If it slips with gear extended, probably a door is not
aligned and is acting as a rudder.



"Robert M. Gary" wrote in message
ups.com...
|
| Mxsmanic wrote:
| Robert M. Gary writes:
| Is there any tendency for the control surfaces to set in
positions
| slightly off neutral? For example, if you have to use
rudder a lot to
| counter torque on every flight, is there any tendency of
the rudder
| over time to stay a little bit on that side?
|
| Usage doesn't cause this. However with age sometimes a
plane doesn't
| fly as straight as it used to. If the plane isn't flying
straight (i.e.
| the ball isn't in the middle when you take your feet off
the rudders)
| you can adjust it. On my plane there is a bolt that adjust
the throw
| but a lot of planes just have metal trim tabs.
| What you are asking about is referred to as "rigging" and
is one of the
| great dark arts in aviation. The manual will tell you how
to do it but
| only a few really good A&P's can really get your bird
(especially a
| more complex one like mine) to fly straight. Right now my
plane slips
| to the right about 1/2 ball when I put the gear out. Not
sure why, it
| didn't used to. With rigging you usually want to seek out
an A&P
| familiar with your plane (especially if you have rigging
wires, don't
| ever let a generic A&P touch rigging wires if you fly a
classic).
| -Robert
|