Re: [Jsbsim-devel] turbine rotation on spawning

[GNU <uri...@gm...>]

This ground trim initialization does not consistently work in Outerra
unfortunately. This is no fault of either OT or JSB, but it has not been
properly implemented in the engine.

On Sat, Nov 14, 2020 at 1:24 PM dave <dav...@co...> wrote:

> That depends on how JSBSim is incorporated into Outerra.  The
> initialization process is described on page 80 of the reference manual:
> http://jsbsim.sourceforge.net/JSBSimReferenceManual.pdf
>
> Note the line:  FDMExec->DoTrim(mode);
>
> For ground trim set mode=1
>
>
> Note:  The documentation in the source code conflicts, but I believe 1 is
> the correct value for ground trimming.
>
> (FGInitialCondition.h lines 168,169 conflicts with FGFDMExec.h lines
> 432-440)
>
>
>
> Dave
>
>
> On 11/14/20 2:32 AM, Simon Julie Morley via Jsbsim-devel wrote:
>
> how do I specify ground trim ?
>
> On Sat, 14 Nov 2020 at 00:51, David Culp <dp...@gm...> wrote:
>
>> Make sure you use ground trim rather than in-air trim.  I'm assuming you
>> start off on the ground.
>>
>> Dave
>>
>> On Fri, Nov 13, 2020, 2:38 PM Simon Julie Morley via Jsbsim-devel <
>> jsb...@li...> wrote:
>>
>>> When spawning in Outerra the turbine is rotating.
>>>
>>> We can initialise with the fuel cutoff to 1 but this seems to be after
>>> the fact that the engine was running,so it's on the slow down, from 6000
>>> rpms that's quite a long slow down
>>>
>>> Is there a way to spawn without the engine having ever started ?
>>>
>>> regards
>>>
>>> Simon
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>>> _______________________________________________
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>>> http://www.JSBSim.org
>>> _______________________________________________
>>>
>>> _______________________________________________
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>> _______________________________________________
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>> http://www.JSBSim.org
>> _______________________________________________
>>
>>
>
> _______________________________________________
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> _______________________________________________
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> _______________________________________________
>
>
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>
>