quote:

ORIGINAL: RhyanO

Hello all,

I just finished my UltraSport 40 (kit) last fall, and have spent much of this spring and early summer getting the plane trimmed out, and balanced properly.
I have a couple questions about this airplanes setup, as well as some general questions about some aerobatics maneuvers.

I have my CG set at 4-1/8". It seems to fly fine like this so I haven't moved it further back.
During inverted flight I have to add some down elevator to keep the nose up -- I have to hold in about 1/8 stick of down.
-- What CG setting are you using, and about how much down elevator do you need for inverted flight.

I have been messing with knife edge flight... well trying to anyway When I hold in the rudder to hold altitude the plane pitched significantly to the belly of the plane. This plane is setup with zero degrees incidence on the main wing. I know that I can increase the wing incidence or use a rudder to elevator mix, to mix out the coupling.
Im curious how other UltraSport planes behave in a knife edge flight attitude.

I have been having fun doing some basic aerobatics with this plane. I have been practicing being able to do them precisely and smoothly, and linking them all together to form a routine of sorts.
Here is what I have been working on:
Stall turns
Split S turns
Immelman turns
Cuban 8s
loops
rolls
inverted flight
knife edge
and my new favorite.... from straight and level flight, pull to a vertical climb, as airspeed slows I do a snap roll at the top, then come back down on the same line as the vertical.

What other aerobatics do you do with your UltraSport?

Can anyone tell me how to do a flat spin or an inverted flat spin?
Is an Ultra Sport capable to doing one?
I have seen videos of 3D type planes doing them, but never of a sport plane doing them.

Sorry for the long winded post, but If you get a chance to read through it and have some suggestions, id be happy to hear them.

Thanks,
Ryan


Here is a picture of my plane.