Andy Ross said:
> Jim Wilson wrote:
> > But those numbers you gave me seem to be engine RPM numbers. Sorry
> > for the confusion. The gear ratio is 0.479 and the merlin max rpm
> > is 3000 rpm.
>
> Ah, I get it. Sorry for the confusion. :)
>
> I guess the gauge in the cockpit shows engine speed, but the YASim
> file wants propeller RPMs in the propeller tag, so the proper range
> would be ~766-1437 or so.
>
Now I'm finding that we're seeking the engine rpm instead of the prop-rpm.
I've looked a bit at the code, but the answer hasn't jumped out at me. I see
a few multiplies, but is the gear-ratio in fact being applied properly when
evaluating the target rpm?
The prop config follows.
Best,
Jim
<propeller x="-0.75" y="0" z="0"
radius="1.75"
mass="1690" moment="94.5"
cruise-alt="21400" cruise-power="1470"
gear-ratio="0.479"
cruise-speed="380" cruise-rpm="1200"
min-rpm="766" max-rpm="1437" >
<actionpt x="-1.25" y="0" z="0"/>
<control-input axis="/controls/engines/engine[0]/propeller-pitch"
control="ADVANCE" />
</propeller>
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