Re: [Flightgear-devel] Autopilot VOR-Tracking Algorithms

2002-07-10 Thread Ralph Jones
At 05:31 PM 7/10/2002 -0400, you wrote: Curt and I have been having a discussion offline about algorithms for NAV mode on a simple autopilot (like those typically found in a light Cessna or Piper). The current autopilot does not have a working NAV mode -- it was just a quick kludge, with ability

Re: [Flightgear-devel] DC-3 takeoff roll: partial solution

2002-05-23 Thread Ralph Jones
At 02:47 PM 5/22/2002 -0700, you wrote: David Megginson wrote: 1. According to the author, at least, differential braking is bad form while taxiing the DC-3; you should use differential power instead except for very tight turns. I'll buy that. But working dual throttles during the

RE: [Flightgear-devel] FDMs and external atmosphere

2002-05-15 Thread Ralph Jones
At 07:36 AM 5/15/2002 -0400, you wrote: Jon Berndt writes: Yes. We've got hooks in JSBSim to add in the effects of turbulence, but the math model driver for turbulence can be complicated. It's being worked on, albeit slowly. When you're ready, let me know, and I'll add a normalized

Re: [Flightgear-devel] Cessna 310 flaps?

2002-02-28 Thread Ralph Jones
At 09:13 PM 2/28/2002 -0500, you wrote: Can someone describe to me where the flaps are located on the body of a Cessna 310? I haven't been able to see them clearly in any of the photos I've found on the Web, and the two sets of 3-views I have don't indicate them. The ailerons are on the outside

Re: [Flightgear-devel] Autonomous helicopter

2002-02-06 Thread Ralph Jones
At 12:17 PM 2/6/2002 -0800, you wrote: http://web.mit.edu/newsoffice/nr/2002/robochopper.html Their ground station seems to have telemetry but no visualization ... They would seem to be a bit behind Georgia Tech: http://avdil.gtri.gatech.edu/AUVS/IARCLaunchPoint.html rj

Re: [Flightgear-devel] DME FYI

2002-01-25 Thread Ralph Jones
At 05:39 PM 1/25/2002 -0500, you wrote: Alex Perry writes: Also, most aircraft make a noise when seriously uncoordinated (FGFS does not). We can, though -- what kind of a noise should it be? Kind of a fluttering noise; lots of burbling. Hey, how about dual air jets to blow air on one

Re: [Flightgear-devel] ILS/Runway Heading

2002-01-23 Thread Ralph Jones
At 07:28 PM 1/22/2002 -0800, you wrote: Ralph Jones wrote: snip The setting of the OBS is immaterial on an ILS, because it does not work like a VOR... snip Actually (and much to my surprise) in some airplanes (for example the 737) it apparently does matter. I don't recall the details

RE: [Flightgear-devel] Why not use FS2002 aircraft files?

2002-01-05 Thread Ralph Jones
At 10:49 PM 1/4/2002 -0600, Jon S. Berndt wrote: This assumes that MS is doing things correctly and/or the way things should be done. This is an invalid assumption. This is one of the reasons I, personally, wanted to begin writing an FDM. A heavy assumption indeed. The MSFS flight model is

Re: [Flightgear-devel] Skyglow

2001-12-14 Thread Ralph Jones
At 04:22 PM 12/14/2001 +0200, you wrote: Once upon a time, you were sitting and writing: Would it be possible to model skyglow in FlightGear? That way you could see when you're approaching a city, even when you can't see it for mountains etc. Interesting question. You could either try

Re: [Flightgear-devel] Stall horn question

2001-11-29 Thread Ralph Jones
At 03:10 PM 11/28/2001 -0600, you wrote: David Megginson writes: Andy Ross writes: On the ground, gravity holds it down (open), so the horn is off. Now there's a good practical joke -- stick the horn tab on with a bit of duct tape. As long as they remember their pilot training and