Re: [Flightgear-devel] C310 Update

2005-12-20 Thread Buchanan, Stuart
--- Buchanan, Stuart wrote: Hi All, I've been working on an update for the civilian Cessna 310R, and my patches are now available for review/check-in. Thanks for all the feedback. I've updated the c310.tar.gz and quadrant.tar.gz file to fix the following issues: - mixture (and prop!)

Re: [Flightgear-devel] C310 Update

2005-12-20 Thread Georg Vollnhals
Hi Stuart, Thanks! How do you feel is the front-wheel steering (low speed, low rpm)? If I look from outside the wheel points to one direction but the action of the aircraft is very slow. At a little bit higher speed the a/c is sliding forward dispite the wheel direction. Just a hint, nothing

RE: [Flightgear-devel] C310 Update

2005-12-20 Thread Jon S. Berndt
Hi Stuart, Thanks! How do you feel is the front-wheel steering (low speed, low rpm)? If I look from outside the wheel points to one direction but the action of the aircraft is very slow. At a little bit higher speed the a/c is sliding forward despite the wheel direction. Just a hint,

Re: [Flightgear-devel] C310 Update

2005-12-20 Thread Georg Vollnhals
Thank you Jon, I thought it to be a problem just for this a/c. Now I know better and look forward .. Regards Georg EDDW ... Hi Stuart, Thanks! How do you feel is the front-wheel steering (low speed, low rpm)? ... FYI, the coming version of JSBSim will be having very much improved

RE: [Flightgear-devel] C310 Update

2005-12-19 Thread Buchanan, Stuart
--- Joacim Persson [EMAIL PROTECTED] wrote: There are also numbers for the two pilot's seats, and luggage, in the type certificate. Since the sets are all located aft of the CG, the empty CG should probably be the most fwd measure. (unless the c310 has a storage in the nose also) The

[Flightgear-devel] C310 Update

2005-12-18 Thread Buchanan, Stuart
Hi All, I've been working on an update for the civilian Cessna 310R, and my patches are now available for review/check-in. The update consists of - new generic 3D instrumesnts for a throttle quadrant and rudder pedals - 3D cockpit for the civilian C310 (screenshot -

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Georg Vollnhals
Hi Stuart, I can see the nice screenshot but cannot download the files, anything seems to be broken with the link. Would you please check it? Thank you Georg EDDW Buchanan, Stuart schrieb: Patch files are available from http://www.nanjika.co.uk/flightgear/c310/ .. Feedback is greatly

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Buchanan, Stuart
--- Georg Vollnhals wrote: Hi Stuart, I can see the nice screenshot but cannot download the files, anything seems to be broken with the link. Would you please check it? Hi Georg, Directory listings were switched off, though I think the files were accessible directly. I've enabled

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Torsten Dreyer
There are a number of minor issues remaining: - For some reason I have minor alpha problems with the panel where the outside world can be seen through the bottom edge of some instruments. I haven't been able to get to the bottom of this. I'm not sure whether this is an issue with my graphics

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Georg Vollnhals
Buchanan, Stuart schrieb: Hi Georg, Directory listings were switched off, though I think the files were accessible directly. I've enabled directory listings - should work OK now. -Stuart Thank you, Stuart! Downloaded the files and will give feedback as soon as I tested it (in some

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Torsten Dreyer
One more... The mixture levers are crossed: the left mixture controls the right engine and vice versa ___ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Buchanan, Stuart
--- Torsten Dreyer wrote: And there is a hole on the upper side of each wing where the upper surface connects to the wingtip. It looks like you optimized one vertex to much. Oh and one more funny view is when you look from the outside at the plane's roof, you can see thru the windows

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Georg Vollnhals
Buchanan, Stuart schrieb: Hi Torsten, Hi Stuart, as Torsten reported more than I could find out when flying the plane, I just have to say that due to your work this nice plane now got back into my hangar. Thank you for your work! Georg EDDW

Re: [Flightgear-devel] C310 Update

2005-12-18 Thread Joacim Persson
Nothing to do with Stuart's work on the c310, but a tip on the fdm (jsbsim version): Move the CG forward a bit, at least a 10--15. (the correct CG location should be taken from the type certificate, which I haven't been able to find on a quick google) The plane flies a lot better then. (better

RE: [Flightgear-devel] C310 Update

2005-12-18 Thread Jon S. Berndt
Move the CG forward a bit, at least a 10--15. (the correct CG location should be taken from the type certificate, which I haven't been able to find on a quick google) The plane flies a lot better then. (better stability and cruise alpha, when it's not flying on the stabiliser) This also puts

RE: [Flightgear-devel] C310 Update

2005-12-18 Thread Joacim Persson
On Sun, 18 Dec 2005, Jon S. Berndt wrote: The TCDS suggests the CG should be in the range, 37-42 inches (assuming our datum is the same). I think the datum is the same. (p33 in the type cert.): Datum Forward face of fuselage bulkhead forward of rudder pedals. And from 310.xml: The

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
Michael Selig writes: Some real numbers on the 310 are in one of Roskam's books, and those same numbers are in the fgfs base package here: ~fgfsbase/Aircraft-uiuc/Cessna310/aircraft.dat Yes, I took my numbers from Roskam as well. Personally, given the ability of fgfs to do a fairly

RE: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
Jon Berndt writes: I am 90% sure that the Ixx we use for the -310 is empty weight Ixx. That means of course that I am 22% not sure. When I put together the original 310 JSBSim config file (my first one, I think), I simply copied the numbers from Roskam -- they appear to be unchanged since

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Jon S Berndt
On Tue, 11 Mar 2003 10:50:04 -0500 David Megginson [EMAIL PROTECTED] wrote: JSBSim, on the other hand, assumes no fuel in the tanks, and does an additional calculation of the moment for the fuel when the tanks are full. Hence our (possible) problem. It is possible to calculate offline, and log

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Jim Wilson
Jon S Berndt [EMAIL PROTECTED] said: There's also no reason to include yaw dampers in the individual FDMs -- we should be able to handle that in our FlightGear autopilot module. Perhaps, but it's different for each type of aircraft. This is exactly the functionality that would be built

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
Jim Wilson writes: Then we just need an interface to be able to turn yaw damping on or off? That scares me a bit. Our current FGInterface class for the FDMs is already terrifying. I'm hoping to start trimming it down soon and relying more on properties (as already happens for all new

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Tony Peden
--- David Megginson [EMAIL PROTECTED] wrote: Michael Selig writes: Some real numbers on the 310 are in one of Roskam's books, and those same numbers are in the fgfs base package here: ~fgfsbase/Aircraft-uiuc/Cessna310/aircraft.dat Yes, I took my numbers from Roskam as well.

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Tony Peden
--- David Megginson [EMAIL PROTECTED] wrote: Jim Wilson writes: Then we just need an interface to be able to turn yaw damping on or off? That scares me a bit. Our current FGInterface class for the FDMs is already terrifying. I'm hoping to start trimming it down soon and relying more

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Jon S Berndt
On Tue, 11 Mar 2003 12:10:44 -0500 David Megginson [EMAIL PROTECTED] wrote: Jon S Berndt writes: I understand that it would be convenient for an FCS to be built-into standalone JSBSim, but in FlightGear, as long as the FDMs publish all of the information that an FCS would need as input, we can

[Flightgear-devel] c310 more stable

2003-03-11 Thread paul mccann
Dave I have not had a chance to update to the latest cvs version yet, but will tonight and will let you know as soon as I do. One of the manuals I have is dated 1969, and the other does not have a date but list models covered. They look to be from about the same era though. Paul

re: [Flightgear-devel] c310 more stable

2003-03-11 Thread David Megginson
paul mccann writes: I have not had a chance to update to the latest cvs version yet, but will tonight and will let you know as soon as I do. One of the manuals I have is dated 1969, and the other does not have a date but list models covered. They look to be from about the same era

[Flightgear-devel] c310 more stable

2003-03-11 Thread paul mccann
Dave I tried the updated c310 tonight, and to me it seemed very stable and a big improvement. Now when you fly a ILS approach you can concentrate on the approach as opposed to just trying to keep right side up! Thanks. Paul ___ Flightgear-devel

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Tony Peden
On Tue, 2003-03-11 at 07:50, David Megginson wrote: Michael Selig writes: Some real numbers on the 310 are in one of Roskam's books, and those same numbers are in the fgfs base package here: ~fgfsbase/Aircraft-uiuc/Cessna310/aircraft.dat Yes, I took my numbers from Roskam as well.

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
Tony Peden writes: It's almost a waste to put the thing there to begin with. Yaw dampers can make a *big* difference in turbulence. I understand that some new autopilots for small planes are tolerant of turbulence, but that most are not -- you risk creating excessive stresses. All the

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread Tony Peden
On Tue, 2003-03-11 at 18:13, David Megginson wrote: Tony Peden writes: It's almost a waste to put the thing there to begin with. Yaw dampers can make a *big* difference in turbulence. I understand that some new autopilots for small planes are tolerant of turbulence, but that most are

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
Tony Peden writes: I understand that some new autopilots for small planes are tolerant of turbulence, but that most are not -- you risk creating excessive stresses. Absolutely amazing. Not so much -- consider the problem: every time the AP sees a deviation, it will try to correct

Re: [Flightgear-devel] C310 more stable

2003-03-11 Thread David Megginson
David Megginson writes: From what I understand, one of the other joys of a multi-axis autopilot is the risk of runway elevator trim. For runway read runaway. All the best, David -- David Megginson, [EMAIL PROTECTED], http://www.megginson.com/

Re: [Flightgear-devel] C310 more stable

2003-03-10 Thread David Megginson
Jim Wilson writes: I found the C310 JSBSim model very unstable, so I've increased roll, pitch, and yaw damping -- please try it out and let me know what you think. Ah, much easier to land. I can't vouch for the realism, but it sure is a lot easier to line up and stay there.

RE: [Flightgear-devel] C310 more stable

2003-03-10 Thread Jon Berndt
I'm not sure I changed the right coefficients, though -- I'm going to look into it more when I get the chance. The real problem might be in the moments of inertia. Hmm. I'm not so sure. The moments of inertia are cut and pasted from a technical document. That's just what they are. You can't

RE: [Flightgear-devel] C310 more stable

2003-03-10 Thread David Megginson
Jon Berndt writes: I'm not sure I changed the right coefficients, though -- I'm going to look into it more when I get the chance. The real problem might be in the moments of inertia. Hmm. I'm not so sure. The moments of inertia are cut and pasted from a technical document. That's

Re: [Flightgear-devel] C310 more stable

2003-03-10 Thread Michael Selig
At 3/10/03, David Megginson wrote: Jim Wilson writes: I found the C310 JSBSim model very unstable, so I've increased roll, pitch, and yaw damping -- please try it out and let me know what you think. Ah, much easier to land. I can't vouch for the realism, but it sure is a lot

RE: [Flightgear-devel] C310 more stable

2003-03-10 Thread Jon Berndt
Full tanks way out on the wingtips of a 310 must create a significant roll moment. JSBSim will generate that moment for us, based on the amount of fuel in the tanks; however, if the published moment *already* assumes full wingtip tanks, then we'll get far too much rolling. I am 90% sure that

Re: [Flightgear-devel] c310 origin

2002-12-14 Thread Erik Hofman
David Megginson wrote: OK, finally I understand the problem. What we need to do, then, is apply the euler angles to the CG rather than the origin when rotating the 3D model. We need only two steps: 1. have the FDMs report the current CG relative to the origin (if they don't already); and

Re: [Flightgear-devel] c310 origin

2002-12-14 Thread Jim Wilson
Norman Vine [EMAIL PROTECTED] said: In your example you may not see the error but . What I meant was that offseting to the varible center of gravity wouldn't be visible either outside or inside the aircraft. The FDM already provides the attitude effects, it is the change in axes that

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jon Berndt
IMHO it'd make the most sense to put the offset (from the nose or tail) to the 3D model origin location into the FDM's aircraft config xml file. This location should be on the leading edge of the wings and z axis centered on the nose as described above. The 3D modeler's could refer to

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Tony Peden
On Sat, 2002-12-14 at 07:26, Jon Berndt wrote: IMHO it'd make the most sense to put the offset (from the nose or tail) to the 3D model origin location into the FDM's aircraft config xml file. This location should be on the leading edge of the wings and z axis centered on the nose as

Re: [Flightgear-devel] c310 origin

2002-12-14 Thread Norman Vine
Jim Wilson writes: Norman Vine [EMAIL PROTECTED] said: In your example you may not see the error but . What I meant was that offseting to the varible center of gravity wouldn't be visible either outside or inside the aircraft. The FDM already provides the attitude effects, it is

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jon Berndt
Tony wrote: Are we sure we want to put the 3D model origin to cg offsets in the FDM config file. IIRC, having multiple 3D models for any one aero model is pretty standard fare in the MSFS world. The only thing we'd do different in JSBSim is to say where the nose/prop tip is. This would give

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jim Wilson
Jon Berndt [EMAIL PROTECTED] said: IMHO it'd make the most sense to put the offset (from the nose or tail) to the 3D model origin location into the FDM's aircraft config xml file. This location should be on the leading edge of the wings and z axis centered on the nose as described

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jim Wilson
Jon Berndt [EMAIL PROTECTED] said: Tony wrote: Are we sure we want to put the 3D model origin to cg offsets in the FDM config file. IIRC, having multiple 3D models for any one aero model is pretty standard fare in the MSFS world. The only thing we'd do different in JSBSim is to say

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jon Berndt
Really we just need the FDMs to agree on something. Or maybe not...maybe the idea of sharing 3DModel configs between FDMs (c310-jsbsim, c310-yasim pointing to the same model.xml) is impratical or too complex? Certainly if one FDM models gear compression and the other doesn't, that is an

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jim Wilson
Jon Berndt [EMAIL PROTECTED] said: It's neither impractical nor complex. FWIW, there really is a standard already out there, and we use it. That is, the structural frame, as I have outlined before. The only problem I see is that the FDM and the 3D model rendering code need to have a static

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jon Berndt
Yes, I knew this would sound a little complicated with swept,delta,body wing aircraft. But making it the nose really just puts the decision on to the 3D Modeler where to some degree the flight model designer could have a better idea. Isn't there some way of deriving an average or nominal

RE: [Flightgear-devel] c310 origin

2002-12-14 Thread Jim Wilson
Jon Berndt [EMAIL PROTECTED] said: I don't really think that the CG (or anything like it) should have anything to do with a common reference point. I think it should be something you can readily see. The nose/prop hub tip is about as unambiguous as it gets. Due to the nature of defining the

re: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Jim Wilson writes: Between YASim, JSBsim, and the U-3A 3d-model we've got three origins that represent the approximate position of the aircraft. JSBsim is 0.2m higher than the 3D model and YASim is 0.2m lower. It'd be nice if the two FDM's agreed with each other, at least on the height

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon Berndt
That's the hard part. The POH and the TCDS give the standard origin on the X axis (the weight and balance reference datum), and the origin on the Y axis can be assumed to be the centreline of the plane, but where do you put the Z origin? For a single, the thrustline of the propeller might

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Jon Berndt writes: 1. Put the X axis origin at the published weight-and-balance reference datum. 1) Respect the manufacturer's structural coordinates, if known. If not, place the X axis origin at the published weight and balance reference datum. If not known, place the X axis

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Arnt Karlsen
On Fri, 13 Dec 2002 10:34:00 -0500, David Megginson [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]: Jon Berndt writes: 1. Put the X axis origin at the published weight-and-balance reference datum. 1) Respect the manufacturer's structural coordinates, if known. If not,

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Andy Ross
David Megginson wrote: 1. Put the X axis origin at the published weight-and-balance reference datum. 2. Put the Y axis origin at the centreline of the plane. 3. Put the Z axis origin [where? the ground?]. I'll just state my opinion again, and then keep my head down until someone tells me

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread Jim Wilson
This brings back the discussion a couple weeks ago on the 747 origin. The following is what I got from that thread: 1). The reported origin is arbitrary in relation to the FDM's internal workings...ie how pitch/roll/yaw is calculated. The exact position of the 3D model origin can be calculated

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Andy Ross writes: Whatever convention we pick should be an easily explainable and identifiable from the *shape* of the airframe only. Not everyone has a POH handy, very few people have WB or C.G. numbers, and even things like the centerline are subject to argument on some aircraft.

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon S Berndt
On Fri, 13 Dec 2002 10:09:06 -0800 Andy Ross [EMAIL PROTECTED] wrote: Whatever convention we pick should be an easily explainable and identifiable from the *shape* of the airframe only. Not everyone has a POH handy, very few people have WB or C.G. numbers, and even things like the centerline

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Jim Wilson writes: 2). On a fixed wing aircraft, if origin is anywhere but between the wings the external model views that follow along with the aircraft (e.g. chase view) will not look correct. The camera is tied to the origin. If the origin is at the nose or tail then the plane

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread Jim Wilson
David Megginson [EMAIL PROTECTED] said: Jim Wilson writes: 2). On a fixed wing aircraft, if origin is anywhere but between the wings the external model views that follow along with the aircraft (e.g. chase view) will not look correct. The camera is tied to the origin. If the

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Norman Vine
David Megginson writes: Jim Wilson writes: 2). On a fixed wing aircraft, if origin is anywhere but between the wings the external model views that follow along with the aircraft (e.g. chase view) will not look correct. The camera is tied to the origin. If the origin is at the

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon S Berndt
On Fri, 13 Dec 2002 13:45:11 -0500 David Megginson [EMAIL PROTECTED] wrote: OK, finally I understand the problem. What we need to do, then, is apply the euler angles to the CG rather than the origin when rotating the 3D model. We need only two steps: 1. have the FDMs report the current CG

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Jim Wilson writes: Actually, no, well yes this is a good idea. But I don't think it is necessary. AFAIK the model rotates correctly already. The FDMs give us lon/lat/alt and roll/pitch/hdg. FlightGear then has to apply transformations to make the model appear in the right place and with

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread Tony Peden
--- David Megginson [EMAIL PROTECTED] wrote: Jim Wilson writes: 2). On a fixed wing aircraft, if origin is anywhere but between the wings the external model views that follow along with the aircraft (e.g. chase view) will not look correct. The camera is tied to the origin. If

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Tony Peden
--- Jon S Berndt [EMAIL PROTECTED] wrote: On Fri, 13 Dec 2002 13:45:11 -0500 David Megginson [EMAIL PROTECTED] wrote: OK, finally I understand the problem. What we need to do, then, is apply the euler angles to the CG rather than the origin when rotating the 3D model. We need only two

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Tony Peden
--- Norman Vine [EMAIL PROTECTED] wrote: David Megginson writes: Jim Wilson writes: 2). On a fixed wing aircraft, if origin is anywhere but between the wings the external model views that follow along with the aircraft (e.g. chase view) will not look correct. The camera is

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon S Berndt
On Fri, 13 Dec 2002 12:09:34 -0800 (PST) Tony Peden [EMAIL PROTECTED] wrote: I think it's pretty clear that we aren't going to agree on one coordinate system to use. Aside from that, agreeing on one takes away the freedom to choose a location that makes sense for the aircraft you are working

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon S Berndt
On Fri, 13 Dec 2002 14:56:39 -0500 David Megginson [EMAIL PROTECTED] wrote: Jim Wilson writes: Actually, no, well yes this is a good idea. But I don't think it is necessary. AFAIK the model rotates correctly already. If you are rotating the model in the same order as the FDM, then the

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread David Megginson
Tony Peden writes: Since this makes the 3D modeler's choice independent of the FDM modeler's choice, it seems the most sensible to me. That wasn't my intention -- you'd still need the same origin for this to work. It's just a way for the 3D engine to know what point to pivot the model

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Norman Vine
David Megginson writes: Jim Wilson writes: Actually, no, well yes this is a good idea. But I don't think it is necessary. AFAIK the model rotates correctly already. The FDMs give us lon/lat/alt and roll/pitch/hdg. FlightGear then has to apply transformations to make the model

RE: [Flightgear-devel] c310 origin

2002-12-13 Thread Jim Wilson
David Megginson [EMAIL PROTECTED] said: Jim Wilson writes: Actually, no, well yes this is a good idea. But I don't think it is necessary. AFAIK the model rotates correctly already. The FDMs give us lon/lat/alt and roll/pitch/hdg. FlightGear then has to apply transformations to

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Tony Peden
On Fri, 2002-12-13 at 12:40, Jon S Berndt wrote: On Fri, 13 Dec 2002 12:09:34 -0800 (PST) Tony Peden [EMAIL PROTECTED] wrote: I think it's pretty clear that we aren't going to agree on one coordinate system to use. Aside from that, agreeing on one takes away the freedom to choose a

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Norman Vine
Tony Peden writes: On Fri, 2002-12-13 at 12:40, Jon S Berndt I think it's pretty clear that we aren't going to agree on one coordinate system to use. Aside from that, agreeing on one takes away the freedom to choose a location that makes sense for the aircraft you are working on

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Jon S Berndt
On 13 Dec 2002 15:22:38 -0800 Tony Peden [EMAIL PROTECTED] wrote: What I'm proposing is that we don't have to agree to use the same point. We just need to provide a way to correct for the difference. Ah, yes. We will need to provide another point - location of nose tip (or whatever). In

Re: [Flightgear-devel] c310 origin

2002-12-13 Thread Norman Vine
Jim Wilson writes: This same effect is less or more depending on exactly where the origin is. We could eliminate it by offseting the lon/lat/alt and roll/pitch/hdg to the current center of gravity for the camera, but that isn't necessary. It'll look good enough (you can't visually see the

[Flightgear-devel] c310 origin

2002-12-12 Thread Jim Wilson
Between YASim, JSBsim, and the U-3A 3d-model we've got three origins that represent the approximate position of the aircraft. JSBsim is 0.2m higher than the 3D model and YASim is 0.2m lower. It'd be nice if the two FDM's agreed with each other, at least on the height above ground for the

[Flightgear-devel] c310-vfr-panel: textures missing

2002-03-29 Thread Melchior FRANZ
c310-vfr-panel.xml says: ... multibackgroundAircraft/c310/c310-panel-11.rgb/multibackground multibackgroundAircraft/c310/c310-panel-12.rgb/multibackground ... but there are no such textures. Have they been forgotten to upload, or are they simply not done yet? m.

Re: [Flightgear-devel] c310-vfr-panel: textures missing

2002-03-29 Thread Andy Ross
Melchior FRANZ wrote: c310-vfr-panel.xml says: ... multibackgroundAircraft/c310/c310-panel-11.rgb/multibackground multibackgroundAircraft/c310/c310-panel-12.rgb/multibackground ... but there are no such textures. Have they been forgotten to upload, or are they simply not done yet?

Re: [Flightgear-devel] c310-vfr-panel: textures missing

2002-03-29 Thread Jim Wilson
Melchior FRANZ [EMAIL PROTECTED] said: c310-vfr-panel.xml says: ... multibackgroundAircraft/c310/c310-panel-11.rgb/multibackground multibackgroundAircraft/c310/c310-panel-12.rgb/multibackground ... but there are no such textures. Have they been forgotten to upload, or are they

RE: [Flightgear-devel] c310 lawn dart

2002-03-21 Thread Jim Wilson
] Subject: [Flightgear-devel] c310 lawn dart With the newly accessible JSBSim properties I was able to gleen this data when the c310 does its supersonic lawn dart thing. Not sure exactly what the numbers mean, but 30983 lbsft sounds like a lot in a light twin. fbx-prop-lbs

[Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread David Megginson
I'm having no problem retracting the C310 gear in flight, using yesterday's CVS version of everything. It's possible that there's a problem in some builds, but it's equally possible that people are letting the plane settle back onto the ground after retracting gear. Try waiting for a higher

Re: [Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread Tony Peden
On Thu, 2002-02-14 at 04:21, David Megginson wrote: I'm having no problem retracting the C310 gear in flight, using yesterday's CVS version of everything. It's possible that there's a problem in some builds, but it's equally possible that people are letting the plane settle back onto the

Re: [Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread Curtis L. Olson
David Megginson writes: I'm having no problem retracting the C310 gear in flight, using yesterday's CVS version of everything. It's possible that there's a problem in some builds, but it's equally possible that people are letting the plane settle back onto the ground after retracting gear.

Re: [Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread Tony Peden
--- Curtis L. Olson [EMAIL PROTECTED] wrote: David Megginson writes: I'm having no problem retracting the C310 gear in flight, using yesterday's CVS version of everything. It's possible that there's a problem in some builds, but it's equally possible that people are letting the

Re: [Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread David Megginson
Erik Hofman writes: I'm having no problem retracting the C310 gear in flight, using yesterday's CVS version of everything. It's possible that there's a problem in some builds, but it's equally possible that people are letting the plane settle back onto the ground after retracting gear.

Re: [Flightgear-devel] C310 Gear Retraction

2002-02-14 Thread David Megginson
Erik Hofman writes: Its' weel above 100 Foot. I tried different altitudes, non worked well. Have you tried different airports? It's strange that we cannot reproduce this. Does the problem occur as soon as the gear are retracted? All the best, David -- David Megginson [EMAIL

[Flightgear-devel] C310

2002-02-13 Thread BERNDT, JON S. (JON) (JSC-EX) (LM)
David M.: do you see a problem with the C310? I can't fly now - my big machine is in the shop. Jon ___ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel

re: [Flightgear-devel] C310

2002-02-13 Thread David Megginson
BERNDT, JON S. (JON) (JSC-EX) (LM) writes: David M.: do you see a problem with the C310? I can't fly now - my big machine is in the shop. It's OK, but I haven't tried a lot of long cross-countries. I haven't put much work into the prop model for the C310 compared to the C172 or C182, so I

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-22 Thread Jim Wilson
Cameron Moore [EMAIL PROTECTED] said: Speaking of which, when I hit 's' to switch panel, it looks like we're reading the XML file each time. It funny that loading scenery doesn't cause any hiccups in performance but switching panels does. Yep, I just used the panel-load that was/is bound to

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-22 Thread Cameron Moore
* [EMAIL PROTECTED] (Jim Wilson) [2001.12.22 08:27]: Cameron Moore [EMAIL PROTECTED] said: Speaking of which, when I hit 's' to switch panel, it looks like we're reading the XML file each time. It funny that loading scenery doesn't cause any hiccups in performance but switching panels

re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-21 Thread David Megginson
John Check writes: While I'm at it... is there a chance we might see being able to include fully defined layers in instruments at some point? The best I can do now is layer include=whatever.xml transformations /layer You should be able to include a complete layer with

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-21 Thread John Check
On Friday 21 December 2001 04:34 pm, you wrote: John Check writes: While I'm at it... is there a chance we might see being able to include fully defined layers in instruments at some point? The best I can do now is layer include=whatever.xml transformations /layer

RE: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-21 Thread Norman Vine
John Check writes: Eventually, I guess you could have a separate subdirectory for each instrument, with a README, etc. Think of yourself as a fine craftsman, like a watchmaker. err.. uhh... umm.. whatever. I'd like to stay away from excessive directories. Maybe if the

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-21 Thread Bernie Bright
Norman Vine wrote: John Check writes: Eventually, I guess you could have a separate subdirectory for each instrument, with a README, etc. Think of yourself as a fine craftsman, like a watchmaker. err.. uhh... umm.. whatever. I'd like to stay away from excessive

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-21 Thread Cameron Moore
* [EMAIL PROTECTED] (Norman Vine) [2001.12.21 19:25]: Bernie Bright writes: Norman Vine wrote: We could even walk both the compressed and the uncompressed tree and use the 'newest' file for easy experimentation. Easy and slow. I remember someone once saying on this very list that

Re: [Flightgear-devel] c310 Panel

2001-12-09 Thread David Findlay
On Sat, 8 Dec 2001 21:38, you wrote: John Check writes: Yes. FWIW I did find some pix with a fair to middlin' amount of detail http://www.philyoder.com/ That's a 310R, with a longer nose, more powerful engines and (I suspect) turbosupercharging, so there may be some minor differences on

Re: [Flightgear-devel] c310 Panel

2001-12-09 Thread John Check
On Sunday 09 December 2001 3:46 am, you wrote: On Sat, 8 Dec 2001 21:38, you wrote: John Check writes: Yes. FWIW I did find some pix with a fair to middlin' amount of detail http://www.philyoder.com/ That's a 310R, with a longer nose, more powerful engines and (I suspect)

Re: [Flightgear-devel] c310 Panel

2001-12-09 Thread John Check
On Sunday 09 December 2001 5:26 pm, you wrote: David Findlay writes: Maybe it would be a good idea to state exactly which models of which aircraft we are going to have? This way we are all looking at the same thing. On the flightmodel list, I mentioned that I'm tentatively using a

Re: [Flightgear-devel] c310 Panel

2001-12-08 Thread Erik Hofman
John Wojnaroski wrote: This is about as ugly as it gets. This will go on your permanent record. :-) :-) :-) Argggh, banished to the netherworld... I should have realized that! :-0 There's nothing wrong with the netherw.. oh, you did'nt say Netherlands. Pfew. :-) Erik

Re: Including instrumenst was: Re: [Flightgear-devel] c310 Panel

2001-12-08 Thread Andy Ross
I found the following magazine review, which I used to fix the performance of the YASim model. It's the turbo variant. http://www.planeandpilotmag.com/content/specs/79cessnaturbo.html Also, this site, which is a buyer's guide for the 310 family, has lots of good trivia about equipment

[Flightgear-devel] c310 engine adjustments

2001-12-08 Thread Curtis L. Olson
Question: What is the procedure for adjusting mixture with a constant speed prop such as the 310 has? In the c172 I had been tweaking for max rpm and then backing off a touch to the rich side. When I adjust mixture on the c310 engines, the only guage that moves is the temp. Shouldn't the

  1   2   >