On 2/5/04 at 2:36 AM David Luff wrote:

>On 2/4/04 at 8:24 PM Curtis L. Olson wrote:
>>
>>Also, speaking of FDM's.  The current JSBSim C172 in cvs seems to have an

>>engine that can break 3000 rpm in level cruise (150-160kts).  That's 
>>clearly way too high for C172.  I'm guessing from the engine rpm's that 
>>this is an engine or prop modeling problem???
>
>It seemed to go up in power after the last JSBSim sync, but I couldn't see
>anything obvious changed.  However, maxHP is set to 160HP in the spec
file,
>but to 200HP in the constructor, so my suspiscion (sp?) is that somehow
the
>160 value isn't getting picked up anymore.
>

This is indeed what is happening.  Changing line 89 in FGPiston.cpp from

MaxHP = 200;

to 

MaxHP = 160;

will cure it as a temporary measure.

I guess someone who knows JSBSim well needs to look at why the config file
value isn't getting picked up anyone.

Cheers - Dave


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