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 _______________________________________________ Flightgear-devel mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
