Trimming Help

[John Ferrell]

You may have too much dihedral or worse yet a broken wing.

John Ferrell
http://DixieNC.US

----- Original Message -----
From: "Paul Lawrence" <pwl45 at yahoo.com>
To: <discussion at nsrca.org>
Sent: Monday, March 29, 2004 8:19 AM
Subject: RE: Trimming Help


> The plane is a Tai Ji 60. I may have found an
> incidence
> problem too. I don't really know where the reference
> line is for this model and I am also still learning
> how to check incidence, but if I block up the plane
> and get the wings at 0 degrees and then check the
> stab, it is showing -1 degree of incidence. That seems
> excessive.
>
> I'm flying Intermediate and the yaw really shows up on
> the humpty bump and full roll up on stall turn. When I
> perform the humpty bump, I pull to vertical, 1/2 roll
> right and the plane heads off to the left(belly in).
> On the full roll up, the plane heads off to the right
> after rolling right.
>
> So far, I have received a lot of good advice and have
> several things to try. Thanks.
>
>
>
> >
> > -----Original Message-----
> > From: Paul Lawrence [mailto:pwl45 at yahoo.com]
> > Sent: Sun 3/28/2004 10:33 PM
> > To: discussion at nsrca.org
> > Cc:
> > Subject: Trimming Help
> >
> >
> > After getting soundly beat in Ocala last weekend, I
> > realized that I have been getting proverse yaw as my
> > plane rolls.
> > It wasn't evident until I saw other well-trimmed
> > planes flying.
> > The plane yaws in the direction of roll input and I
> > have been experimenting with a multitude of aileron
> > differential settings and can't seem to remove the
> > yaw.
> > With zero differential, the plane still yaws in the
> > direction of roll.
> > The trimming chart says to reduce differential in
> > this condition, but I have reduced it to zero.
> > Should I program in negative differential(doesn't
> > sound good) or should I program a litle bit of
> > opposite rudder correction to offset the proverse
> > yaw?
> >
> > Also, does CG and Incidence affect adverse or
> > proverse yaw while rolling?
> > The plane was a little nose heavy and I have also
> > been adding tail weight to try and clean up the
> > rolls, but still can't get that yaw out of the
> > rolls.
> >
> >
> >
>
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