Re: [Flightgear-devel] ..OT: 11'oclock high...

2004-09-09 Thread Arnt Karlsen
On Wed, 8 Sep 2004 15:42:08 -0500, David wrote in message 
[EMAIL PROTECTED]:

  ...and at what clip does thrown 737 tires clip wings?  ;-)
 
 Somewhere above 196 knots ground speed.

..thanks, Dave C, :-)  that leaves the initial question 
for Chris; 11'oclock high, who's smoking?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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RE: [Flightgear-devel] Runway distance remaining signs +placementscript done.

2004-09-09 Thread Giles Robertson
Would adding in ILS/glidescope aerials (where they exist; that's easily
checkable off Robin's database) count as too much clutter?

Giles Robertson

-Original Message-
From: Gene Buckle [mailto:[EMAIL PROTECTED] 
Sent: 08 September 2004 22:31
To: FlightGear developers discussions
Subject: Re: [Flightgear-devel] Runway distance remaining signs
+placementscript done.

 life, we should aim to include them in FlightGear.  First, however, we
 need to start toning things down a bit.



I take it this means no FOD sweeping gnomes?

Drat.


g.



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Re: [Flightgear-devel] Runway distance remaining signs +placementscript done.

2004-09-09 Thread David Megginson
On Thu, 9 Sep 2004 08:14:33 +0100, Giles Robertson
[EMAIL PROTECTED] wrote:

 Would adding in ILS/glidescope aerials (where they exist; that's easily
 checkable off Robin's database) count as too much clutter?

On the contrary, that would add realism to the airports.  The risk
right now is overequipping the airports with stuff so that even the
smallest paved strip looks like a mini KLAX.

Small airports typically have one or two runways, sometimes paved. 
When the runways are under 4,000 ft (or so), there is only one
windsock in the middle of each runway -- in fact, the airports often
contrive to have only one windsock shared by all the runways.  There
might be a rotating beacon, but it will not be on a fancy tower right
beside the runway.  Taxiway signs are a toss-up -- sometimes you'll
see them (especially if the airport has instrument approaches) and
sometimes you won't.  There will almost always be some hangars beside
the apron and some kind of FBO building, often with fuel pumps or fuel
trucks parked beside it and an antenna on top or beside it for the
UNICOM.  If there is scheduled air carrier service, there will
generally be a small public temrinal building beside the FBO (no
jetways, of course).  The runway markings are often simple and faded,
and the taxiway markings are almost non-existant, especially at
VFR-only airports.

Busier airports (a small minority) have control towers, but many do
not, even those with commercial commuter air service.  Once there is a
tower, you can count on taxiway signs (i.e. A, B, etc.).

One thing we could add, at least for my part of the world, are
animated groundhogs all over the airport -- also flocks of birds near
the threshold.  I also heard a story recently of cows eating the
fabric covering of a tube-and-rag airplane.


All the best,


David

-- 
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Re: [Flightgear-devel] Runway distance remaining signs +placementscript done.

2004-09-09 Thread Arnt Karlsen
On Thu, 9 Sep 2004 06:40:53 -0400, David wrote in message 
[EMAIL PROTECTED]:

 One thing we could add, at least for my part of the world, are
 animated groundhogs all over the airport -- also flocks of birds near
 the threshold.  I also heard a story recently of cows eating the
 fabric covering of a tube-and-rag airplane.

...that kinda realism might haven an impact on both the 3d model 
and the fdm's. ;-)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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[Flightgear-devel] change view

2004-09-09 Thread Benno Rieger
I'm searching for this point in Flightgear source code where  my 
current  position in the scenery will be calculatet new , after hit 'v'.

Thanks
Ben
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[Flightgear-devel] Re: Runway distance remainingsigns+placementscript done.

2004-09-09 Thread Matthew Law
It's the same with forced landings.  Making an approach into a field of
sheep is usually safe (my instructor has done it twice!).  Making an approach 
into cows probably isn't.  They're not guaranteed to move out of the way
and in a small aircraft, hitting a cow would be bad :-)

A while ago, a girl skydiving at my dropzone landed off the airfield in
a field of sheep.  It was the middle of the lambing season and when she
stooped down to pick up here canopy she was butted in the chest and
ended up in intensive care with a badly broken sternum.

All the best,

Matthew.

* Giles Robertson [EMAIL PROTECTED] [2004-09-09 14:00]:
 I'm aware that when ballooning, it is always preferable to land in
 sheep, rather than cows; cows are intensely curious, and so, although
 when the balloon lands, they scatter, after the envelope is deflated,
 they will approach and start trampling on it, and licking it with
 sandpaper-like tongues. The sheep just stay well away. :)
 
 -Original Message-
 From: Arnt Karlsen [mailto:[EMAIL PROTECTED] 
 Sent: 09 September 2004 12:22
 To: FlightGear developers discussions
 Subject: Re: [Flightgear-devel] Runway distance
 remainingsigns+placementscript done.
 
 On Thu, 9 Sep 2004 06:40:53 -0400, David wrote in message 
 [EMAIL PROTECTED]:
 
  One thing we could add, at least for my part of the world, are
  animated groundhogs all over the airport -- also flocks of birds near
  the threshold.  I also heard a story recently of cows eating the
  fabric covering of a tube-and-rag airplane.
 
 ...that kinda realism might haven an impact on both the 3d model 
 and the fdm's. ;-)
 
 -- 
 ..med vennlig hilsen = with Kind Regards from Arnt... ;-)
 ...with a number of polar bear hunters in his ancestry...
   Scenarios always come in sets of three: 
   best case, worst case, and just in case.
 
 
 
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Re: [Flightgear-devel] Re: Runway distance remainingsigns+placementscript done.

2004-09-09 Thread Gunnstein Lye
You could simulate that too, if you have a strong force feedback joystick  ;-)
But this is a level of realism I can accept to live without.

On Thursday 09 September 2004 16:15, Matthew Law wrote:
 It's the same with forced landings.  Making an approach into a field of
 sheep is usually safe (my instructor has done it twice!).  Making an
 approach into cows probably isn't.  They're not guaranteed to move out of
 the way and in a small aircraft, hitting a cow would be bad :-)

 A while ago, a girl skydiving at my dropzone landed off the airfield in
 a field of sheep.  It was the middle of the lambing season and when she
 stooped down to pick up here canopy she was butted in the chest and
 ended up in intensive care with a badly broken sternum.

 All the best,

 Matthew.

 * Giles Robertson [EMAIL PROTECTED] [2004-09-09 14:00]:
  I'm aware that when ballooning, it is always preferable to land in
  sheep, rather than cows; cows are intensely curious, and so, although
  when the balloon lands, they scatter, after the envelope is deflated,
  they will approach and start trampling on it, and licking it with
  sandpaper-like tongues. The sheep just stay well away. :)
 
  -Original Message-
  From: Arnt Karlsen [mailto:[EMAIL PROTECTED]
  Sent: 09 September 2004 12:22
  To: FlightGear developers discussions
  Subject: Re: [Flightgear-devel] Runway distance
  remainingsigns+placementscript done.
 
  On Thu, 9 Sep 2004 06:40:53 -0400, David wrote in message
 
  [EMAIL PROTECTED]:
   One thing we could add, at least for my part of the world, are
   animated groundhogs all over the airport -- also flocks of birds near
   the threshold.  I also heard a story recently of cows eating the
   fabric covering of a tube-and-rag airplane.
 
  ...that kinda realism might haven an impact on both the 3d model
  and the fdm's. ;-)
 
  --
  ..med vennlig hilsen = with Kind Regards from Arnt... ;-)
  ...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
 
 
 
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-- 
best regards,
Gunnstein Lye
Systems engineer
[EMAIL PROTECTED] | eZ systems | ez.no

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[Flightgear-devel] Re: Runway distance remaining signs + placement

2004-09-09 Thread Alex Perry
From: David Megginson [EMAIL PROTECTED]
 On Wed, 08 Sep 2004 21:35:30 +0200, Erik Hofman [EMAIL PROTECTED] wrote:
  I do think so, don't we.
  I mean, this is an essential part of airfields, but don't know enough
  about this subject to assert that the numbers are always right this way.
  There's also the danger of overengineering our airfields

Yeah.  Most of the airports I fly into have them, but then they also have
instrument approaches and runways longer than 4kft.  I'm tempted to say
that we add them onto any runway longer than 5kft or having a LOC/ILS.

Basically, if it is obvious (to the pilot) how much runway remains when
at the midpoint of the runway for the minimum visual conditions ...
I suspect that the signage is not installed because it would be pointless!

class G airport can be clear of clouds ... but signage mostly missing.
class E airport requires 1 mile visual ... need signage at 10kft rwy.
class D airport can do SVFR and instrument ops ... signage at 3kft rwy.


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Re: [Flightgear-devel] Runway distance remaining signs + placement script done.

2004-09-09 Thread David Megginson
On Thu, 9 Sep 2004 09:43:38 -0400, Chris Metzler [EMAIL PROTECTED] wrote:

 } FAA Response:  The FAA disagrees.  As noted in the proposal (65 FR
 } 38641), this rulemaking intentionally does not address distance
 } remaining signs.  This matter was referred to the ARAC.  At its
 } meeting on June 21, 2001, the ARAC accepted the working group's
 } majority report on distance remaining signs.  The majority report
 } recommended that no regulation change was needed to require distance
 } remaining signs as the vast majority of airport operators have already
 } installed such signs on their air carrier runways.
 
 So this seems to indicate that they're not required, but are present
 on the vast majority of runways used by air carriers (which is,
 of course, a small fraction of all the runways in the country).

If I understand U.S. terminology correctly, air carriers would
include commuter airlines with scheduled service, so that would take
in an awful lot of small, uncontrolled airports as well (such as
Massena and Plattsburgh).

Can any of the U.S. pilots on the list comment on this point?  Again,
I don't remember seeing these signs at U.S. airports, but then, I do
most of my flying in Canada.

As for figuring out how much runway the plane used in landing, try
noting what taxiway he or she turns off at and then checking the
diagrams after -- it's not perfect (the plane might taxi a bit before
the next turnoff), but it will be helpful all the same.


All the best,


David

-- 
http://www.megginson.com/

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[Flightgear-devel] Re: FlightGear logged its first real flight !

2004-09-09 Thread Matthew Churchill
Olivier,

This sounds great, I am currently starting on a flight recorder for FG that records 
real flights for playback.
Would love to try your tiny program and modified fdm is it sharable ?
Actually very keen to see the results, as if your results look good I might change or 
even drop my current idea. I've got a Sharp Zaurus linux pda with a Haicom gps card, 
and have already recorded a couple of flights, so already have the equipment needed 
for your method.

One bit I didn't quite understand was can you feed flights you have already recorded 
through this program ? It sounds like this is what it does.

Mat Churchill


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[Flightgear-devel] Re: Runway distance remaining signs

2004-09-09 Thread Alex Perry
 On Wed, 8 Sep 2004 22:01:29 -0400
 David Megginson [EMAIL PROTECTED] wrote:
  On Wed, 8 Sep 2004 18:35:07 -0400, Chris Metzler
  [EMAIL PROTECTED] wrote:
  
  5.  I don't know anything about how these signs are handled outside
  the U.S.  If you do, let me know.
  
  I'd be interested in knowing more about how these signs are handled
  inside the US.  I've flown my Warrior to several US airports --
  Massena (KMSS), Caldwell (KCDW), Philadelphia (KPHL), Boston/Norwood
  (KOWD), Republic (KFRG), and Plattsburgh (KPLB) -- and I do not
  remember ever seeing signs like you describe, though I might have
  missed them in the clutter at KPHL.  I suspect that these might be a
  special case for a tiny handful of airports, not a common feature.

David, I have yet to notice a U.S. runway used for commercial service
that does not have them.  However, because of their coloring and 
placement, they tend to be easily overlooked unless you _want_ them.
That is, of course, a good thing ... avoid unnecessary distractions.

Oh, and I noticed their presence in Manchester and Basel-Mulhouse too.
There may be an ICAO rule for airports with international service
that was the original impetus for sign installation on major rwys ...

From: Chris Metzler [EMAIL PROTECTED]
 I'd be stunned if they weren't at KPHL.  I've never flown into/out of
 there, so I cannot say. 

I have and would have remembered if I had noticed them being missing.
Of course, that doesn't mean that they really _were_ there, sigh.

 And, sadly, I'm only hoping to be a pilot
 in the future, so I definitely can't speak to small airports --
 which, of course, are most of the airports out there.  But they're
 a fixture at larger airports here; when I land in an airliner, I
 always look out the window for these signs to see how much of the
 runway the pilot uses.

Yes, but that isn't strictly fair on the pilots.  Just because they
have to plan with balanced runway technique in mind does not mean
that they _need_ as much runway as you observe being used.
The takeoff profile at most airports is specified by noise abatement.
Multiengine only have to stay in ground effect until blue line speed.
Also, I often stay in ground effect to at least Vy for performance
reasons ... even if I'll subsequently use a Vx climb to the pattern.


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[Flightgear-devel] Inspiration for those working on the ballistic sub-model stuff? ; )

2004-09-09 Thread Lee Elliott
I saw this on the CBFS (Classic British Flight Sim) Forum.

http://teamhouse.tni.net/Misc/airborne/mishaps.htm

Watch out especially for the vehicle that was put on it's crate with the 
parking brake off:)

LeeE

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[Flightgear-devel] Quick VFR Chart Online

2004-09-09 Thread David Megginson
Here's a nice way to get a quick (but small) scrollable VFR chart for
an airport:

http://map.aeroplanner.com/mapping/chart/eaachart.cfm

For the RESTafarians of the world, it is also possible to use GET so
that you can provide direct links to airports.  Here's KSFO on a
1:500,000 sectional:

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=Sectionaltyp=APTtxt=KSFO

and here it is on a 1:1,000,000 world aeronautical chart:

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=WACtyp=APTtxt=KSFO

Here's my home airport, CYOW, on sectional and WAC:

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=sectionaltyp=APTtxt=CYOW

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=WACtyp=APTtxt=CYOW

Here's London/Heathrow on a WAC (no sectionals outside the US and
Canada/Mexico near the US border);

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=WACtyp=APTtxt=EGLL

Here's Paris/Charles-de-Gaulle:

http://map.aeroplanner.com/mapping/chart/eaachart.cfm?chart=WACtyp=APTtxt=LFPG

I tried Tokyo/Narita, but only the default Aeroplanner vector map came
up, so the coverage isn't world-wide.


All the best,


David

--
http://www.megginson.com/

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Re: [Flightgear-devel] Re: FlightGear logged its first real flight !

2004-09-09 Thread Olivier Soussiel
 Would love to try your tiny program and modified fdm is it sharable ?

Yes, just tel me how to send you the source code.

Actually, I have two tiny programs...

One, named GPS Data Recorder, that reads and records NMEA data from a
serial port (RS232), computes the estimate of A/C attitude and sends the
approriate data to FG FDM for real time display.

One, named GPS Data Emulator, that reads NMEA sentences recorded into
hereabove file, computes the estimate of A/C attitude and sends the
approriate data to FG FDM for playback display.

 Actually very keen to see the results,

Well I'm still looking for free space on someone server to put my video on.

I've got a Sharp Zaurus linux pda with a Haicom gps card,

My tiny programs works well under Windows. I really don't know if they are
easy to modify for Linux. (I have so much difficulty to make them work under
windows, so the linux compatibility is an other story...)

 One bit I didn't quite understand was can you feed flights you have
already recorded through this program ?

Yes.


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Re: [Flightgear-devel] Runway distance remaining signs+placementscript done.

2004-09-09 Thread David Culp
  One thing we could add, at least for my part of the world, are
  animated groundhogs all over the airport -- also flocks of birds near
  the threshold.  I also heard a story recently of cows eating the
  fabric covering of a tube-and-rag airplane.

 Should we use YASim or JSBSim for the bird FDM?


The AIAircraft FDM will do it.  A non-flapping bird, like an orbiting hawk 
will be easy (it's just like the KC-135).  The flapping kind will take some 
animation work.  As for flocking behavior, that's a whole 'nother thing.


Dave
-- 

David Culp
[EMAIL PROTECTED]


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Re: [Flightgear-devel] Runway distance remaining signs+placementscript done.

2004-09-09 Thread Chris Metzler
On Thu, 9 Sep 2004 22:25:02 -0400
Ampere K. Hardraade [EMAIL PROTECTED] wrote:

 Also, why can't we have our own airport database that extends
 Robin's?

Presumably, we can; it's just a big job and nobody's stepped forward
to do it.

It'd certainly be nice to have another layer between Robin's
database and our use of it.  Corrections that fgfs users make
to airports could become available more quickly than they are
by passing them up to Robin and waiting for the next issuance
of his database.  And things like the complete disappearance
of KSQL, the training airport used in some of FlightGear's new
user docs, could be easily caught and corrected for.  But it
could end up being a lot of work.

Also, there *are* occasional updates to Robin's data, and they
seem to be fairly big -- lotsa stuff comes in from the X-Plane
users, I guess.  So one would have to take that new dataset,
and then compare against local changes to the old dataset, and
adjust accordingly.  And how do you deal with cases where we
have local changes to airport X, and airport X has changed in
Robin's latest database, and the two changes disagree?
Anyway.  I think the short answer is that someone'd have to
commit to doing it.

-c

-- 
Chris Metzler   [EMAIL PROTECTED]
(remove snip-me. to email)

As a child I understood how to give; I have forgotten this grace since I
have become civilized. - Chief Luther Standing Bear


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