If so instructed by your teacher, print out a worksheet page
for these problems.
Open the slide called
Rudder - Yaw (with text). Study
the labeled diagram and read the explanation of rudder - yaw.
After you have read
the Web page about Rudder -Yaw, make a styrofoam airplane. Click on McEagle
Styrofoam Glider (http://www.grc.nasa.gov/WWW/k-12/TRC/Aeronautics/GLIDER.html)
- Cut two 0.25 inch
(6 mm) slits about 1 inch (2.5 cm) apart from each other on the vertical
stabilizer of your styrofoam glider and then bend this area to the right
and then left to crease it. The tab you have just made is called the
- Looking at your
styrofoam glider from the front, fold the tab to the right, so that
it resembles the diagram on the Rudder - Yaw Web page.What motion do
you predict will result when you fly your airplane?
- Fly your styrofoam
glider. Was the motion the same as your prediction in the question above?
________ If not, describe how it differed.
- The styrofoam glider
should have yawed counterclockwise around its center of gravity if viewed
from the front. Where is its center of gravity in terms of the length
of the airplane?
- Now bend the tab
left. Predict the motion you will see when you fly the styrofoam glider:
- Fly the styrofoam
glider again. Was your prediction correct? ___________ If not, describe
how it differed.
- When the tab is
deflected to the left, where is more force generated?
- When would a pilot
use the rudder to cause an airplane to yaw?
- Where is the rudder
located on a commercial jet?
- Which type of airplanes
have more than one rudder?
- What is the advantage
to having more than one rudder?