Hi!
Could you direct me to some good online documentation about ATC and
aerodynamics of a helicopter?
Szabi
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Szabolcs Berecz wrote:
Hi!
Could you direct me to some good online documentation about ATC and
aerodynamics of a helicopter?
Szabi
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Szabolcs Berecz writes:
Could you direct me to some good online documentation about ATC and
aerodynamics of a helicopter?
I've sent a (probably too large) private email containing:
NACA Technical Note 4357 - Lift and Profile-Drag Characteristics of an
NACA 0012 Airfoil As Derived From Measured
Szabolcs Berecz writes:
Could you direct me to some good online documentation about ATC and
aerodynamics of a helicopter?
Okay, I said I was going to email them privately, but then I looked at
a 32MB email in my outbound queue and realized that that was beyond
bad form.
See:
Szabolcs Berecz writes:
Could you direct me to some good online documentation about ATC and
aerodynamics of a helicopter?
Okay, I said I was going to email them privately, but then I looked at
a 32MB email in my outbound queue and realized that that was beyond
bad form.
See:
On 26/11/05, Dan Lyke [EMAIL PROTECTED] wrote:
http://www.flutterby.com/danlyke/helicoptersimnotes/MinimumComplexityHelicopterSimulationMathModel.pdf
http://www.flutterby.com/danlyke/helicoptersimnotes/naca-report-824.pdf
http://www.flutterby.com/danlyke/helicoptersimnotes/naca-tn-4357.pdf
Boris Koenig wrote:
Arnt Karlsen wrote:
On Mon, 04 Oct 2004 11:17:07 -0700, John wrote in message
[EMAIL PROTECTED]:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot.
On 4 Oct 2004, at 19:17, John Wojnaroski wrote:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot. Package will include ALL source code and make
files for a Linux system.
James Turner wrote:
On 4 Oct 2004, at 19:17, John Wojnaroski wrote:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot. Package will include ALL source code and make
files for
- Original Message -
From: Jon Stockill [EMAIL PROTECTED]
To: FlightGear developers discussions [EMAIL PROTECTED]
Sent: Tuesday, October 05, 2004 3:37 AM
Subject: Re: [Flightgear-devel] ATC Network Test
I'd be happy to help test it.
Okay, let's tentatively plan for this weekend
To: FlightGear developers discussions
Subject: Re: [Flightgear-devel] ATC Network Test
James Turner wrote:
On 4 Oct 2004, at 19:17, John Wojnaroski wrote:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect
A quick disclaimer ;-)
I'm no make wizard. It's basically a clone. In particular you will have
to manually install the TNL headers files. Either in /usr/include/tnl
and usr/include/tnl/encrypt or location of your choice and modify the
Makefile files accordingly.
Regards
John W.
On Tue, 5 Oct 2004 08:44:22 -0700, John wrote in message
[EMAIL PROTECTED]:
- Original Message -
From: Jon Stockill [EMAIL PROTECTED]
To: FlightGear developers discussions
[EMAIL PROTECTED] Sent: Tuesday, October 05, 2004 3:37
AM Subject: Re: [Flightgear-devel] ATC Network Test
Giles Robertson wrote:
DevC++ has some problems; last time I tried, you couldn't build FGFS on
it because of the number of files in the final link; (it can't process
the command line - too long).
yes, I see - but that would probably not be a problem when linking only
a -compared to FG - relatively
John Wojnaroski wrote:
To run the master node requires a static IP and a broadband (DSL or higher)
connection. If anyone would like to run as a master node we'll need info as
to the IP address and a time slot when the master will be active.
If it compiles on Solaris, I'd be able to provide a
Martin Spott wrote:
John Wojnaroski wrote:
To run the master node requires a static IP and a broadband (DSL or higher)
connection. If anyone would like to run as a master node we'll need info as
to the IP address and a time slot when the master will be active.
If it compiles on Solaris,
Okay, see a small problem on deleting nodes that drop off the net.
Seems the linked list shows one controller left even after all nodes
have dropped off. A pilot node requesting an arranged connection will
wait a very, very long time rather than a no controllers available msg.
Small change to
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot. Package will include ALL source code and make files
for a Linux system. Sorry, I'm just not an MS type. However, it will
On Mon, 04 Oct 2004 11:17:07 -0700, John wrote in message
[EMAIL PROTECTED]:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot. Package will include ALL source code
Arnt Karlsen wrote:
On Mon, 04 Oct 2004 11:17:07 -0700, John wrote in message
[EMAIL PROTECTED]:
A few details...
Volunteers will get a package of software that contains the TNL
libraries and a basic set of software to connect to the ATC net as a
controller or pilot. Package will include ALL
- Original Message -
From: Boris Koenig [EMAIL PROTECTED]
To: FlightGear developers discussions [EMAIL PROTECTED]
Sent: Monday, October 04, 2004 1:46 PM
Subject: Re: [Flightgear-devel] ATC Network Test
Arnt Karlsen wrote:
On Mon, 04 Oct 2004 11:17:07 -0700, John wrote in message
Fundamentals of Air Traffic Control
ISBN 0-534-12246-9
This book pretty much has everything that you will need. Terminology and
phraseology are in Chapter 4.
Automation and Systems Issues in Air Traffic Control
ISBN 0-387-53903-4
As the title suggested, this book is related to the
Does the ATC currently have speach or is it just printed at the top? Might I
suggest linking in the festival text-to-speach library for this?
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New and Improved Yahoo! Mail - Send 10MB messages!
Does the ATC currently have speach or is it just printed at the top? Might I
suggest linking in the festival text-to-speach library for this?
What really sucks is that ATC is missing speech too. *grin*
g.
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On 3/3/04 at 7:08 PM Jorge Van Hemelryck wrote:
On Wed, 03 Mar 2004 11:06:57 +
David Luff wrote:
I can think of a number of improvements. The first, and one which would
also help the voice output, is that many of the airport names pulled
automatically from the DAFIF are far too long -
On Wed, 3 Mar 2004 22:43, [EMAIL PROTECTED] wrote:
From: David Luff
I can think of a number of improvements. The first, and one which
would also help the voice output, is that many of the airport names
pulled automatically from the DAFIF are far too long - for instance
Metropolitan
On 3/2/04 at 4:50 PM Roy Vegard Ovesen wrote:
I find it a little hard to read the ATC messages that appear on the top
of
the screen. The dissapear before I get a chance to read them. Maybe I'm a
slow reader, but still I would like them to be displayed a little longer.
Using multiple lines
On Wed, 03 Mar 2004 11:06:57 +
David Luff wrote:
I can think of a number of improvements. The first, and one which would
also help the voice output, is that many of the airport names pulled
automatically from the DAFIF are far too long - for instance Metropolitan
Oakland International
I find it a little hard to read the ATC messages that appear on the top of
the screen. The dissapear before I get a chance to read them. Maybe I'm a
slow reader, but still I would like them to be displayed a little longer.
Using multiple lines might be a solution, that way multiple messages can
Martin Spott wrote:
When you take the 'philosophical' route, I agree - in almost _every_
situation it's a big fault to delete detail/resolution from your raw
data.
On the other hand: 8 kHz, 8 bit is not that bad. German ISDN telephony
has this resolution and to my impression the audible quality
Erik Hofman [EMAIL PROTECTED] wrote:
Martin Spott wrote:
On the other hand: 8 kHz, 8 bit is not that bad. German ISDN telephony
has this resolution and to my impression the audible quality is far
better than usual radio in an aircraft ;-)
ISDN uses the uLaw compression which means,
Jonathan Richards wrote:
On Thursday 12 Feb 2004 5:31 pm, David Luff wrote:
OK, here's some instructions on how to generate new ATC voices for
FlightGear. Hopefully this will make some sense to somebody, ask if it's
unclear.
snip
Two files are required for
snip
Anyone got any wavefile editor recommendations BTW? I used
CoolEdit (Windows) for the ATIS, but the trial period is now
long gone, and when I went to buy it I found the guy had sold
it to Adobe and the price had tripled. No thanks! I'm using
Audacity now, but it's not entirely
OK, here's some instructions on how to generate new ATC voices for
FlightGear. Hopefully this will make some sense to somebody, ask if it's
unclear.
If you want to record the phrases in a local accent or even a different
language go right ahead, I'll add code support for it. You'll need to
On Thursday 12 Feb 2004 5:31 pm, David Luff wrote:
OK, here's some instructions on how to generate new ATC voices for
FlightGear. Hopefully this will make some sense to somebody, ask if it's
unclear.
snip
Two files are required for each voice - a wave file containing the actual
sounds, and
Jonathan Richards writes:
In what units shall the time index be specified? The sampling rate sets a
resolution limit on the timing, so for 8kHz we only need 1/8000 sec = 125
microseconds precision, but if we have an ambition for higher rates, we need
more. [1]
In reality, radio comms
On Thu, 12 Feb 2004 21:05:25 +, David Luff [EMAIL PROTECTED]
wrote:
Anyone got any wavefile editor recommendations BTW?
I like GoldWave. www.goldwave.com
I used CoolEdit (Windows) for the ATIS, but the trial period is now long
gone, and when I went to buy it I found the guy had sold it to
I agree with you totally. My sentiment was that there have also been many accidents
caused by ATC talking in a foreign language (English) to another pilot who also
doesn't speak English as a first language. The possible problems which can be
introduced by a conversation in effect being
Matthew Law wrote:
I agree with you totally. My sentiment was that there have also been many
accidents caused by ATC talking in a foreign language (English) to another
pilot who also doesn't speak English as a first language.
That can often be a problem between a controller and pilot who *do*
David Megginson [EMAIL PROTECTED] wrote:
Matthew Law wrote:
I agree with you totally. My sentiment was that there have also been many
accidents caused by ATC talking in a foreign language (English) to another
pilot who also doesn't speak English as a first language.
That can often be
Martin Spott wrote:
Do you have to pass an exam on the north American continent for
operating the radio ? In Germay we have to own the Restricted Flight
Radiotelephone Operator's Certificate (this is _not_ my translation,
it's printed on the certificate itself :-) _before_ you are allowed
to
Ivo wrote:
On Monday 29 December 2003 00:48, [EMAIL PROTECTED] wrote:
One question, do we allready have an ATC text file with all the necessary
ATC talk sentences and airport names so that someone who can speak
english quite well can record them to *.wav files?
Or we
From: Matthew Law [EMAIL PROTECTED]
My sentiment was that there have also been many accidents caused by ATC
talking in a foreign language (English) to another pilot who also doesn't
speak English as a first language.
It's a lot worse than that, for simultaneous use of languages, actually.
On Tuesday 30 December 2003 17:50, Matevz Jekovec wrote:
Heh, besides, you'll
have English with Slovenian accent when entering Slovenian airspace, is
that cool or what! :).
- Matevz
Yes, that sounds great. :)
Best Regards,
Oliver C.
___
On 03:15 Mon 29 Dec , Ivo wrote:
Or we could have multiple people around the world recording the sentences,
so we'll hear the right accent when approaching for example New Delhi or
Mexico City or Frankfurt. Maybe even bilingual, though I don't know if they
use their native language (for
Matthew Law wrote:
According to the ICAO, all ATC comms should be in English. Quite rightly however,
most controllers use their native tongue unless talking to international
flights.
Actually, I think that's a serious problem. One of the benefits of using a
common ATC frequency (instead of
Ivo [EMAIL PROTECTED] wrote:
Or we could have multiple people around the world recording the sentences,
so we'll hear the right accent when approaching for example New Delhi or
Mexico City or Frankfurt.
I think that I won't approach Frankfurt within the next years but
theoretically it
Matthew Law writes:
On 03:15 Mon 29 Dec , Ivo wrote:
Or we could have multiple people around the world recording the sentences,
so we'll hear the right accent when approaching for example New Delhi or
Mexico City or Frankfurt. Maybe even bilingual, though I don't know if they
use
On 12/29/03 at 2:34 PM Martin Spott wrote:
Ivo wrote:
Or we could have multiple people around the world recording the
sentences,
so we'll hear the right accent when approaching for example New Delhi or
Mexico City or Frankfurt.
I think that I won't approach Frankfurt within the next years
On Monday, 29 December 2003 18:35, David Luff wrote:
Ugh, what's the copyright situation as regards using recordings from the
airwaves?
I wouldn't even bother wasting my time trying to use real recordings.
- You need controlled recordings - voices that deliberately have very little
On Monday, 29 December 2003 19:51, David Luff wrote:
As for recording the stuff, currently we're limited to 8bit, 8KHz, mono, at
which setting the voice is noticably deteriorated in quality. I believe
that Bernie is working on improved sound support, so it might be worth
mastering and editing
Paul Surgeon wrote:
Why are we using wave files in the first place?
Yes I know that they don't require decompression which saves CPU
cycles but Ogg Vorbis compression is excellent and it's GPL.
No reason. Someone needs to do the work to integrate plib (which
provides our sound loader) with
For the ATC talk, could be possible to considering the use of
Text-to-Speech (TTS) technology?
This tool could provide FG with the ability to speech (talk) whenever
message the tower controller desires to comunicate to the planes, simply
reading aloud predefined sentences from a text file,
Andy Ross writes:
An even better addition would be libjpeg integration for texture
files.
I doubt if that will ever happen
http://sjbaker.org/steve/omniv/jpegs_are_evil_too.html
But I agree we shoul dbe using texture compression
Best would be a OpenGL supported format like S3TC but older
On Monday, 29 December 2003 20:59, Norman Vine wrote:
But just switching to PNG would make a substantial reduction in
the package size and would not add much to the load time
The PNG compression is not as good (size wise) as jpg but it's lossless which
is great were we need to retain original
On Mon, 29 Dec 2003 19:48:10 +0200,
Paul Surgeon [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]:
On Monday, 29 December 2003 18:35, David Luff wrote:
Ugh, what's the copyright situation as regards using recordings from
the airwaves?
..wherever banned, that's moot. ;-)
I wouldn't
On Mon, 29 Dec 2003 21:28:22 +0200,
Paul Surgeon [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]:
On Monday, 29 December 2003 20:59, Norman Vine wrote:
But just switching to PNG would make a substantial reduction in
the package size and would not add much to the load time
The PNG
On Monday 29 December 2003 00:48, [EMAIL PROTECTED] wrote:
One question, do we allready have an ATC text file with all the necessary
ATC talk sentences and airport names so that someone who can speak
english quite well can record them to *.wav files?
Or we could have multiple people around
I´ve found some live ATC streamings on the net:
http://www.acespilotshop.com/live-atc.htm
What about recording an putting them into FlightGear as background atc like in some
other flightsims?
Best,
Ilja
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Erik Hofman writes:
David Megginson wrote:
[EMAIL PROTECTED] writes:
FWIW, I found 1 a bit quiet, although audiable over the idling engine, so I
set it to 2, which was audiable over the full throttle engine. Thats on
windows though, although I could certainly make it out over
On Tue, 31 Dec 2002 22:10:31 -0600
Curtis L. Olson [EMAIL PROTECTED] wrote:
Erik Hofman writes:
David Megginson wrote:
[EMAIL PROTECTED] writes:
FWIW, I found 1 a bit quiet, although audiable over the idling
engine, so I set it to 2, which was audiable over the full throttle
Erik Hofman writes:
You could try this patch and play with the numbers a bit.
This piece of text might explain why I don't see the problem:
+audio_mixer-setBass(50);
+audio_mixer-setTreble(50);
+
No noticeable difference.
All the best,
David
--
David Megginson,
David Megginson writes:
Are you using the latest CVS plib? The funny thing for me is that all the other
sound samples are playing fine.
No, I'm using 1.6.0. I'll give it a try with CVS and see what happens.
Cheers - Dave
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Flightgear-devel
David Megginson wrote:
James Turner writes:
I would just like to corroborate David's results, I thought ATC was
broken until I realized I could *just* hear it over the engine noise.
This is on Linux with ALSA, all the other FG sounds have a 'normal'
volume.
So we're seeing the
David Megginson wrote:
[EMAIL PROTECTED] writes:
FWIW, I found 1 a bit quiet, although audiable over the idling engine, so I
set it to 2, which was audiable over the full throttle engine. Thats on
windows though, although I could certainly make it out over the idling engine
when I
Erik Hofman writes:
This might be a driver issue (either kernel or plib). It sounds like
your volume scales linear instead of logarithmic ...
That's a reasonable guess. What would the next step be?
All the best,
David
--
David Megginson, [EMAIL PROTECTED], http://www.megginson.com/
David Megginson wrote:
Erik Hofman writes:
This might be a driver issue (either kernel or plib). It sounds like
your volume scales linear instead of logarithmic ...
That's a reasonable guess. What would the next step be?
What kernel driver do you use: OSS or ALSA?
And which hardware?
Erik Hofman writes:
What kernel driver do you use: OSS or ALSA?
OSS (kernel 2.4.20).
And which hardware?
Maestro3.
Thanks, and all the best,
David
--
David Megginson, [EMAIL PROTECTED], http://www.megginson.com/
___
Flightgear-devel
David Megginson wrote:
Erik Hofman writes:
What kernel driver do you use: OSS or ALSA?
OSS (kernel 2.4.20).
And which hardware?
Maestro3.
Hmm, according to this article the OSS drivers for the Meastr3 had
problems on a Dell Latitude C800, but it is fairly old (speaking about
Linux
David Megginson wrote:
Erik Hofman writes:
What kernel driver do you use: OSS or ALSA?
OSS (kernel 2.4.20).
And which hardware?
Maestro3.
Article:
http://www.zabbo.net/pipermail/maestro-users/2001-August/000433.html
Erik
___
Erik Hofman writes:
Hmm, according to this article the OSS drivers for the Meastr3 had
problems on a Dell Latitude C800, but it is fairly old (speaking about
Linux 2.4.9).
The article suggests that the maestro3 driver uses a lookup table.
The thing is, I'm not having problems with the
David Megginson wrote:
Erik Hofman writes:
Hmm, according to this article the OSS drivers for the Meastr3 had
problems on a Dell Latitude C800, but it is fairly old (speaking about
Linux 2.4.9).
The article suggests that the maestro3 driver uses a lookup table.
The thing is, I'm not
Erik Hofman writes:
Another question, do you use esd or something like that?
No -- I keep it disabled (or else FlightGear wouldn't work at all).
It could well be that my driver is using linear volume, but then
wouldn't the other relative volumes for FlightGear be wrong as well?
All the
David Megginson wrote:
Erik Hofman writes:
Another question, do you use esd or something like that?
No -- I keep it disabled (or else FlightGear wouldn't work at all).
It could well be that my driver is using linear volume, but then
wouldn't the other relative volumes for FlightGear be wrong
David Megginson wrote:
Erik Hofman writes:
Yes, but like I said, it's hard to know unless you are aware of wha
you're looking for. The mixer volume *sounds* linear to you?
If so, then it's actually logarithmic.
Yes, as far as I can tell, it sounds linear.
You are not making it easy for
Erik Hofman writes:
You are not making it easy for me ...
To be honnest, I can't think of an explaination anymore.
OK, as long as no one else is reporting the same problem, we can leave
it for now.
Thanks,
David
--
David Megginson, [EMAIL PROTECTED], http://www.megginson.com/
David Megginson wrote:
Erik Hofman writes:
You are not making it easy for me ...
To be honnest, I can't think of an explaination anymore.
OK, as long as no one else is reporting the same problem, we can leave
it for now.
Just one more thing:
Make sure bass and treble aren't amplified in
Erik Hofman writes:
You are not making it easy for me ...
To be honnest, I can't think of an explaination anymore.
OK, as long as no one else is reporting the same problem, we can leave
it for now.
Just one more thing:
Make sure bass and treble aren't amplified in the
On Monday, December 23, 2002, at 02:14 pm, David Megginson wrote:
Hmm. I wonder what the issue is. At 10, I can hear, perhaps, 75% of
it over the idling engine, but I still have to strain to make it out.
I don't know enough about the audio side to troubleshoot this easily.
I would just
James Turner writes:
I would just like to corroborate David's results, I thought ATC was
broken until I realized I could *just* hear it over the engine noise.
This is on Linux with ALSA, all the other FG sounds have a 'normal'
volume.
So we're seeing the problem with both ALSA and
David Megginson writes:
The new ATIS sound is great,
Thanks!
but I'm having volume problems with it.
Oh dear :-(
It's not possible to make it out at all at the default volume; when I change
the volume from 2 to 10 in ATCmgr.cxx simple-set_volume(10.0); I can
just make it out over the idling
The new ATIS sound is great, but I'm having volume problems with it.
It's not possible to make it out at all at the default volume; when I
change the volume from 2 to 10 in ATCmgr.cxx
simple-set_volume(10.0);
I can just make it out over the idling engine in the C172P. Is
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Wonder if we could use some of this stuff. http://www.openatc.org
David
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org
iD8DBQE85fsZx58m2d272NoRAspWAJ0fySpRWprmXDadVXK/hxaTzj285gCgnlcd
On Mon, 25 Feb 2002 17:15:19 +0100,
Arnt Karlsen [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]:
On Mon, 25 Feb 2002 11:00:29 -,
D Luff [EMAIL PROTECTED] wrote in message
3C7A194D.20505.3A7A8A4@localhost:
None of this is going to appear very quickly (unless someone else
Now that 0.7.9 is released I've got round to looking at the subject of
ATC again. This is probably going to be a long post so make sure
you've all had your coffee :-)
I basically hacked the ATIS support into Flightgear, on the grounds
that is was the simplest possible part of ATC to
On 25 Feb 2002, at 11:00, D Luff wrote:
thoroughly mess up radiostack.cxx. Hence I propose that all
FGRadioStack does is to either just supply the selected comm
frequencies to an ATC manager, or possibly do the station lookup
in the Search() function and then flags hits to relevant
D Luff writes:
Also, am I right in thinking that the global ATC manager and ATC
display manager should both be derived from FGSubsystem and
declared in FGGlobals in order to fit in properly with the future
direction of FlightGear?
Yes, that would be a good idea.
All the best,
Its possible that it might be necessary to write an FGFlightPlan
module as well - can someone tell me whether real life ATC
actually knows whats in a flightplan after its been filed or is it
simply a case of the pilot just requests what's on his/her flightplan?
..this depends on
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