Re: [Flightgear-devel] 3D aircraft model origins

2004-01-11 Thread Vivian Meazza
in flight. You pays yer money and takes yer choice. But you have to do one or the other to make it look right - using the nose as the origin and not adjusting the standard views looks wrong. I'm now going to follow Innes and retire into my bunker. Vivian Meazza (despite the name - English

Re:[Flightgear-devel] 3D aircraft model

2004-02-02 Thread Vivian Meazza
off list itll be a few days though.Regards,Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Subject: RE: [Flightgear-devel] 3D aircraft model

2004-02-03 Thread Vivian Meazza
Jim Wilson wrote: ... I'm excited that there's more 3d cockpit work going on these days. What are the pros and cons of 3D and 2D instruments? I used them because A. They seem to make the aircraft more pleasant and easier to fly. (Probably my imagination.) B. I liked the look! Vivian

RE: : [Flightgear-devel] 3D aircraft model

2004-02-08 Thread Vivian Meazza
. My model of the Hawker Hunter has been forwarded to Curt off-list. Its not quite finished: in fact theres quite a bit that could be done, but its quite usable. I look forward to any comments or suggestions for improvements you might have. Regards Vivian Meazza

RE: [Flightgear-devel] Stopped making dc3-cockpit, need help

2004-02-08 Thread Vivian Meazza
and they look nice. Now I´m working on a space shuttle model and Tuploev 154B. [Vivian Meazza] Sorry to hear that you haven't been able to make 3D instruments work for the DC3 model. Have you been trying to use AC3D Ver 4? It doesn't work without some work around for the crease token. If you would

RE: : [Flightgear-devel] 3D aircraft model

2004-02-08 Thread Vivian Meazza
Martin Spott wrote Erik Hofman [EMAIL PROTECTED] wrote: Curtis L. Olson wrote: The Hawker Hunter has been committed to CVS and seems to fly quite nicely. For decent hardware. [...] I was surprized that the frame rate for the Hunter on an Octane is not that bad. It is

RE: [Flightgear-devel] YASIM bug/feature (was Stopped making dc3-cockpit, need help)

2004-02-09 Thread Vivian Meazza
Vivian Meazza wrote Ilja Moderau wrote: I was using the AC3d version 3.6. Screenshot: http://mitglied.lycos.de/iljamod/throttle.jpg There is the file: http://mitglied.lycos.de/iljamod/dc3-throttle.zip Sorry to hear that you haven't been able to make 3D instruments work

[Flightgear-devel] Re: [Flightgear-cvslogs] CVS:data/Aircraft/pa28-161

2004-02-12 Thread Vivian Meazza
Martin wrote: David Megginson [EMAIL PROTECTED] wrote: Update of /var/cvs/FlightGear-0.9/data/Aircraft/pa28-161 In directory baron:/tmp/cvs-serv12589 Modified Files: pa28-161-yasim-set.xml Log Message: Change camera position so that model doesn't rotate around the nose.

RE: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS:

2004-02-12 Thread Vivian Meazza
, or the models wouldn't fly very well, if at all. I take it the CofG moves as fuel is consumed. Or is there something else? With intellectual curiosity. Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman

RE: [Flightgear-devel] Re: [Flightgear-cvslogs]CVS:data/Aircraft/pa28-161

2004-02-12 Thread Vivian Meazza
Jim Wilson wrote Vivian Meazza [EMAIL PROTECTED] said: Martin wrote: David Megginson [EMAIL PROTECTED] wrote: Update of /var/cvs/FlightGear-0.9/data/Aircraft/pa28-161 In directory baron:/tmp/cvs-serv12589 Modified Files: pa28-161-yasim-set.xml

RE: [Flightgear-devel] Re: [Flightgear-cvslogs]

2004-02-12 Thread Vivian Meazza
to me that the P-51 suffers from the same visual mishap as the PA-28 does (does this have to do with the P ? ;-)) Is that a silent P as in swimming pool? (Native English speakers only :-)) Vivian Meazza ___ Flightgear-devel mailing list [EMAIL

RE: [Flightgear-devel] Re:[Flightgear-cvslogs]CVS:data/Aircraft/pa28-161

2004-02-12 Thread Vivian Meazza
Jim Wilson added Vivian Meazza [EMAIL PROTECTED] said: Tried that. Looks just the same to me. As I said some time ago: yer pays yer money and yer takes yer choice. Neither is right on the ground for differential braking: with one brake full on the aircraft more or less rotates

RE: [Flightgear-devel]Re:[Flightgear-cvslogs]CVS:data/Aircraft/pa28-161

2004-02-12 Thread Vivian Meazza
Jim Wilson asked Vivian Meazza [EMAIL PROTECTED] said: I moved the origin, then applied an equal and opposite offset. When one differential brake is applied and the model is viewed in or helicopter view tower view it appears to be turning around its axis rather than around

RE: [Flightgear-devel] Re:[Flightgear-cvslogs]CVS:data/Aircraft/pa28-161

2004-02-12 Thread Vivian Meazza
Josh Babcock Vivian Meazza wrote: I enter the loop in a shallow dive, 2nd stage boost on, 350 kts, pull baaack the stick and the model rolls violently and does not enter the loop ... Works fine in other models so it's not the obvious - the joystick. But I expect I'm doing

RE: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-13 Thread Vivian Meazza
of a loop when in chase or helicopter view. Not the end of the world, but lacking realism. If you are not confused by now, you don't understand the problem. Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org

RE: [Flightgear-devel]Re:[Flightgear-cvslogs]CVS:data/Aircraft/pa28-161

2004-02-13 Thread Vivian Meazza
Jim Wilson wrote Vivian Meazza [EMAIL PROTECTED] said: Josh Babcock Vivian Meazza wrote: I enter the loop in a shallow dive, 2nd stage boost on, 350 kts, pull baaack the stick and the model rolls violently and does not enter the loop ... Works fine

RE: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-13 Thread Vivian Meazza
Jim Wilson advised: Norman Vine [EMAIL PROTECTED] said: Vivian Meazza writes: I remain disconcerted that the visual model appears to roll through 180 degs vertically on the up and down legs of a loop when in chase or helicopter view. Not the end of the world, but lacking

RE: [Flightgear-devel] Eye candy

2004-02-13 Thread Vivian Meazza
be difficult to calculate. Something I wanted to do in the future Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-14 Thread Vivian Meazza
Lee Elliott wrote On Friday 13 February 2004 06:16, Jon Berndt wrote: True, but... This is a chunk of calculations running every frame. In the olden days, the cost would be too high. These days, it's not even a spec on a flea on the butt of an elephant in terms of the

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Lee Elliott wrote On Friday 13 February 2004 22:27, Jon S Berndt wrote: Any chance of modeling wingtip vortices (when CL is high enough above some threshhold) and rocket engine exhaust? :-) Jon I've thought about trying this but I think it could only be really effective

RE: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-14 Thread Vivian Meazza
Lee Elliott Sent: 14 February 2004 13:35 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] Aerodynamic centre and 3D models On Saturday 14 February 2004 13:07, Vivian Meazza wrote: Lee Elliott wrote On Friday 13 February 2004 06:16, Jon Berndt wrote: True

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Norman Vine says Lee Elliott writes: On Friday 13 February 2004 22:27, Jon S Berndt wrote: Any chance of modeling wingtip vortices (when CL is high enough above some threshhold) and rocket engine exhaust? Another possiblity would be some sort of particle object handling

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Andy Ross Lee Elliott wrote: I think drop tanks would be feasible but it would need some thinking about:) The fun bit will be counteracting the a/c manuevours after the tank has dropped so it falls straight even though the a/c may be climbing and banking. This is more of a

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Jon Berndt wrote One feature in JSBSim that I began and have not yet finished (pending other things) is a parent/child capability. You can (for instance) load a Mk82 on an F-16 and the physical effects of the Mk82 will affect the F-16. The position is based on the position of the

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Lee Elliott wrote On Saturday 14 February 2004 18:35, Vivian Meazza wrote: Andy Ross Lee Elliott wrote: I think drop tanks would be feasible but it would need some thinking about:) The fun bit will be counteracting the a/c manuevours after the tank has

RE: [Flightgear-devel] Eye candy

2004-02-14 Thread Vivian Meazza
Jon Berndt Sounds VERY good. I'm sure you'll get round to it in due course. Vivian Did I say that? ;-) I think I may have a few weeks this summer *alone*. That's got opportunity written all over it. Excellent. But summer is for real flying. Vivian

RE: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-15 Thread Vivian Meazza
Jim Wilson Sent: 13 February 2004 15:31 David Megginson [EMAIL PROTECTED] said: Jim Wilson wrote: Yes it is. I'm probably being really dense, but I can't think of a reason why it would be important to know what the origin is in fdm coordinates. So long as position is

RE: [Flightgear-devel] Eye candy

2004-02-17 Thread Vivian Meazza
Andy Ross Vivian Meazza wrote: I've just done some proof-of-principle work on drop tanks with YASim. I set up some weight elements for the pylons and for the dry weight of the tanks, and some fuel tanks to match. [...] However, the bad news is that I can't set _one_ of the drop

RE: [Flightgear-devel] Eye candy

2004-02-17 Thread Vivian Meazza
Lee Elliott wrote Just to help confuse things a little, j/k are for spoilers, iirc, but as speed-brakes aren't supported in YASim (yet;) I've used the spoiler control. Kludged that one by using an extra, low lift, high drag flap on the horizontal stabiliser in the Hunter. CTRL B

RE: [Flightgear-devel] Re: Eye candy

2004-02-17 Thread Vivian Meazza
Martin Spott wrote Melchior FRANZ [EMAIL PROTECTED] wrote: * [EMAIL PROTECTED] -- Tuesday 17 February 2004 03:55: One question, why don't we use lower case g key for gear up and for gear down? Why do we also need the upper G key? Now I can simply press G and there's no

RE: [Flightgear-devel] Eye candy

2004-02-17 Thread Vivian Meazza
Andy Ross Vivian Meazza wrote: Yes, this problem was interesting. I set up 2 weights thus: /yasim/weights/tank-100gal-lbs[0] /yasim/weights/tank-100gal-lbs[1] Are you sure you got the weight definition right in the YASim configuration file? The property definitions look fine

RE: [Flightgear-devel] Eye candy

2004-02-17 Thread Vivian Meazza
Andy Ross Vivian Meazza wrote: I think it should work, and it _looks_ as if it does: certainly when you browse internal properties it looks right, but I can't set the second [1] tank to zero. I'm still fuzzy. Do you mean that you can't set the property to zero at all

RE: [Flightgear-devel] Eye candy

2004-02-17 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: I think it should work, and it _looks_ as if it does: certainly when you browse internal properties it looks right, but I can't set the second [1] tank to zero. I'm still fuzzy. Do you mean that you can't set the property to zero at all

RE: [Flightgear-devel] Baby

2004-02-18 Thread Vivian Meazza
. If I have any pending business, patches, etc. (Fred, Jim, etc.) I will have to get back to it this weekend. Congratulations. That should keep you busy for a while - well the next eighteen years at least. Best Wishes Vivian Meazza

RE: [Flightgear-devel] Eye candy

2004-02-19 Thread Vivian Meazza
Vivian Meazza wrote Andy Ross wrote Vivian Meazza wrote: I think it should work, and it _looks_ as if it does: certainly when you browse internal properties it looks right, but I can't set the second [1] tank to zero. I'm still fuzzy. Do you mean that you can't set

RE: [Flightgear-devel] A load of YASim engine stuff

2004-03-02 Thread Vivian Meazza
to do at least this for the Hunter model, but in lbs please NOT US gals. The other engine stuff would be nice to have as well. If Andy could find the time I certainly would be most grateful. Regards Vivian Meazza ___ Flightgear-devel mailing list

RE: [Flightgear-devel] A load of YASim engine stuff

2004-03-02 Thread Vivian Meazza
you Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] No weather in here ?

2004-03-03 Thread Vivian Meazza
Martin Spott asked Do you experience the same ? http://weather.noaa.gov/weather/current/EDLN.html You don't have permission to access /weather/current/EDLN.html on this server. the same with KSFO and other airports, Yes Regards Vivian Meazza

RE: [Flightgear-devel] [BUG] Hunter noise UV face singularity

2004-03-03 Thread Vivian Meazza
with importing exporting the AC3D scripts into AC3d? They seem to import OK into AC3d here. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] [BUG] Hunter noise UV face singularity

2004-03-03 Thread Vivian Meazza
can't see anything obvious in AC3D that might be causing what's in that screen grab. I can't remember what package Vivian used to create it - Blender or AC3D - Vivian? AC3D ver 4.08, then saved in ver 3.6 to remove the 'crease' token. Regards Vivian Meazza

RE: [Flightgear-devel] Re: [BUG] Hunter noise UV face singularity

2004-03-04 Thread Vivian Meazza
. I can't remember what package Vivian used to create it - Blender or AC3D - Vivian? She uses AC3D. HE :-) Vivian, Vyvyan = male Vivien, Vivienne etc = female A common error. Sorry if there's any misunderstanding Vivian Meazza

RE: [Flightgear-devel] Re: [BUG] Hunter noise UV face singularity

2004-03-04 Thread Vivian Meazza
Melchior wrote -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Melchior FRANZ Sent: 04 March 2004 08:58 To: [EMAIL PROTECTED] Subject: [Flightgear-devel] Re: [BUG] Hunter noise UV face singularity * Vivian Meazza -- Thursday 04 March

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-07 Thread Vivian Meazza
Erik Hofman wrote http://home.clara.net/wolverine/BOB/misc/Spit_Hurri_Manuals.zip Is this a hint ;-)? Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-07 Thread Vivian Meazza
Erik Hofman wrote Vivian Meazza wrote: Oddly enough, last weekend I found a book in my local bookstore on the Spitfire MkIIb, containing line drawings. I'll see if it's still there. If it is, I could do a model especially with the info in the pilot's notes. Is there a demand

RE: [Flightgear-devel] Re: Spitfire Hurricane manuals

2004-03-07 Thread Vivian Meazza
Melchior FRANZ wrote Sent: 07 March 2004 11:08 To: [EMAIL PROTECTED] Subject: [Flightgear-devel] Re: Spitfire Hurricane manuals * Vivian Meazza -- Sunday 07 March 2004 11:53: Oddly enough, last weekend I found a book in my local bookstore on the Spitfire MkIIb, containing line

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-08 Thread Vivian Meazza
. I have a copy of his unfinished model, if anyone wants it. That could be useful. Could you let me have a copy? Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-09 Thread Vivian Meazza
Lee Elliott On Monday 08 March 2004 13:21, David Megginson wrote: Vivian Meazza wrote: That could be useful. Could you let me have a copy? I'll send it via private e-mail. Also, for anyone interested in the Hurricane (the Spitfire's weaker and lesser known sibling, but also

RE: [Flightgear-devel] heads up for 3D modelers - plib cvs issue

2004-03-09 Thread Vivian Meazza
Jim Wilson It occurred to me that our 3-D modelers might not all be running plib cvs. Andy came up with an excellent improvement to the ac3d loader/optimizer (new optimizer actually) that incorporates logic to automatically split vertices in two so that they go into seperate

RE: [Flightgear-devel] heads up for 3D modelers - plib cvs issue

2004-03-09 Thread Vivian Meazza
Jim wrote -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jim Wilson Sent: 09 March 2004 19:31 To: FlightGear developers discussions Subject: RE: [Flightgear-devel] heads up for 3D modelers - plib cvs issue Vivian Meazza said: We

RE: [Flightgear-devel] New keybinding

2004-03-11 Thread Vivian Meazza
for seat raise/lower. Rather sounds like I'd better use L/l. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] New keybinding

2004-03-11 Thread Vivian Meazza
David Megginson wrote Sent: 11 March 2004 16:05 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] New keybinding Vivian Meazza wrote: I've bound Ctrl-R to the radios dialog. I imagine that this will be a very frequently-used command, especially for aircraft

RE: [Flightgear-devel] RFD: base package aircraft and aliases

2004-03-17 Thread Vivian Meazza
Lee Elliott wrote On Wednesday 17 March 2004 16:37, Curtis L. Olson wrote: Curtis L. Olson wrote: 1. I'm growing less enthused with our aircraft alias naming system. I don't mind that we have the capability, but it becomes annoying to have 8 names for the same aircraft, even

RE: [Flightgear-devel] RFD: base package aircraft and aliases

2004-03-18 Thread Vivian Meazza
Lee Elliott wrote On Wednesday 17 March 2004 21:50, Vivian Meazza wrote: [snip...] ... I'd be inclined to hold off including the Sea Hawk, TSR-2 and B-52, for the time being at least. The Sea Hawk is currently getting a proper panel, speed-brakes and some missing gear doors

RE: [Flightgear-devel] animation problem (bo105 shadow)

2004-03-22 Thread Vivian Meazza
Melchior FRANZ I've added two shadows for the bo105 (after Jim beat me to it :-), but I can't animate them correctly. The situation is so strange that it must be a bug in fgfs. I've got objects shadow_fuselage and shadow_rotor. Both are very flat, textured boxes. The strategy is:

RE: [Flightgear-devel] autoflight

2004-03-23 Thread Vivian Meazza
scripting end up is that the script controls the workflow, but most of this stuff is done using pain C++ code. ^^ That would make it both flexible and fast. Freudian slip? Regards Vivian Meazza

RE: [Flightgear-devel] Clouds artefacts

2004-03-24 Thread Vivian Meazza
the --disable-clouds to really disable clouds. Cheers, -Fred The exhaust plume of the Hunter is a crude simulation - using a nearly transparent material. Perhaps there's a better way of simulating the exhaust? Regards Vivian Meazza ___ Flightgear

RE: [Flightgear-devel] Clouds artefacts

2004-03-24 Thread Vivian Meazza
Frederic BOUVIER wrote Vivian Meazza wrote: So to make it short, it seems to work ok. What this change does not address yet is the fact that we can see the ground over overcast layer through the exhaust beam of the hunter. I can try to look at this tonight and cure

RE: [Flightgear-devel] Clouds artefacts

2004-03-24 Thread Vivian Meazza
Frederic BOUVIER wrote Vivian Meazza wrote: Frederic BOUVIER wrote Vivian Meazza wrote: So to make it short, it seems to work ok. What this change does not address yet is the fact that we can see the ground over overcast layer through the exhaust beam

RE: [Flightgear-devel] seahawk broke

2004-03-24 Thread Vivian Meazza
Erik wrote -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Erik Hofman Sent: 24 March 2004 12:42 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] seahawk broke Curtis L. Olson wrote: Erik, I get two errors trying

RE: [Flightgear-devel] seahawk broke

2004-03-24 Thread Vivian Meazza
Jim Wilson wrote Erik Hofman said: Vivian Meazza wrote: Erik wrote I was trying to get a 2d panel and 3d panel version mixed into one subdirectory. Vivian reworked the seahawk to add a 3d cockpit but didn't include the 3d panel code (and moved some code to appropriate

RE: [Flightgear-devel] Official 0.9.4 release???

2004-03-24 Thread Vivian Meazza
Curtis L. Olson asked Sent: 24 March 2004 15:36 To: FlightGear developers discussions Subject: [Flightgear-devel] Official 0.9.4 release??? I'm seeing a last minute flurry of people trying to get final model tweaks into the base package (which is good--great work guys![1]), but

RE: [Flightgear-devel] Official 0.9.4 release???

2004-03-24 Thread Vivian Meazza
Jim Wilson Vivian Meazza said: Curtis L. Olson asked Sent: 24 March 2004 15:36 To: FlightGear developers discussions Subject: [Flightgear-devel] Official 0.9.4 release??? I'm seeing a last minute flurry of people trying to get final model tweaks

RE: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS:data/Aircraft/bo105/Models bo105.ac, 1.8,

2004-03-25 Thread Vivian Meazza
Jim Wilson Curtis L. Olson said: Jim Wilson wrote: How about this one? ;-) http://www.spiderbark.com/fgfs/barneymobile.png Is that the don't-ask-don't-tellicopter. Haha! Is this what they call aviation innuendo? What about these folks:

RE: [Flightgear-devel] Trademark violations could be a problem

2004-03-26 Thread Vivian Meazza
Giles Robertson wrote Let's check the patent filing dates etc. Could just be that we have prior art. Can anybody get a date that nasal was originally committed? Giles Robertson -Original Message- From: Lee Elliott [mailto:[EMAIL PROTECTED] Sent: 26 March 2004 02:20

RE: [Flightgear-devel] New YASim fuel code

2004-03-27 Thread Vivian Meazza
Andy Ross wrote Now that the new release is out (yeah, that's my exuse...), I've finally checked in the new Nasal fuel code I've been working on, along with YASim changes to enable it. This hasn't been tested terribly well, so please let me know if I broke something. You should be

RE: [Flightgear-devel] New YASim fuel code

2004-03-27 Thread Vivian Meazza
Andy Ross replied Vivian Meazza wrote: How do we handle fuel in lbs and account for Avgas/JP4? For read access, you will find a level-lbs property also. But the only one you are allowed to change is the gallons one. There is a density-ppg property there too, for doing

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-31 Thread Vivian Meazza
simulation in YASim: How do we set the reduction gearing ratio? Can we do a constant speed propeller? And can we set the handedness of the propeller to RH? Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http

[Flightgear-devel] FGFS 0.9.4 - Aircraft Data - P51d

2004-03-31 Thread Vivian Meazza
The P51d YASim file appears to have the following typo: wing ... flap1 start=0.543 end=0.94.5 lift=1.3 drag=1.4/ ^^ /wing Makes the model interesting in roll!! Regards Vivian Meazza ___ Flightgear-devel mailing

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-31 Thread Vivian Meazza
Andy Ross replied Sent: 31 March 2004 20:43 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] Spitfire Hurricane manuals Vivian Meazza wrote: How do we set the reduction gearing ratio? Set the gear-ratio attribute of the propeller tag. This is the reduction

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-31 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: Thanks for all that: all looks good - the documentation has got a bit astern of station. Could you explain a bit more about the turbo attribute when used for a supercharger? Actually, the existing turbo-mul implementation is *more* like

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-03-31 Thread Vivian Meazza
Arnt Karlsen wrote On Wed, 31 Mar 2004 13:32:39 -0800, Andy wrote in message [EMAIL PROTECTED]: Vivian Meazza wrote: Thanks for all that: all looks good - the documentation has got a bit astern of station. Could you explain a bit more about the turbo attribute when used

RE: [Flightgear-devel] FGFS 0.9.4 - Aircraft Data - P51d

2004-04-01 Thread Vivian Meazza
Jim Wilson wrote Vivian Meazza said: The P51d YASim file appears to have the following typo: wing ... flap1 start=0.543 end=0.94.5 lift=1.3 drag=1.4/ ^^ /wing Makes the model interesting in roll!! Hi Vivian, Someone more

RE: [Flightgear-devel] FGFS 0.9.4 - Aircraft Data - P51d

2004-04-01 Thread Vivian Meazza
something to do with the propeller right now. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] FGFS 0.9.4 - Aircraft Data - P51d

2004-04-01 Thread Vivian Meazza
Spitfire F21 contract although production was cancelled with the end of the war and the introduction into service of the new jet powered Meteor and Vampire. The aircraft eventually evolved into the Seafang for Royal Navy service which in its turn was also cancelled. Regards Vivian Meazza

RE: [Flightgear-devel] FGFS 0.9.4 - Aircraft Data - P51d

2004-04-02 Thread Vivian Meazza
be of interest http://www.aae.uiuc.edu/m-selig/ads/aircraft.html That said that list shows a different NACA number for the Spitfire to a contemporary paper so ... Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-03 Thread Vivian Meazza
Jonathan Richards On Wednesday 31 Mar 2004 11:09 am, Vivian Meazza wrote: snip I now have the Spitfire IIa model well underway. I have all the drawings and data I need (far too much probably). I've rather lost the bubble on the recent changes to the piston engine simulation

RE: [Flightgear-devel] Aircraft Todo List

2004-04-11 Thread Vivian Meazza
Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] Aircraft Todo List

2004-04-13 Thread Vivian Meazza
more work on it in due course. I'm not giving it a high priority, since it is really only eye candy. Fred Bouvier has been doing some work on the interaction with clouds. BTW, transparent cockpit canopies also make clouds disappear. Regards Vivian Meazza

RE: [Flightgear-devel] Aircraft Todo List

2004-04-13 Thread Vivian Meazza
-ingestion for the Harrier and for helos. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] 3d panel visible externally. Why?

2004-04-14 Thread Vivian Meazza
Marco Look in the Hunter or p51d model files to see how it can be done. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-17 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: How do we set the reduction gearing ratio? Set the gear-ratio attribute of the propeller tag. This is the reduction ratio, so typical values will be less than 1.0. Can we do a constant speed propeller? The min-rpm and max-rpm attributes

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-17 Thread Vivian Meazza
Andy Ross replied Vivian Meazza wrote: wastegate-mp=18.32 [...] mp-osi = 26.050 - does the wastegate work? - is this psi? The units are absolute pressure in inches of mercury (I honestly don't know what the -osi suffix means). The wastegate should indeed work. However

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-17 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: wastegate-mp=18.32 [...] mp-osi = 26.050 - does the wastegate work? - is this psi? The units are absolute pressure in inches of mercury (I honestly don't know what the -osi suffix means). The wastegate should indeed work. However

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-18 Thread Vivian Meazza
Andy Ross wrote: Sent: 18 April 2004 19:04 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] Spitfire Hurricane manuals Vivian Meazza wrote: YASim crashes, or perhaps, fails to converge, just by attempting to run with takeoff-power=1100 takeoff-rpm=1360

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-19 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: With these values eng-power=1140 eng-rpm=2850 cruise-power=2850 cruise-rpm=1359 takeoff-power=1100 takeoff-rpm=1359 YASim appears go into a loop and provides no output. These settings don't make much sense in combination

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-19 Thread Vivian Meazza
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Luff Sent: 19 April 2004 09:52 To: FlightGear developers discussions Subject: RE: [Flightgear-devel] Spitfire Hurricane manuals On 4/19/04 at 9:24 AM Vivian Meazza wrote: Finally

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-19 Thread Vivian Meazza
- Dave All you ever wanted to know about a Merlin with 2 speed, 2 stage supercharging is here: http://www.unlimitedexcitement.com/Pride%20of%20Pay%20n%20Pak/Rolls-Royce%20 Merlin%20V-1650%20Engine.htm Except exactly how the boost contol valve worked :-) Regards Vivian Meazza

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-19 Thread Vivian Meazza
Andy Ross wrote Vivian Meazza wrote: The takeoff values. Are these the power absorbed by the propeller at propeller rpm, or the engine output at engine rpm, super- or un-supercharged? Un-supercharged. And the equations are solved such that both power values are the same

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-20 Thread Vivian Meazza
Andy wrote Vivian Meazza wrote: However, eng-power should be the un-supercharged max power, so I reduced eng-power value, No no, I was wrong. Use the superchared value, the eng-power gets corrected before solving to assume max sea level manifold density (i.e. with boost

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-20 Thread Vivian Meazza
Andy Ross Vivian Meazza wrote: However, eng-power should be the un-supercharged max power, so I reduced eng-power value, No no, I was wrong. Use the superchared value, the eng-power gets corrected before solving to assume max sea level manifold density (i.e. with boost

RE: [Flightgear-devel] Spitfire Hurricane manuals

2004-04-20 Thread Vivian Meazza
Andy Ross tried again! Vivian Meazza wrote: As does this (2): cruise-speed=308 cruise-rpm=2850 This does not (3): cruise-speed=308 cruise-rpm=1360 Again, these are *wildly* different propoellers you are specifying. The second one is going to end up

RE: [Flightgear-devel] Spitfire Propeller vs. YASim

2004-04-21 Thread Vivian Meazza
Andy Ross [Starting a new thread. The reply nesting level in my mozilla window was getting freaky.] Vivian Meazza wrote: The engine I'm trying to specify developed 1140 HP at engine revolutions of 2850 rpm at a boost pressure of 9 psi. It was fitted with 1:0.477 reduction

RE: [Flightgear-devel] Spitfire Propeller vs. YASim

2004-04-21 Thread Vivian Meazza
Vivian Meazza wrote Andy Ross [Starting a new thread. The reply nesting level in my mozilla window was getting freaky.] Vivian Meazza wrote: The engine I'm trying to specify developed 1140 HP at engine revolutions of 2850 rpm at a boost pressure of 9 psi. It was fitted

RE: [Flightgear-devel] Spitfire Propeller vs. YASim

2004-04-23 Thread Vivian Meazza
Wolfram Kuss asked I did not see the original thread. What Spitfire version are you speaking about? Spitfire Mk IIA Regards Vivian ___ Flightgear-devel mailing list [EMAIL PROTECTED]

RE: [Flightgear-devel] 2004 Linux User Developer Expo

2004-04-23 Thread Vivian Meazza
Jon Stockill wrote The Fleet Air Arm Museum are very interested in having their own simulator but this would depend on them being able to find a sponsor - so it's still dubious as to if anything will happen in that respect. They have a Vampire cockpit which they're using

RE: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Vivian Meazza
in psi; in YASim is holded by epr but the units are missing. Epr is exhaust pressure ratio. AFAIK, oil pressure is not modelled. Regards Vivian Meazza ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo

RE: [Flightgear-devel] 2004 Linux User Developer Expo

2004-04-23 Thread Vivian Meazza
Jonathan Richards On Friday 23 Apr 2004 4:11 pm, Vivian Meazza wrote: Jon Stockill wrote snip They were particularly impressed with the Seahawk and hunter models, so if Vivian wants to do a Seafire version of his spitfire model I'm sure they'd be happy to supply some

RE: [Flightgear-devel] 2004 Linux User Developer Expo

2004-04-23 Thread Vivian Meazza
Jonathan Richards wrote On Friday 23 Apr 2004 5:24 pm, Vivian Meazza wrote: Jonathan Richards snip I'm prepared to write to the Battle of Britain Memorial Flight [1] and ask them for information. snip I think that would be a very good idea. I think I have evolved a pretty

RE: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Vivian Meazza
David Megginson wrote Andy Ross wrote: But the idea behind YASim is to produce plausible results for all possible engines; oil pressure is one of those values that is (AFAIK) just too engine-specific. Further to the point, here is some information from the Lycoming O-320

RE: [Flightgear-devel] Spitfire Performance Testing

2004-05-13 Thread Vivian Meazza
Erik Hofman wrote (some time ago) Sent: 01 May 2004 08:42 To: FlightGear developers discussions Subject: Re: [Flightgear-devel] Spitfire Performance Testing Vivian Meazza wrote: Thanks, Eric, that link was already a primary source. It's all coming together nicely. Just finishing

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