Melchior FRANZ said:
> * Jim Wilson -- Wednesday 04 August 2004 20:49:
> > Can you post what you have, with the model fixed and the target-offsets
in, etc?
>
> attached
>
> m.
That "looks" fine (at least from pitch and roll angles). It is off a little
bit because the model offsets (in the Mode
* Jon S Berndt -- Wednesday 04 August 2004 23:12:
> On Wed, 4 Aug 2004 23:04:16 +0200
> Melchior FRANZ <[EMAIL PROTECTED]> wrote:
>
> >Good idea. I'll try that. Thanks.
>
> Get some sleep, first !!
Hehe ... OK. It won't be a lot of fun, anyway. I should trace both
origin and CG in lon/lat. Hav
On Wed, 4 Aug 2004 23:04:16 +0200
Melchior FRANZ <[EMAIL PROTECTED]> wrote:
Good idea. I'll try that. Thanks.
Get some sleep, first !!
:-)
Jon
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* Curtis L. Olson -- Wednesday 04 August 2004 22:58:
> Perhaps you could export some of the FDM data (position, orientation,
> etc.) into a text file and graph it. If you approached the problem
> carefully, you should be able to get to the bottom of exactly what is
> going on.
Good idea. I'll
Melchior FRANZ wrote:
* Vivian Meazza -- Wednesday 04 August 2004 22:35:
I think all views are fine, although view 2 is a bit disconcerting or even a
bit disorientating. This seems to be a view-based issue. I'm convinced that
the aircraft is rotating appoximately around it's cofg.
This is *
* Vivian Meazza -- Wednesday 04 August 2004 22:35:
> I think all views are fine, although view 2 is a bit disconcerting or even a
> bit disorientating. This seems to be a view-based issue. I'm convinced that
> the aircraft is rotating appoximately around it's cofg.
This is *not* a view-based issue
> Melchior FRANZ wrote
> Sent: 04 August 2004 19:22
> To: [EMAIL PROTECTED]
> Cc: Maik Justus
> Subject: [Flightgear-devel] Re: yasim + bo105 + vrp + @#%$#@ == argh!
>
>
> * Vivian Meazza -- Wednesday 04 August 2004 19:15:
> > Yes, see what you mean, but I think
* Jim Wilson -- Wednesday 04 August 2004 20:49:
> Can you post what you have, with the model fixed and the target-offsets in, etc?
Was already as attached to my first reply to Curt's message as diff.
I'll send it again privately, just in case. :-)
m.
__
Melchior FRANZ said:
>
> > Did you put the target offset in the right place, in the right file?
>
> I think so, yes. (Well, I hope so, at least. :-)
>
Can you post what you have, with the model fixed and the target-offsets in, etc?
Best,
Jim
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Fl
* Vivian Meazza -- Wednesday 04 August 2004 19:15:
> Yes, see what you mean, but I think we went through all this with fixed wing
> aircraft. But once fully airborne, it's perfect. Weird. Is it trying to
> rotate about a skid?
No, same when airborne, just harder to see. You better use the
"constan
Melchior FRANZ
> Sent: 04 August 2004 16:05
> To: [EMAIL PROTECTED]
> Subject: [Flightgear-devel] Re: yasim + bo105 + vrp + @#%$#@ == argh!
>
>
> * Vivian Meazza -- Wednesday 04 August 2004 16:50:
> > Well, I don't know. I've just flown it using a recent CVS
* Vivian Meazza -- Wednesday 04 August 2004 16:50:
> Well, I don't know. I've just flown it using a recent CVS download. It
> looked really good to me. The point of yaw seemed to be just about at the
> rotor hub.
Yes, the version from CVS *seems* to behave right. But it has the 3d model
placed wro
Melchior FRANZ
> Sent: 04 August 2004 14:49
> To: [EMAIL PROTECTED]
> Subject: [Flightgear-devel] Re: yasim + bo105 + vrp + @#%$#@ == argh!
>
>
> * Jim Wilson -- Wednesday 04 August 2004 15:28:
> > Melchior FRANZ said:
> > The only difference is JSBSim has the
* Curtis L. Olson -- Wednesday 04 August 2004 16:37:
> Could this be a bug in the helicopter specific dynamics of YAsim?
Possibly. It could also be a bug in the bo105 yasim config (one that
isn't obvious to me).
> That is a relatively new addition and wasn't written by Andy. Can you
> reprodu
Melchior FRANZ wrote:
* Curtis L. Olson -- Wednesday 04 August 2004 13:58:
[...]
Where you might be getting confused is with the view system. If (0,0,0)
is the nose, then all the external views will center around the nose.
[...]
You wrote pretty much the same as Jim, but you obviously did
* Jim Wilson -- Wednesday 04 August 2004 15:28:
> Melchior FRANZ said:
> The only difference is JSBSim has the extra feature of specifying the VRP
> which is an offset from where 0,0,0 ends up being specified. It saved
> changing all the entries for existing flight model configs that had 0,0,0 at
Jon Berndt said:
> Curt quipped:
>
> > If you want to use the same 3d model for multiple FDM configurations
> > which choose different reference points, then that makes life a lot
> > harder. I think that is what the JSBsim VRP is for.
>
> I had to laugh when reading these two sentences togeth
Melchior FRANZ said:
> I know. But still, YASim's origin (the nose) is the (unchangeable) VRP, or what
> JSBSim calls "VRP", right? And the 3D model would also have to be moved such
> that the nose is at YASim's 0/0/0, too. But the bo105 does only turn around the
> CG if the main *rotor axis* wro
* Curtis L. Olson -- Wednesday 04 August 2004 13:58:
[...]
> Where you might be getting confused is with the view system. If (0,0,0)
> is the nose, then all the external views will center around the nose.
[...]
You wrote pretty much the same as Jim, but you obviously didn't read my
response to h
Curt quipped:
> If you want to use the same 3d model for multiple FDM configurations
> which choose different reference points, then that makes life a lot
> harder. I think that is what the JSBsim VRP is for.
I had to laugh when reading these two sentences together. It sort of read ( to me )
l
Curtis L. Olson wrote:
Melchior,
This stuff can get confusing, and I hate to reopen a big can of worms,
and I didn't really pay attention to the JSBsim VRP discussion a while
back.
With YAsim you can pick any point as the (0,0,0) point and reference all
your dimensions and positions from there.
Melchior,
This stuff can get confusing, and I hate to reopen a big can of worms,
and I didn't really pay attention to the JSBsim VRP discussion a while back.
With YAsim you can pick any point as the (0,0,0) point and reference all
your dimensions and positions from there. YAsim handles this just
* Jim Wilson -- Wednesday 04 August 2004 02:55:
> Melchior FRANZ said:
[...]
> > When I noticed that the skids didn't work correctly, I found this VRP bug.
> > I shifted the model so that the VRP would agree with the YASim origin
> > and changed the view look-at point accordingly. This fixed the sk
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