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] VRP and Camera View

2004-04-23 Thread Mathias Fröhlich
On Donnerstag, 22. April 2004 21:10, Jon S Berndt wrote: Josh Babcock [EMAIL PROTECTED] wrote: It would be nice to be able to turn on some sort of cursor in FlightGear to show where the VRP and CG are. Maybe three lines through the point and parallel to the axis of the model. I think it

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

2004-04-23 Thread Matthew Law
Lee Elliott wrote: It sounds as though things went really well - round of applause to all concerned. I wish I could have got up there, if only to visit but sadly, there wasn't any way I could make it. Ditto. I'll definitely try and be there next year. Well done guys! All the best, Matt.

Re: [Flightgear-devel] OpenAL - http://www.openal.org

2004-04-23 Thread Gunnstein Lye
On Thursday 22 April 2004 22:03, Tracy Martin wrote: Engine fails, lever fully down, adopt autorotation speed (depends on type flown and where the field is) keep nose into wind with pedal*, adjust rrpm ( depending on weight ) ...wait for the ground to get nearer, around 30 - 40' stick

Re: [Flightgear-devel] MD-11

2004-04-23 Thread Erik Hofman
Durk Talsma wrote: On Thursday 22 April 2004 21:34, Jon S Berndt wrote: On Thu, 22 Apr 2004 20:49:25 +0200 Durk Talsma [EMAIL PROTECTED] wrote: Well, that's right. It happened in that order :-) When I first tried loading the MD11, it appeared to initialize a few hundred feet above the ground,

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

2004-04-23 Thread Jon Stockill
On Thu, 22 Apr 2004, Al West wrote: It was highly enjoyable to be able to talk to people about something one is very interested in and I am disappointed that both days passed by so quickly. My congratulations go out to the two Jons who did a fantastic job in instructing during the show. It

Re: [Flightgear-devel] Motion Base Simulator ?

2004-04-23 Thread Jon Stockill
On Fri, 23 Apr 2004, Jonathan Richards wrote: See that? That's coming to next year's Linux Expo, that is! We can dream, I suppose... *note to self: you'll be needing the larger drum of cable to wire that one up. -- Jon Stockill [EMAIL PROTECTED]

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

2004-04-23 Thread Richard Bytheway
You can find my pictures at http://photos.stockill.org.uk/ludex2004 I have to ask, what is img_0006.jpg (Captioned It's evil but it might just work.)? Richard ___ Flightgear-devel mailing list [EMAIL PROTECTED]

Re: [Flightgear-devel] Motion Base Simulator ?

2004-04-23 Thread Manuel Bessler
On Thu, 22 Apr 2004 18:12:16 -0400 Ampere K. Hardraade wrote: That's because it isn't a 747-400, but a 747-200; which makes me think that that might once been an actual plane. Yes, it was an actual plane. AFAIR D-ABYM of the Lufthansa. Its part of a museum. Its staticly mounted, so no motion

[Flightgear-devel] animating Models

2004-04-23 Thread CHANDRASEKHAR ACHALLA
Hi, I would like to know if anybody is working on inserting and animating Models into flightgear. I have contacted David Culp with these questions (see below). He said that the FDM for the model support it, but there is no flight plan yet. So, I was wondering if anybody is working on it so that

Re: [Flightgear-devel] Motion Base Simulator ?

2004-04-23 Thread Curtis L. Olson
Manuel Bessler wrote: Yes, it was an actual plane. AFAIR D-ABYM of the Lufthansa. Its part of a museum. Its staticly mounted, so no motion sim :( Hmmm, all you'd need to do would be to put some large electric servo motors on each strut that could drive them up and down a foot or so in each

Re: [Flightgear-devel] OpenAL - http://www.openal.org

2004-04-23 Thread David Luff
On 4/22/04 at 9:03 PM Tracy Martin wrote: . Wearing my helicopter flying/instructing hat :- ditto :) ... apart from the lack of real world autorotation. I don't usually have such a spectatular landing when practicing the real thing :) Single engine choppers glide quite nicely albeit to a

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] 2004 Linux User Developer Expo

2004-04-23 Thread Jonathan Richards
On Friday 23 Apr 2004 1:22 pm, Richard Bytheway wrote: You can find my pictures at http://photos.stockill.org.uk/ludex2004 I have to ask, what is img_0006.jpg (Captioned It's evil but it might just work.)? Richard It's the arrangement of two potentiometers at right angles that we

[Flightgear-devel] Questions about flight model

2004-04-23 Thread Luca Masera
Hi everyone, I'm creating the 3d instruments for the mb339 using JSBSim and YASimas as flight dynamics models. The questions are: about YASim: in which units is measured the oil pressure? In JSBSim the value is holded by oil-pressure-psi and it's measured in psi; in YASim is holded by epr but

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

2004-04-23 Thread 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 information. The thought had crossed

Re: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Jon S Berndt
On Fri, 23 Apr 2004 17:43:59 +0200 Luca Masera [EMAIL PROTECTED] wrote: Hi everyone, about JSBBim: the airplane has three tanks, but the flight model uses only the first. In other words, if I start FlightGear with the first tank empty, the engine is off and doesn't starts. This happens even

RE: [Flightgear-devel] OpenAL - http://www.openal.org

2004-04-23 Thread Phillip Jones
Thanks for the feedback. I was hoping to catch up with you after you'd finished flying and discover what you thought of the helicopter dynamics, but missed you. I guess we've got some serious improvement to do. If you fly our helicopters occaisionally and tell us what is good and bad about

RE: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Vivian Meazza
Luca Masera wrote Hi everyone, I'm creating the 3d instruments for the mb339 using JSBSim and YASim as flight dynamics models. The questions are: about YASim: in which units is measured the oil pressure? In JSBSim the value is holded by oil-pressure-psi and it's measured in

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] Questions about flight model

2004-04-23 Thread Andy Ross
Luca Masera wrote: about YASim: in which units is measured the oil pressure? In JSBSim the value is holded by oil-pressure-psi and it's measured in psi; in YASim is holded by epr but the units are missing. Er, that's an Engine Pressure Ratio , which is a thrust metric used in early jets in

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

2004-04-23 Thread Jonathan Richards
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 good idea of what it did from various

Re: [Flightgear-devel] MD-11

2004-04-23 Thread Durk Talsma
On Friday 23 April 2004 04:47, David Culp wrote: When a JSBSim airplane begins in a bizarre position, or is tumbling, that means that it failed the ground trimming routine. I've found that aeromatic has a hard time generating large airplanes that will trim properly. I've only been able to

Re: [Flightgear-devel] Questions about flight model

2004-04-23 Thread David Megginson
Andy Ross wrote: Er, that's an Engine Pressure Ratio , which is a thrust metric used in early jets in lieu of N1 RPM. YASim doesn't model oil pressure right now, because I'm not aware of a good basis on which to do so. If you have numbers you want to match for this particular aircraft, I could

Re: [Flightgear-devel] MD-11

2004-04-23 Thread Jon S Berndt
On Fri, 23 Apr 2004 19:03:15 +0200 Durk Talsma [EMAIL PROTECTED] wrote: Hmm, I just played a bit with the main gears' position, moving them backward by just a bit, and right now, I have the situation where upon initialization, the aircraft tumbles over once and than settles with a bang on the

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 David Megginson
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 Operator's manual; it would make a good

Re: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Tony Peden
--- Andy Ross [EMAIL PROTECTED] wrote: Luca Masera wrote: about YASim: in which units is measured the oil pressure? In JSBSim the value is holded by oil-pressure-psi and it's measured in psi; in YASim is holded by epr but the units are missing. Er, that's an Engine Pressure Ratio ,

Re: [Flightgear-devel] Questions about flight model

2004-04-23 Thread Andy Ross
David Megginson wrote: How about allowing the config to contain a couple of sample values and then interpolating (taking into account outside temperature, engine temperature, and power setting)? Sure. That was the idea with the Nasal script, actually. Set it to poll every second or so and

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

2004-04-23 Thread Jon Stockill
On Fri, 23 Apr 2004, Richard Bytheway wrote: You can find my pictures at http://photos.stockill.org.uk/ludex2004 I have to ask, what is img_0006.jpg (Captioned It's evil but it might just work.)? Heh :-) That's the kit that interfaced the cyclic... -- Jon Stockill [EMAIL

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] MD-11

2004-04-23 Thread Durk Talsma
Can you email me your config file and engine file? I can try running it in the standalone JSBSim and make some quick plots and see what I can see. Are you initializing on the runway? At altitude? I'm initializing on the runway. Below sea level actually, but that shouldn't make a

Re: [Flightgear-devel] Questions about flight model

2004-04-23 Thread David Megginson
Vivian Meazza wrote: The Merlin has a gear-driven oil pump and, I assume, a pressure relief valve. I was going to assume that oil pressure was a function of rpm with max and min values. The Merlin is a rotary engine, isn't it? In any case, a pump attached to the engine accessory drive (along

Re: [Flightgear-devel] animating Models

2004-04-23 Thread Joseph Harnish
Chandrasekhar, Hello fellow west Michigander. If you get any information on how to do this can you send it to me. I am playing with putting a bird into FlightGear. But I am not having any luck. Joe - Original Message - From: CHANDRASEKHAR ACHALLA [EMAIL PROTECTED] Date: Fri, 23

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

2004-04-23 Thread Al West
On Friday 23 April 2004 10:59, Jon Stockill wrote: 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 information. Also they said they would be happy to help with anyone