Discussion:
hstab not mirrored
HB-GRAL
2009-12-15 14:14:33 UTC
Permalink
Can someone tell me a solution/an other example/a hint how I can
integrate a "not mirrored" hstab into FDM configuration like my as332
has one? I see that hstab and mstab are always mirrored (?) and I can
not flip a vstab to y-axis (?).

Thanks for your answer - Yves
leee
2009-12-15 17:15:12 UTC
Permalink
Post by HB-GRAL
Can someone tell me a solution/an other example/a hint how I can
integrate a "not mirrored" hstab into FDM configuration like my
as332 has one? I see that hstab and mstab are always mirrored (?)
and I can not flip a vstab to y-axis (?).
Thanks for your answer - Yves
You should indeed use a vstab element, but specify a dihedral of 0
(or 180) instead of the default dihedral of 90.
'The default dihedral, if unspecified, is 90 degrees instead of
zero. But all parameters are equally settable, so there's no
requirement that this object be "vertical" at all.'

LeeE
HB-GRAL
2009-12-15 18:03:01 UTC
Permalink
Post by leee
'The default dihedral, if unspecified, is 90 degrees instead of
zero. But all parameters are equally settable, so there's no
requirement that this object be "vertical" at all.'
Yes - thank you leeE. As I wrote M. I did not understand or read
correctly this part of the readme.yasim. I changed to a vstab with
dihedral="0" now and it works perfect. I also use the python script of
M. http://www.flightgear.org/forums/viewtopic.php?f=4&t=6520 to
visualize and verify the progress of my new FDM configuration (avaiable
at gitorious.org/as332).

Using the words of M. I prepared a "flying, folded umbrella" ;-) with my
former as332 configuration - now it becomes a helicopter. Thanks - Y.
Heiko Schulz
2009-12-15 18:20:40 UTC
Permalink
Hi,
Post by leee
Post by leee
'The default dihedral, if unspecified, is 90 degrees
instead of
Post by leee
zero.  But all parameters are equally settable,
so there's no
Post by leee
requirement that this object be "vertical" at all.'
Yes - thank you leeE. As I wrote M. I did not understand or
read
correctly this part of the readme.yasim. I changed to a
vstab with
dihedral="0" now and it works perfect. I also use the
python script of
M. http://www.flightgear.org/forums/viewtopic.php?f=4&t=6520
to
visualize and verify the progress of my new FDM
configuration (avaiable
at gitorious.org/as332).
Using the words of M. I prepared a "flying, folded
umbrella" ;-) with my
former as332 configuration - now it becomes a helicopter.
Thanks - Y.
Take a look on other YASim models - they will look even more funny!
But this tool is really great - it helps so much!

HHS

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