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 abil

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 duri

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 norma

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 outs

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

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: > > > > The setting of the OBS is immaterial on an ILS, because it does not work > > like a VOR... > > > >Actually (and much to my surprise) in some airplanes (for example the 737) it >apparentl

Re: [Flightgear-devel] VOR TO/FROM

2002-01-11 Thread Ralph Jones
At 08:22 PM 1/10/2002 -0800, you wrote: >Hi, > >Going thru the FG nav code for FG I noticed the To/From flag calculation >in radiostack.cxx. > >Someone might want to check on the method of calculation. > >I believe the to/from is independent of aircraft heading and only denotes >position left or

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

2002-01-05 Thread Ralph Jones
At 12:47 PM 1/6/2002 +1000, you wrote: >On Sun, 6 Jan 2002 12:42, you wrote: > > Not to disagree with what you said > > > > > lowsy physics. > > > > I think the word is "lousy" meaning "infested with lice". Appropriate ? > >Yep that too. :-) well maybe no lice, but it;s not great. Lice, maybe no

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] Why not use FS2002 aircraft files?

2002-01-05 Thread Ralph Jones
At 04:58 PM 1/5/2002 +0100, Erik Hofman wrote: >throttle1000 wrote: > > >>Any gauges '.gau' files are normally copied into the 'FS2002/gauges' folder. >>But always make sure you follow the installation instructions given with >>your >>panel. >> >>Comments: >>I just wonder if .gau files cannot be d

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 eit

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 pilo