On Sat, 2002-02-16 at 12:39, Martin van Beilen wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> 
> Hello list,
> 
> I have been playing around with the wind some more, and it seems
> that JSBSim doesn't only have the up/down winds inverted, but the
> north and east winds as well.
> 
> I think I am beginning to understand what the source of the
> confusion is. As most of you know, weather reports specify the
> winds as a _from_ heading. However, in simulated space I tend to
> think of wind as a vector, i.e. a _to_ heading. Apparently, two
> out of three FDM's agree with my point of view. So what is the
> consensus on this one? To or from?

>From is the accepted convention in aviation, hopefully that's what
JSBSim treats as positive.  I'll attempt to verify later.

> 
> "Which way? Up or down?"    -- Pit of Hands, Labyrinth
> 
> I also found an interesting glitch with YASim: the airspeed
> indicator displays the ground speed. I thought I was going to
> stall, but didn't. :)
> 
> 
> PS: I'll release the script when I have cleaned it up a bit.
> 
> - --
> Regards,          "I RADIS, do you?"
> =Martin=        http://www.iradis.org/
> 
> PGP:  FE87448B  DDF8 677C 9244 D119 4FE0  AE3A 37CF 3458 FE87 448B
> 
> 
> From: Martin van Beilen <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Wind confusion.
> X-S-Issue: [EMAIL PROTECTED] 2002/02/16 21:35:45 
>64d661e8ba318c82a1a7fabf7d622096
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.0.6 (GNU/Linux)
> 
> iEYEARECAAYFAjxuwqsACgkQN880WP6HRIs+0gCfbjJCziEEflJAl0SZsBjJkyuB
> plkAoKvEnFBeQRP3Y96qiaDmxOC2MNLz
> =QfRt
> -----END PGP SIGNATURE-----
> 
> _______________________________________________
> Flightgear-devel mailing list
> [EMAIL PROTECTED]
> http://mail.flightgear.org/mailman/listinfo/flightgear-devel
> 
-- 
Tony Peden
[EMAIL PROTECTED]
We all know Linux is great ... it does infinite loops in 5 seconds. 
-- attributed to Linus Torvalds

_______________________________________________
Flightgear-devel mailing list
[EMAIL PROTECTED]
http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Reply via email to