RE: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Vivian Meazza
Lee Elliott wrote Sent: 28 July 2004 21:32 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] Taildragger takeoff and landing On Wednesday 28 July 2004 01:45, Andy Ross wrote: Jim Wilson wrote: Have I had this backwards all along? I knew of the incidence angle

Re: [Flightgear-devel] Yasim strangeness [was Taildragger takeoff and landing]

2004-07-29 Thread Matthew Law
David Megginson wrote: Andy Ross wrote: Uh... YASim doesn't model wash effects, so there really isn't any process by which a pure control input would generate force. Are you sure you weren't just sitting in a stiff wind? Can anyone else replicate this? I cannot reproduce it on my system: fgfs

RE: [Flightgear-devel] Taildragger takeoffs and landings

2004-07-29 Thread Vivian Meazza
Dave Perry wrote: Sent: 29 July 2004 01:48 To: [EMAIL PROTECTED] Subject: [Flightgear-devel] Taildragger takeoffs and landings David Megginson wrote: This problem has little effect on normal flight, but it matters a lot for the landing and takeoff rolls of taildraggers --

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Erik Hofman
Jon S Berndt wrote: On Wed, 28 Jul 2004 23:55:09 +0200 Erik Hofman [EMAIL PROTECTED] wrote: Jon S Berndt wrote: That's because it's _mostly_ (or entirely) the sucking action above the wing that contributes the most to lift. No, that is the *result* of lift, not the *cause*. No, you're mixing up

Re: [Flightgear-devel] FlightGear base package request --version parameter to fgfs

2004-07-29 Thread Boris Koenig
Jim Wilson wrote: There are no pre-release tags, but you could probably do a cvs checkout by date if you wanted to be sure. yes, thanks for that - actually, that's also what I've come up with in the meantime, just checked the 1.11 revision out ... but a compressed download of the entire

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Erik Hofman
Jon Berndt wrote: One more thing: think of a baseball or better yet a lightweight ball. How do those things curve? I wouldn't know. I haven't thought about that one yet. My first impression would be that of the cohesive and adhesive forces again. Erik

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Erik Hofman
Tony Peden wrote: I hope you guys realize that this is an ages old debate that still goes on in the relevant academic circles. Yes. There is nothing wrong with fixing this for once and for all isn't there? :-D Erik ___ Flightgear-devel mailing list

Re: [Flightgear-devel] Ready for next release?

2004-07-29 Thread Erik Hofman
Jim Wilson wrote: Curtis L. Olson said: Sounds fine, I wasn't planning on rolling out the official release today anyway. Tomorrow is probably the earliest ... more likely friday. Just a heads up: there is a minor (as in easy to fix) issue with building SimGear using gcc 2.96 that was

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Jon Stockill
Chris Metzler wrote: Josh sent me along a few screenshots to illustrate the ground poly bugginess he's seeing near airports. They can be found at: http://www.speakeasy.net/~cmetzler/fgfs-screen-002.jpg http://www.speakeasy.net/~cmetzler/fgfs-screen-003.jpg

Re: [Flightgear-devel] create craters and smoke effect

2004-07-29 Thread Boris Koenig
CHANDRASEKHAR ACHALLA wrote: I was also wondering if flightgear already has the fire and smoke effects. Regarding my last reply on that topic I had a quick look at sourceforge for the specific name of the project that I mentioned. It's named FlightGear CombatZone - but, well that specific project

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Chris Metzler
On Thu, 29 Jul 2004 00:08:31 -0400 Josh Babcock [EMAIL PROTECTED] wrote: Moving just a few inches any direction or changing the view angle makes these things change wildly, or even go away. In fact, in the right spot they will flicker on and off. They only seem to appear when I am over an

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Jon Stockill
Chris Metzler wrote: On Thu, 29 Jul 2004 00:08:31 -0400 Josh Babcock [EMAIL PROTECTED] wrote: Moving just a few inches any direction or changing the view angle makes these things change wildly, or even go away. In fact, in the right spot they will flicker on and off. They only seem to appear when

Re: [Flightgear-devel] Ready for next release?

2004-07-29 Thread Jim Wilson
Erik Hofman said: Jim Wilson wrote: Curtis L. Olson said: Sounds fine, I wasn't planning on rolling out the official release today anyway. Tomorrow is probably the earliest ... more likely friday. Just a heads up: there is a minor (as in easy to fix) issue with building SimGear

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Boris Koenig
Chris Metzler wrote: On Thu, 29 Jul 2004 00:08:31 -0400 And I don't see any problem with the DC-3. I want to say that this is something odd about your drivers, but I'm too ignorant of this stuff to be sure. Is it only ATI people that see this stuff? Do all ATI people see this stuff

Re: [Flightgear-devel] FlightGear base package request --version parameter to fgfs

2004-07-29 Thread Jim Wilson
Boris Koenig said: Jim Wilson wrote: There are no pre-release tags, but you could probably do a cvs checkout by date if you wanted to be sure. yes, thanks for that - actually, that's also what I've come up with in the meantime, just checked the 1.11 revision out ... but a compressed

RE: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Norman Vine
Boris Koenig writes: That would at least make sense if I don't find _any_ plib app where I achieve more than 10-15 FPS with the nvidia card ;-) I have many PLib applications that run at a rock steady 70hz, my screen refresh rate, on a NVIDIA GeForce 2 in a PIII 733 On the other hand I had

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Chris Metzler
On Thu, 29 Jul 2004 14:04:57 +0100 Jon Stockill [EMAIL PROTECTED] wrote: The problem at EGNM I mentioned is on several NVidia based systems. As I said though - it's nowhere near as severe as in those screenshots. I'll try and grab an example tonight. I'm on an Nvidia card (finally), and

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Jon Stockill
Chris Metzler wrote: On Thu, 29 Jul 2004 14:04:57 +0100 Jon Stockill [EMAIL PROTECTED] wrote: The problem at EGNM I mentioned is on several NVidia based systems. As I said though - it's nowhere near as severe as in those screenshots. I'll try and grab an example tonight. I'm on an Nvidia card

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Jim Wilson
Erik Hofman said: Jon Berndt wrote: One more thing: think of a baseball or better yet a lightweight ball. How do those things curve? I wouldn't know. I haven't thought about that one yet. My first impression would be that of the cohesive and adhesive forces again. Well Jim's make

Re: [Flightgear-devel] FlightGear base package request --version parameter to fgfs

2004-07-29 Thread Boris Koenig
Jim Wilson wrote: Boris Koenig said: But then, also not to have to rely on cvs-specific files which would not necessarily be available in a release version and hence won't be suitable to determine the base package version in general. That's true. You are probably just too late this time around.

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Jon S Berndt
On Thu, 29 Jul 2004 15:01:28 - Jim Wilson [EMAIL PROTECTED] wrote: Jon Berndt wrote: One more thing: think of a baseball or better yet a lightweight ball. How do those things curve? Well Jim's make it up as you go along Physics manual says that there is greater pressure against the air

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Josh Babcock
Jon Stockill wrote: Chris Metzler wrote: On Thu, 29 Jul 2004 14:04:57 +0100 Jon Stockill [EMAIL PROTECTED] wrote: The problem at EGNM I mentioned is on several NVidia based systems. As I said though - it's nowhere near as severe as in those screenshots. I'll try and grab an example tonight. I'm

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Curtis L. Olson
Jon S Berndt wrote: On Thu, 29 Jul 2004 15:01:28 - Jim Wilson [EMAIL PROTECTED] wrote: Jon Berndt wrote: One more thing: think of a baseball or better yet a lightweight ball. How do those things curve? Well Jim's make it up as you go along Physics manual says that there is greater

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Jon S Berndt
On Thu, 29 Jul 2004 10:34:16 -0500 Curtis L. Olson [EMAIL PROTECTED] wrote: Ok, then how do you explain a frisbee that can curve either way, even though it's always thrown with the same direction of spin. And please include the coriolis effect in your explanation (now that it is implimented

RE: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Vivian Meazza
Jon Stockill wrote Sent: 29 July 2004 14:05 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] lights flaring on runways in FG Chris Metzler wrote: On Thu, 29 Jul 2004 00:08:31 -0400 Josh Babcock [EMAIL PROTECTED] wrote: Moving just a few inches any direction

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Erik Hofman
Jon S Berndt wrote: On Thu, 29 Jul 2004 10:34:16 -0500 Curtis L. Olson [EMAIL PROTECTED] wrote: Ok, then how do you explain a frisbee that can curve either way, even though it's always thrown with the same direction of spin. And please include the coriolis effect in your explanation (now that

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Curtis L. Olson
Erik Hofman wrote: Jon S Berndt wrote: On Thu, 29 Jul 2004 10:34:16 -0500 Curtis L. Olson [EMAIL PROTECTED] wrote: Ok, then how do you explain a frisbee that can curve either way, even though it's always thrown with the same direction of spin. And please include the coriolis effect in your

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Boris Koenig
Curtis L. Olson wrote: Erik Hofman wrote: Jon S Berndt wrote: On Thu, 29 Jul 2004 10:34:16 -0500 Curtis L. Olson [EMAIL PROTECTED] wrote: Ok, then how do you explain a frisbee that can curve either way, even though it's always thrown with the same direction of spin. And please include the

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Erik Hofman
Curtis L. Olson wrote: Erik Hofman wrote: Jon S Berndt wrote: On Thu, 29 Jul 2004 10:34:16 -0500 Curtis L. Olson [EMAIL PROTECTED] wrote: Ok, then how do you explain a frisbee that can curve either way, even though it's always thrown with the same direction of spin. And please include the

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Jon S Berndt
On Thu, 29 Jul 2004 19:37:08 +0200 Boris Koenig [EMAIL PROTECTED] wrote: I like it when people share their valuable experiences ... :-) So, the next time I'm there I'll be careful ! Why? You won't hit anything! :-) Jon ___ Flightgear-devel mailing list

Re: [Flightgear-devel] Taildragger takeoff and landing

2004-07-29 Thread Jon S Berndt
On Thu, 29 Jul 2004 19:38:44 +0200 Erik Hofman [EMAIL PROTECTED] wrote: (Now I start to wonder why we always smash our probes on the surface of Mars). NASA does it by design. (Well ... except for the Mars Polar Lander.) :-) Jon ___ Flightgear-devel

Segmentation Fault: (was Re: [Flightgear-devel] Ready for next release?)

2004-07-29 Thread Durk Talsma
Hmm, I hate to spoil the party, but I did get a segmentation fault in FlightGear today (running 0.9.5-pre3). I'm not sure when it happened, since I started FlightGear this morning and letting it fly between KSFO and EHAM (which appears to become my favorite test route :-)), while I went off to

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Lee Elliott
On Thursday 29 July 2004 03:06, Chris Metzler wrote: cc'ing this to make sure you see the reply . . . On Sat, 24 Jul 2004 17:07:55 +0200 Frederic Bouvier [EMAIL PROTECTED] wrote: Lee Elliott replying to Josh Babcock: I get the same ground poly problems that you seem to be getting with

Re: [Flightgear-devel] lights flaring on runways in FG

2004-07-29 Thread Lee Elliott
On Thursday 29 July 2004 05:08, Josh Babcock wrote: Chris Metzler wrote: cc'ing this to make sure you see the reply . . . On Sat, 24 Jul 2004 17:07:55 +0200 Frederic Bouvier [EMAIL PROTECTED] wrote: Lee Elliott replying to Josh Babcock: I get the same ground poly problems that you

Re: Segmentation Fault: (was Re: [Flightgear-devel] Ready for next release?)

2004-07-29 Thread Erik Hofman
Durk Talsma wrote: Hmm, I hate to spoil the party, but I did get a segmentation fault in FlightGear today (running 0.9.5-pre3). I'm not sure when it happened, since I started FlightGear this morning and letting it fly between KSFO and EHAM (which appears to become my favorite test route :-)),

Re: Segmentation Fault: (was Re: [Flightgear-devel] Ready for next release?)

2004-07-29 Thread Durk Talsma
Yes, the following files were missing. Curt wrote me yesterday that he had missed them somehow while updating from cvs, but that he has them now and thus be in the final release. The segfault I'm getting is not related to these missing files though, because that would only give a problem

[Flightgear-devel] fgfs aborted with the dc3

2004-07-29 Thread Dave Perry
Jim Wilson wrote: Run with --log-level=debug to see which SubSystem that occurs in. Could be an xml bug. I did. Here is where it aborts: Finally initializing fdm Start common FDM init ...initializing position... ...initializing ground elevation to -2.67116ft... ...initializing sea-level

Re: [Flightgear-devel] fgfs aborted with the dc3

2004-07-29 Thread Andy Ross
Dave Perry wrote: End common FDM init Aborted Here is how I launched it. XML parse errors in YASim files become aborts. I'd look very carefully at your dc3.xml file and make sure it doesn't contain extraneous information (cvs collision warnings, etc...) Andy

Re: [Flightgear-devel] fgfs aborted with the dc3

2004-07-29 Thread Chris Metzler
On Thu, 29 Jul 2004 16:47:19 -0700 Andy Ross [EMAIL PROTECTED] wrote: Dave Perry wrote: End common FDM init Aborted Here is how I launched it. XML parse errors in YASim files become aborts. I'd look very carefully at your dc3.xml file and make sure it doesn't contain extraneous

[Flightgear-devel] Taildragger takeoffs and landings

2004-07-29 Thread Dave Perry
Vivian Meazza wrote; /Have you tried the Spitfire yet? // //I would be grateful for any comments you might have. // // // /I had flown it for the first time last night, but mostly at altitude. Very maneuverable and feels like a high performance ac wrt aileron - rudder coordination. Since