Re: [Flightgear-devel] IRL Solo flight and Mainair Flash 2 Alpha microlight

2007-03-12 Thread Stuart Buchanan

--- Georg Vollnhals wrote:
 Hi Stuart,
 first congratulations for your first solo flight. This is a very
 interesting report, I liked to read it :-)

Thank you. I was still grinning to myself days later.

snip

  THe FDM still requires some work, but should give an idea of what
 flying a
  flexwing is like. I'll write some pilot notes for it in the future.
 

 This would be nice, I was just guessing how the landing speed could be
 and I think I was too fast.
 And to learn to handle it similar to the real world flying (as far as
 possible in a sim) is something many of us want to do.

The approach speed for a glide approach is 55 - 60mph - really a dive. The
current biggest inaccuracy in the flight model is that there isn't enough
drag (particularly at high speed), so it floats down the runway far too
much. The real aircraft bleeds off speed very fast. I've hacked the
drag_due_to_mach, but I suspect that is the wrong answer.

If anyone has JSBSim experience and can suggest improvements, I'd be very
pleased to hear them.

 BTW: do you know that it  is only usable with FG-OSG?
 With FG-PLIB (latest CVS) I get these errors:
 
 WARNING: ac_to_gl: Can't parse this MATERIAL:
 WARNING: ac_to_gl: MATERIAL Pink Fairing rgb 1 0.27451 0.65098 amb 0.5
 0.5 0.5 emis 0 0 0 spec 0.601071 0.601071 0.601071 shi 32 trans 0

I will investigate. I wonder if the cause is the whitespace in the
material name.

-Stuart





___ 
New Yahoo! Mail is the ultimate force in competitive emailing. Find out more at 
the Yahoo! Mail Championships. Plus: play games and win prizes. 
http://uk.rd.yahoo.com/evt=44106/*http://mail.yahoo.net/uk 

-
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT  business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV
___
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel


Re: [Flightgear-devel] IRL Solo flight and Mainair Flash 2 Alpha microlight

2007-03-12 Thread Stewart Andreason
Hi Stuart,
Congratulations!

It is indeed the whitespace. I've been dealing with that too.
Just change it to an underscore, and it will be fine.

Stewart

Stuart Buchanan wrote:
 BTW: do you know that it  is only usable with FG-OSG?
 With FG-PLIB (latest CVS) I get these errors:

 WARNING: ac_to_gl: Can't parse this MATERIAL:
 WARNING: ac_to_gl: MATERIAL Pink Fairing rgb 1 0.27451 0.65098 amb 0.5
 0.5 0.5 emis 0 0 0 spec 0.601071 0.601071 0.601071 shi 32 trans 0
 
 I will investigate. I wonder if the cause is the whitespace in the
 material name.


-
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT  business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV
___
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel


Re: [Flightgear-devel] IRL Solo flight and Mainair Flash 2 Alpha microlight

2007-03-12 Thread Detlef Faber
Am Montag, den 12.03.2007, 11:48 + schrieb Stuart Buchanan:
 --- Georg Vollnhals wrote:
  Hi Stuart,
  first congratulations for your first solo flight. This is a very
  interesting report, I liked to read it :-)
 
 Thank you. I was still grinning to myself days later.
 
... and you will YEARS later. I do too and my solo (for aerodynamically
controled microlight) is nearly ten years ago. 

 snip
 
   THe FDM still requires some work, but should give an idea of what
  flying a
   flexwing is like. I'll write some pilot notes for it in the future.
  
 
  This would be nice, I was just guessing how the landing speed could be
  and I think I was too fast.
  And to learn to handle it similar to the real world flying (as far as
  possible in a sim) is something many of us want to do.
 
 The approach speed for a glide approach is 55 - 60mph - really a dive. The
 current biggest inaccuracy in the flight model is that there isn't enough
 drag (particularly at high speed), so it floats down the runway far too
 much. The real aircraft bleeds off speed very fast. I've hacked the
 drag_due_to_mach, but I suspect that is the wrong answer.
 
 If anyone has JSBSim experience and can suggest improvements, I'd be very
 pleased to hear them.
 
I'd suggest that the control input should be reversed, because that is
the biggest problem a fixed wing pilot encounters when transiting to
this kind of flying. Pushing the stick to gain height is very unusual
to us.

A very pleasant aircraft!

Greetings

Detlef




-
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT  business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV
___
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel


Re: [Flightgear-devel] IRL Solo flight and Mainair Flash 2 Alpha microlight

2007-03-11 Thread Georg Vollnhals
Stuart Buchanan schrieb:
 Hi All,

 On Wednesday evening I flew solo in my microlight for the first time. In
 the tradition of FG RL flying posts, here's a quick description.


   
Hi Stuart,
first congratulations for your first solo flight. This is a very
interesting report, I liked to read it :-)
 I've also been working on a FG model of my microlight, a Mainair Flash 2
 Alpha flexwing.

 It's available for download from

 http://www.nanjika.co.uk/flightgear/flash2a.tar.gz
   
Thank you very much for this nice model which closes the gap we have
(had) for micro-/ultralight a/c in FlightGear.
It is a joy for scenery exploration, slow and stable to fly.
 The model is fairly accurate - though missing an EGT gauge at the moment.
 THe FDM still requires some work, but should give an idea of what flying a
 flexwing is like. I'll write some pilot notes for it in the future.

   
This would be nice, I was just guessing how the landing speed could be
and I think I was too fast.
And to learn to handle it similar to the real world flying (as far as
possible in a sim) is something many of us want to do.

Georg EDDW

BTW: do you know that it  is only usable with FG-OSG?
With FG-PLIB (latest CVS) I get these errors:

WARNING: ac_to_gl: Can't parse this MATERIAL:
WARNING: ac_to_gl: MATERIAL Pink Fairing rgb 1 0.27451 0.65098 amb 0.5
0.5 0.5 emis 0 0 0 spec 0.601071 0.601071 0.601071 shi 32 trans 0
 


-
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT  business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV
___
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel