Fri, Dec 02, 2011
Aero-Terms!
Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
Suggestions for future Aero-Terms are
ALWAYS welcome, as are additions or
discussion of the explanations given for each Aero-Term.
Ruddervator
A pair of control surfaces on the tail of an aircraft arranged
in the form of a V. These surfaces, when moved together by the
control wheel, serve as elevators, and when moved differentially by
the rudder pedals, serve as a rudder.
Ruddevators provide the same control effect as conventional control
surfaces, but through a more complex control system that actuates
the control surfaces in unison. Yaw moving the nose to the the left
is produced on an upright V tail by moving the pedals left which
deflects the left-hand ruddervator down and left and the right-hand
ruddervator up and left. The opposite produces yaw to the right.
Pitch nose up is produced by moving the control column or stick
back which deflects the left-hand ruddervator up and right and the
right-hand ruddervator up and left. Pitch nose down is produced by
moving the control column or stick forward which induces the
opposite ruddervator movements.
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