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UPDATE #37 - October 16, 1998

PART 1: Upcoming Chats
PART 2: Project News
PART 3: Planning for the Wind Tunnel Test
PART 4: Subscribing & Unsubscribing: How to do it


UPCOMING CHATS

Tuesday, October 20, 1998, 9:30 AM Pacific Time: Russ Claus, aerospace
engineer

Russ researches how to design gas turbine engines more
efficiently. A gas turbine engine (like those on commercial jets) can
require up to 7 years to design and test. This means that it can take a
long time to design a new aircraft.

Read Russ' autobiography prior to joining this chat.
http://quest.arc.nasa.gov/aero/team/claus.html
Registration information at
http://quest.arc.nasa.gov/aero/chats/#chatting

Tuesday, October 20, at 12:00 p.m. Noon, Pacific Time, 4:00 p.m. Eastern
Time.
Linda Bangert, an Aerospace Technologist at Langely Research Center,
will discuss her work on propulsion systems with aircraft. Her extensive
knowledge in this area comes from a variety of work including military
fighter and attack airplanes in the transonic speed range and supersonic
passenger airliners, and being a private pilot herself.

Linda's complete profile can be found at:
http://quest.arc.nasa.gov/women/bios/lsb.html

Registration for the chat is required and can be done by going to the
Women of NASA calendar page at:
http://quest.arc.nasa.gov/women/won-chat.html

Wednesday, October 28, 1998, 9 AM Pacific Time: Roxana Greenman, aerospace
Roxana researches the field of computational fluid dynamics (CFD). CFD is
the process of using computers to solve complex equations associated with
aircraft flight. She is trying to learn the benefits of combining
technology based on our biological nervous systems with special computer
programs.

Read Roxana Greenman's autobiography
http://quest.arc.nasa.gov/aero/team/greenman.html
and view her CFD video prior to joining this chat.
http://quest.arc.nasa.gov/aero/wright/tunnels/rm2.html
Registration information at
http://quest.arc.nasa.gov/aero/chats/#chatting


PROJECT NEWS

Logo Contest Winners Announced!

Our wind tunnel test engineers and the Wright Flyer Online project
managers have decided that three entries tied for first place
(see below).

We will be combining elements of each logo into one design. Watch this
space!

See their designs at
http://quest.arc.nasa.gov/aero/wright/kids/work.html
Congratulations!!

Andy Woo, Age 12, Barret Traditional Middle School

Chris Woo, Age 12, Barret Traditional Middle School

Amanda Woo, Age 13, Barret Traditional Middle School

These winners will receive some NASA Publications including the Exploring
Aeronautics CD!


Collaborative Events To Begin!

Several new aeronautics projects will have students working
collaboratively online. One activity is targeted for elementary and middle
school classes. Two others will be for high school or junior high school
kids. These higher end activities might not be done as an entire class;
other users may include science clubs, GATE kids or science fair folk.

The ELEMENTARY / MIDDLE SCHOOL - Right Flying on-line collaborative
activity is now online.
http://quest.arc.nasa.gov/aero/events/collaborative/elem-mid.html

The HIGH SCHOOL / JUNIOR HIGH SCHOOL - Free Flight Analysis: an
"in-flight" movie"
and HIGH SCHOOL / JUNIOR HIGH SCHOOL - Wind tunnel building activities
will be online next week. For more information go to
http://quest.arc.nasa.gov/aero/events/collaborative/index.html

All of us at Quest hope you will consider joining us for this online
festival of learning.

Wright Flyer Coloring Contest

Entries due October 31, 1998
Which category will you choose for your entry "Most Realistic" or "Most
Patriotic"? Check out all the categories and join the fun.

Hey those of you who are good a graphics programs, let's see what you come
up with!!

To find the details go to
http://quest.arc.nasa.gov/aero/wright/events/contest/coloring.html


[Editor's Note: The NASA Research and Wind Tunnel team is meeting every two weeks at this point to prepare for the upcoming test. Susan Lee is the Project Manager for Aerospace Team Online, not an engineer as you will note by her choice of words.]

PLANNING FOR THE WIND TUNNEL TEST

by Susan Lee

October 16, 1998

I have been able to attend the planning meetings for the upcoming wind
tunnel test and I would like to share some of the concerns and
preparations that are being addressed by the engineers planning for the
test.

In some ways this test is very simple compared to many of the tests done
here at Ames Research Center and that is good because it means a little
less work, but it surprisingly presents several challenges as well.


One concern is that the model is made of wood and cloth. Since the 80' by
120' wind tunnel draws air in from the marshlands of San Francisco Bay,
and since March is frequently rainy, the air in that tunnel might be wet.
Chances are good that the untreated model would get wet and that would
affect the data.  Presently we are planning to hold the test in the 40' by
80' tunnel. This air will be drier and nice for another reason, you don't
have to climb 3 flights of stairs to get there!

Some of you may have seen the photos of the model in the hangar.  Did you
know that this hangar once was the home of a huge dirigible. Since its a
historic hangar, it's a good safe place to keep a bit of history, the
model of the 1903 Wright Flyer. In the photos you can see that there is a
dummy on the model, or did we fool you into thinking that was really
Wilbur Wright?

Do you think the dummy will sit on the model in the wind tunnel? It will.
This will simulate how a person lying on the plane will effect the
airflow. I asked if the dummy weighed as much as a real person
and found out it doesn't. To simulate the weight of a real person Pete
Zell the test engineer told me they would throw a sack of potatoes on the
model. At first I wasn't sure if he was kidding but he was. They will
use some weights that will produce the proper weight for the test.

Since there won't be a real person flying the plane, the engine and the
wings, and the canard and the rudder will have to be controlled remotely.
The AIAA members have built a console that will control them for the test.
They decided to use an electric motor for this model (You know that the
Wright brothers engine was a gasoline engine.)

The instrumentation engineers are trying to plan for this.  They think the
engine might make noise.  Not the kind you hear but the kind that will
effect the data from the test.  At you house if someone runs the blender
or the vacuum does the TV picture get fuzzy? Well that's similar to the
effect the engine might have on the data. Of course they will find a
solution to this problem if they need to.

Meanwhile the balance is in the calibration lab. It will be tested to
make sure its measurements are accurate and can be used at the most
extreme measurements that will be taken. When they take the Wright Flyer
back off the sting, they will remove the sensors that will be used
to make measurements during the test. These will be calibrated too.

I hope to share more with you about the preparations going on. The
engineers and researchers working on this job have signed up because
of their interest but in the meanwhile they are all working on four or
five other projects. When they are too busy to share some of their stories
I'll do my best to fill in.


SUBSCRIBING AND UNSUBSCRIBING

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