the latest
Does anyone else on this list have SUSE 10.1 and the same troubles
I do? I've read elsewhere that SUSE is not too friendly with source
that might compile happily on fedora/debian/gentoo etc...
I have just set up a new suse 10.1 installation. I have SimGear, FlightGear,
TerraGear compiled from
among other FAA documents which use the phrase inbound radial
without the slightest hesitation.
There are many other instances where you need to know one thing
when taking the written test, and need to know something quite
different for flying in the real world. Unless otherwise
That's a good point. I consider it a bug in what I've written.
The canonical behavior is to use the magnetic deviation at the
/reference/ point. Can somebody give me a hint how to obtain
the deviation at the location of arbitrary navaids and airports?
The magnetic variation is calculated in
A dirty hack might be to relocate to the new position using the true
bearing, reading the magnetic-variation property for the new position
thereafter and relocate again using the new variation.
Less dirty and more correct should be:
relocate to the position of the fix, grab the magnetic
Hi Stuart
I have never actually been in one, let alone at night, so could you answer
a couple of questions for me:
You definitely missed something in life, especially at night ;-)
1) Presumably the panel itself is lit from behind as it is implemented
currently. Is that correct?
here
On the Seneca II model, the KX 165 radios are broken.
-- When I try to tune 116.0 I get 116.99
-- When I try to tune 111.7 I get 111.69
-- But you can't just say everything is off by 0.01 MHz, because
if I put in 116.01, I get 116.01. The 116.0 result is skipped,
i.e. avoided!
I
I stumbled across this http://www.airliners.net/open.file/0644140/L/
It's a night shot of the real 182P panel. Maybe you're interested.
Nice one. Look at the attitude indicator!
Torsten
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is there a specific reason, why there is the new version of JSBSim only in
PRE_OSG_PLIB_20061029 and not in HEAD?
Torsten
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Join SourceForge.net's Techsay panel and you'll
To be honest: I've never ever seen a real 182RG in the wild. As an
aircraft of similar class the Centurion RG is much more likely to
'occur',
Here is one that I flew a few years ago - so the DO exist! This one even has a
supercharged engine (but forgot about the details)
Here is one that I flew a few years ago - so the DO exist! This one even
has a supercharged engine (but forgot about the details)
http://www.flugzeugbilder.de/show.php?id=511946
Same bird (just a little muddy), another shot
http://www.airliners.net/open.file/0554462/L/
with a good view on
This airplane had a gear issue one time while he was flying and he wasn't
confident (or even hopeful) that the gear were down and locked. So he
declared an emergency and it must not have been a very busy day at KMSP
(the local international airport) so they had him fly down there to land.
Is there a programmer's guide to nasal and xml?
http://wiki.flightgear.org/ has a lot
http://www.plausible.org/nasal is good for nasal
the Docs dircectory of the fg installation
And of course - source code is the best documentation ;-)
Nice models - I am looking forward to a klingon vessel!
In the real world, some VOR stations and even some localizers
have a colocated DME station ... but there are plenty that
don't.
And there are standalone DME stations without a VOR.
The DME has its own Morse ident, with a distinctive higher pitch.
And IIRC the VOR ident repeats every 10
The hsi now responds correctly to simulated failure as commanded
by the heading indicator item on the instrument failure popup.
My handiwork can be found at
http://www.av8n.com/fly/fgfs/hsi.xml.htm
http://www.av8n.com/fly/fgfs/hsi.diff
I have not checked other hsi-like instruments to see
Did you /observe/ such drift, or is it just a theory?
Observation.
I see no evidence of this.
I do:
- starting fg with a c182
- opening property browser
- browsing to /instrumentation/heading-indicator
- observing properties indicated-heading-deg and offset-deg
- opening second property
Am Mittwoch, 31. Januar 2007 20:13 schrieb John Denker:
For a properly-slaved DG or HSI or similar instrument, we
shouldn't be looking at /instrumentation/heading-indicator/*.
That's wrong.
However, it is also wrong to look at /orientation/*.
d'accord
There is a third way, the correct way:
Am Dienstag, 6. Februar 2007 23:11 schrieb Stuart Buchanan:
There are still a number of problems
- Transparency issues with the windshield - wing/fuselage disappears when
seen through two surfaces.
Hi Stuart,
I had the same problem with the Seneca and now use a select animation for the
Am Dienstag, 13. Februar 2007 15:31 schrieb Holger Wirtz:
power... What I need is a simple number which should describe the
maximum range og a COM1. For example 5 km? oder 20 km???
No such constant number. It highly depends on
- elevation of the ground station
- height above ground of the
Hi,
after three great days at the Linuxtag I am back home again, leaving the rest
of the crowd behind for the last day of Linuxtag.
I heard so many
- Thank you for your excellent work
- Keep working, this is great
- I can't believe it's OpenSource and free!
and I want to relay these to the list
Hi all,
as promised the Dragonfly that was created during Linuxtag 2007 is in CVS
(thanks, Martin!).
The Dragonfly is a microlight aircraft built by Bill Moyes.
It is pure fun to fly and due to it's slow flying speed it is ideal for
scenery discovery and training flights.
Have fun and please
I know I could use the groundspeed property myself, but would like to know
if anyone else could make use of it .
Yes - maybe for a gps and animation of spinning wheels on ground
Torsten
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Hi,
The FG HSI instrument now has a double-shafted ADF(RMI) needle,
as shown here:
http://www.av8n.com/fly/fgfs/RMI.jpg
which is more nearly like a real-world HSI/ADF(RMI).
interesting. Is this modeled after a real instrument? I have never seen a HSI
containing a ADF
Please tell me I'm wrong, and that there is a straightforward way of
getting fixed airport data into FG.
At least not totally wrong ;-)
To the windsock like all other objects is just a object that is placed in the
*.stg file located in your scenery directory. Taxidraw tells you what stg
files
There is a bug in JSBSim causing multiengine aircraft with counterrotating
props suffer from excessive yaw when engines are running. Significant aileron
deflection is required to fly straight and level.
I tracked down that issue and finally came to FGPropeller.cpp line 198:
vH(eX) =
If the rotational rates (returned by the function GetPQR()) are zero -
that is, at steady state - the angular momentum (vH) parameter will add
*nothing* to the total moment (vMn). The angular momentum introduces
gyroscopic effects.
If the effect is too strong, it could be that the Ixx value
May be i don't understand your remark, and i could be wrong,
but all aircraft propeller have not the same rotation direction ,
some are CCWon the same aircraft
some are CW on others aircraft.
Correct - and some aircraft have both of it: one CW and one CCW.
Sure there is no
explained the Seneca's behavior to me. Perhaps someone who has flown a
counterrotating twin can weigh in.
The Seneca POH says:
Counter-rotation of the propellers provides balanced thrust during takeoff
and climb and eliminates the `critical engine` in single engine flight.
Not that much of
I just tried FG rebuilt with that update, with P-38L when pushing the
throttle and pulling and pushing the aircraft reaction is
better the aircraft heading is now close to be stable.
Same here with the Seneca. And debugging the moments shows that they are now
symmetrical as
Hi all,
if you like some extra level of reality, tune your browser to
http://www.liveatc.net/ where you get live atc from interesting places like
KJFK, EHAM, LSZH, VHHH and many others.
Enjoy - Torsten
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Hi Drew
I just posted a patch on the JSBSim list to model this. I've been missing this
for a long time. So at least aircraft that use the JSBSim FDM should see this
feature soon ;-)
Greetings, Torsten
In real life flying of the Cessna 172/152/150, you run the engine up to
1700 rpm then
Hi
any objections to commit this to CVS?
Torsten
Am Donnerstag, 27. September 2007 13:17 schrieb Torsten Dreyer:
Hi
please find attached a patch for the 3d artificial horizon. It enables the
movement of the reference bar like the 2d instrument and corrects the wrong
display of pitch
I have a bug report I've been looking at for JSBSim that was filed by a
user here.
http://sourceforge.net/tracker/index.php?func=detailaid=1739190group_id=1
9 399atid=119399
I'm wondering if this behavior can be duplicated by anyone else with the
current revision of FlightGear with the
Well, I'm not sure what happens if we go directly to 100Kft. I'm curious
about behavior that is more normal. That is, if you start from an
airport, or if you initialize at a reasonable altitude, then what happens?
I don't think the engine model should allow one to climb to 100,000'. The
c-172
The Seneca is special in that it attaches listeners to YASim
internal properties, which are updated multiple times per
frame, unlike most other listeners, which run *at most* once
per frame, but actually very rarely.
Oh - wasn't it using JSBSim as fdm!?
I hope that the stuttering is fixed
C-like in many ways. Probably the biggest barrier for most people is
going to be getting their development system setup properly so they can
compile their new code additions or changes.
I sort of disagree here. Setting up a development system is not a big deal
(even I managed to do it, so
Hi,
I just observed something I don't know if it's a bug or a feature:
Parking any JSBSim aircraft at KSFO and simulating global warming by setting
the air-temperature to 45degC and dewpoint to 40degC and observing the
properties
/environment/density-slugft3
and
It's not a bug, as far as I remember. As I recall, JSBSim defaults to
using its own standard atmosphere. You have to tell JSBSim to use the
external atmosphere (external referring to the FlightGear atmosphere).
At that point, FlightGear would supply basic atmospheric values, such as
density,
Any pointers appreciated!
Try newmat11 instead of newmat10
Torsten
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Still grepping through log files to find problems? Stop.
Now Search log events and configuration files
Am Dienstag, 6. November 2007 16:50 schrieb will Pink:
Thanks for that that has solved must of the errors, I am have configured 11
but I am getting the following error -
apt_surface.cxx:359: error: 'ResVar' was not declared in this scope
Is there something I need to adjust?
This is strange,
Am Dienstag, 6. November 2007 18:03 schrieb will Pink:
Yeap exacty like it
ColumnVector A = U.i() * M;
ColumnVector Fitted = X * A;
Real resVar = sum_square(Y1) / (nobs-npred1);
Nope! your resVar is lowercase and the compiler is complaining about an
undeclared uppercase ResVar.
I just
Hi,
I think we should merge the latest JSBSim code into fg before releasing
0.9.11. There are many fixes since the last merge and I'd love to have them
in fg, too.
Torsten
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Am Donnerstag, 29. November 2007 14:44 schrieb Hans Fugal:
Is there not a way to sanity check the cloud cache size in the plib
version before going ahead and segfaulting? Like notice that it's 0
and set it to the lowest valid value. It seems that this would be a
simple fix, and that there's
How about a quick, friendly, positive, informal thread here to do a poll on
what what folks are thinking for the next version number.
Technically: 0.9.11 because it's a big step ahead, not a giant leap
Personal feeling: 0.10.0 with respect to 9/11
Marketing: Make it 0.10.0 and strip the leading
somehow it seems that the used joystick axis (knobs at the joystick) do
not indicate the asked maximal value to the tutorial.
What do the properties
/controls/engines/engine[n]/mixture
and
/controls/engines/engine[n]/propeller-pitch
indicate when you set your relevant joystick controls to
- Get the latest update from CVS
- Via the Menu call Help-Start Tutorial
Or
- Read this
http://wiki.flightgear.org/flightgear_wiki/index.php?title=Piper_PA34-200T_Seneca_II
http://wiki.flightgear.org/flightgear_wiki/index.php?title=Seneca_II_Checklist
For the upcoming release, should we select a scaling factor for the
adverse-aileron yaw in the c172p and SenecaII that result in the
performance more similar to the pa28-161 and pa24-250 respectively?
For the SenecaII: Yes.
I will work on that issue - hopefully today.
Torsten
Here is a nice shot over chicago...
No antialiasing, sorry...
http://www.t3r.de/fg/c172chicago.jpg
Torsten
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I have one, too
http://www.t3r.de/fg/screenshots/Seneca-SingleEngineApproachEDHL.jpg
showing a single engine approach with the SenecaII. Left engine is dead, prop
feathered.
For the perfect aviator, there is a lot to complain about this image:
- above glideslope
- to fast
- rate of descent to
I don't think, that we need a special area - there
will be one on the official site and for that's
enough.
Yes, sure.
I was thinking about a pool to collect the images to be picked for the
flightgear.org site. Not as an all-time-repository.
Just an idea - not really important.
Maybe more
I have one, too
And one more, showing the Dragonfly microlight towing the FlightGear banner at
Lelystad, EHLE.
It has some nice shadows and shows our perfect implementation of the flatness
of the Netherlands (sorry, Durk and Gijs ;-)
Torsten
I have one, too
And one more, showing the Dragonfly microlight towing the FlightGear banner
at Lelystad, EHLE.
It has some nice shadows and shows our perfect implementation of the
flatness of the Netherlands (sorry, Durk and Gijs ;-)
Oups - forgot the link. Here it is:
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