CHAPTER 27
PAGE 17
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RA - FLUGZEUGBAU GmbH
SERVICE MANUAL EXTRA 200
PAGE DATE: 1. July 1996
27-20-00 RUDDER
(Refer to Figure 13) The rudder pedals (4) are connected via
a cable system (17) to the bottom hinge bellcrank (13). The
cables are guided by fairleads (11). Springs keep the cables
under tension when they are not operated. Adjustment of
the rear pedals is made via multihole rod. The rudder (3) is
mounted at three points in spherical bearings pressed into
a aluminium hinge resp. into aluminium hinge arms. For
lightning protection reason each hinge (arm) is grounded to
the corresponding attachment bracket at the rudder by
bonding leads. A travel stop plate is located at the bottom
hinge bracket. A second safety stop is located at the rudder
pedal bearing having the only purpose of protecting the
lower brake system fitting in case of rudder cable failure.
I M P O R T A N T This second stop must not be reached under normal
operation conditions. Missallignment or exessive elon-
gation of the rudder cabels will result in misuse of this
second stop and a subsequent overload of the rudder
bearing. A subsequent inflight failure of the footrest
could occur.
To prevent flutter the rudder is mass balanced. The mass
balance weight of the rudder is installed in the rudder horn.
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