In article ,
"ShawnD2112" wrote:

220 and 270?!?! Criminy, what are you flying? The only thing I can think
of is what one person said about being past the trimmed airspeed of the
rudder, which is probably trimmed for no yaw at 220 or thereabouts. I don't
think it's to do with prop effects as this is backwards from what your prop
would do. How many Gs do you pull to start your loop?

You pitch down you yaw left, just like raising the tail during takeoff,
a pitch up should give some yaw to the right due to precession.

--
Dale L. Falk

There is nothing - absolutely nothing - half so much worth doing
as simply messing around with airplanes.

http://home.gci.net/~sncdfalk/flying.html