Dave Martin wrote

> On Monday 17 Jan 2005 15:31, Martin Spott wrote:
> > Dave Martin wrote:
> > > http://www.airshowphotography.com/videos/videos2.html
> >
> > Nice, a 45 degree turn just one wing-span AGL  :-)
> >
> > Martin.
> 
> I've been playing with the FDM and changing the line in the yasim file:
> 
>  <flap1 start="0.75" end="0.95" lift="1.15" drag="1.3"/>
> 
> to
> 
>  <flap1 start="0.75" end="0.95" lift="2.0" drag="1.3"/>
> 
> seems to give a realistic response at low speed.
> 
> Just changing the lift factor of the aileron makes the detail in the
> videos
> flyable and doesn't seem to give any unrealistic behavior at full
> deflection
> etc (50% deflection seems about the same as 100% at low speeds).
> 
> If anyone else would like to try her out with that lift factor change we
> can
> compare notes :-)
> 

The AN-225 is Lee Elliot's pet, but remember that air-shows are very often
done with minimum fuel and no load. Heuristically, a lift factor of 2.0 is
perhaps too high for a plain aileron. 1.2 - 1.5 would be normal, and with
drag to match. But I agree that as it is the aircraft seems on the sluggish
side.

Regards,

Vivian


   



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