RE: YASim prop discing and turboprop engine

>   I see. The effect we actually would like to demonstrate to 
> the students is that when the airplane flies with power on at 
> the near stall condition, the lost of a single engine at the 
> low altitude is more dangerous, then the lost of both 
> engines, because the single engine lost would result in a 
> single wing stall from which the airplane is very hard to 
> recover. Do you think thrusters approach may help in this situation ?
> 
> If not, do you or anyone else may be know if the effect of 
> the prop flow on lift can be simulated with JSBSim ?
> 
> Oleksiy

Oleksiy,

I don't think anyone has tried this with JSBSim, yet. I've been looking
into this lately, and have been writing an extensive paper on modeling
aircraft with JSBSim. I _believe_ that prop effects on the wing can be
modeled using the newest version of JSBSim-ML (JSBSim Markup Language),
v2.0, due to the inclusion of function specifications. The idea would be
to create both a function for a lift delta due to prop wash for each
engine, and also a function for roll moment delta due to prop wash for
each engine.

It's just an idea, and I haven't considered it fully, but I hope someone
will at some point; I'll probably get around to it sooner or later. If
you want to try that out I can probably make some suggestions later.

Jon


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