Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-26 Thread Hans Fugal
On 10/25/07, David Megginson [EMAIL PROTECTED] wrote:
 On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote:

   You can adjust it in flight if you bind some keys to the trim
   properties, but it would be pretty unrealistic -- I doubt that any J3
   Cub has ever had rudder or aileron trim.
 
  Or have a joystick.

 Actually, the J3 does use a stick instead of a yoke -- you can see it
 in the 3D model (it's mounted on the floor, between where your feet
 would be).

Heh, sorry if my quip wasn't clear. I meant that most joysticks these
days have enough buttons and switches that trim is available at the
fingertip. So trimming the J3 Cub is as easy for a joystick user as
trimming a plane that has clickable trim control in the cockpit. For
this reason it might be nice to disable trim (by key or by joystick)
for planes that don't actually have trim. OTOH, some people might not
be so interested in authenticity and get mad if they can't trim the
plane. Thoughts?


-- 
Hans Fugal
Fugal Computing

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[Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
Since I came back to FlightGear a few weeks ago, I've flown the J3 Cub
mainly with the mouse (for short breaks from work), so I hadn't
noticed how badly out of trim the plane has been flying.  I've just
checked in changes to fix the (non-adjustable) rudder and aileron trim
to get rid of the strong roll+skid tendency in level cruise.  Note
that the plane will still pull to the left at a high angle of attack
(e.g. takeoff or steep climb), as it should.

For those of you who like this model, it should be a bit less annoying
to fly with a joystick or yoke now.


All the best,


David

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Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread Hans Fugal
Thanks! You mention the nonadjustable rudder and aileron trim - is
that nonadjustable in theory only or does flightgear also enforce
this? If not, can it be made to? It wasn't clear from the j3cub.xml
file.

On 10/25/07, David Megginson [EMAIL PROTECTED] wrote:
 Since I came back to FlightGear a few weeks ago, I've flown the J3 Cub
 mainly with the mouse (for short breaks from work), so I hadn't
 noticed how badly out of trim the plane has been flying.  I've just
 checked in changes to fix the (non-adjustable) rudder and aileron trim
 to get rid of the strong roll+skid tendency in level cruise.  Note
 that the plane will still pull to the left at a high angle of attack
 (e.g. takeoff or steep climb), as it should.

 For those of you who like this model, it should be a bit less annoying
 to fly with a joystick or yoke now.


 All the best,


 David

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-- 
Hans Fugal
Fugal Computing

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Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote:

 Thanks! You mention the nonadjustable rudder and aileron trim - is
 that nonadjustable in theory only or does flightgear also enforce
 this? If not, can it be made to? It wasn't clear from the j3cub.xml
 file.

You can adjust it in flight if you bind some keys to the trim
properties, but it would be pretty unrealistic -- I doubt that any J3
Cub has ever had rudder or aileron trim.


All the best,


David

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Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread Hans Fugal
On 10/25/07, David Megginson [EMAIL PROTECTED] wrote:
 On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote:

  Thanks! You mention the nonadjustable rudder and aileron trim - is
  that nonadjustable in theory only or does flightgear also enforce
  this? If not, can it be made to? It wasn't clear from the j3cub.xml
  file.

 You can adjust it in flight if you bind some keys to the trim
 properties, but it would be pretty unrealistic -- I doubt that any J3
 Cub has ever had rudder or aileron trim.

Or have a joystick.


-- 
Hans Fugal
Fugal Computing

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Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote:

  You can adjust it in flight if you bind some keys to the trim
  properties, but it would be pretty unrealistic -- I doubt that any J3
  Cub has ever had rudder or aileron trim.

 Or have a joystick.

Actually, the J3 does use a stick instead of a yoke -- you can see it
in the 3D model (it's mounted on the floor, between where your feet
would be).


All the best,


David

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