On Tuesday 18 January 2005 22:40, Dave Martin wrote:
> On Tuesday 18 Jan 2005 22:07, Lee Elliott wrote:
> > By all means have a go at tweaking any of the a/c I've
> > done:)
> >
> > Be aware that flight testing is a very time consuming
> > process though;)
> >
> > The point about the low fuel load for displays is pretty
> > important - with a very low proportion of fuel on board the
> > TOW is going to be around 700,000 lbs but the total thrust
> > available i still going to be around 300,000 lbs - that's a
> > pretty good thrust to weight ratio.  On that other hand, at
> > MTOW the AN-225 can't even taxi i.e. turn on the ground.
> >
> > In the video it looks like it's getting roll rates of about
> > 20-30 deg/sec - I'll have a look into it myself a bit later.
> >
> > One thing that's just occurred to me is that I'd expect the
> > roll rate to be higher at low TOWs because there's less mass
> > to move.
> >
> > Has anyone any idea of what the minimum required roll rate
> > would be for something like this?
> >
> > Another important factor with the AN-225 in the low speed
> > regime are the slats but they don't seem to produce the
> > pitch-up I'd expect.  Dunno...
> >
> > LeeE
>
> I've been trying to get the aircraft to do the display detail
> with the outer tanks empty and light fuel load on the inners.

The fuel tank arrangement is currently very primitive - just five 
equally sized tanks.  Try it with just the fuselage (last) tank.

>
> Does the FDM accurately model roll inertia when the outer
> tanks are full?

I don't know but I'd be surprised if it didn't.

>
> Fantastic model btw :-)

Thank you.  It could really do with some panels and the u/c is 
pretty basic.

>
> Dave Martin


LeeE

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