Page 2
THE BATTALION
College Station, Texas Friday, April 30, 1971
CADET SLOUCH by Jim Earle
Student proposes pilot recovery idea
fHE
A pilot shot down over enemy
territory could better avoid cap
ture using a recovery technique
suggested by a Texas A&M stu
dent.
George S. Cataldo’s idea makes
new use of existing equipment.
It gives the pilot ability to
move horizontally over enemy
territory or a combat zone to a
more appropriate landing or air
pickup area.
“Because the technology and
equipment already exists, devel
opment time could be quick,” said
Cataldo, a senior aerospace engi
neering major. “The recovery
system also would require min
imum aircraft modification.”
Aerospace engineering profes
sor Dr. Charles A. Rodenberger
termed it an “excellent idea.”
Cataldo, of New Fairfield,
Conn., is a veteran parachutist
and skydiver. He is vice presi
dent of the Texas A&M Para
chute Club and member of the
university’s student chapter of
the American Institute of Aero
nautics and Astronautics (AIAA).
He envisions the combined use
of a wing-shaped parachute and
a helium-inflatable balloon on top
of it.
The ram air para-wing, manu
factured by Para Flight Inc.,
would be deployed like a para
chute after pilot ejection from a
stricken aircraft. The device, in
current use by skydivers, devel
ops lift as does an airplane wing.
The pilot picks a landing spot
away from the combat area and
steers himself toward it by de
pressing steering lines in the
direction of desired turn.
Should his glide angle be in
sufficient to carry him over the
combat zone or if he were in
jured, an automatic device in
flates the balloon, suspending the
pilot.
A strike aircraft such as the
F-4 with a pickup pod could then
tow the pilot to a more suitable
landing area. Or, a mid-air trans
fer with a recovery craft such
as the C-130 could be effected.
Cataldo, an Air Force ROTC
cadet and Squadron 10 officer in
the corps, said the strike aircraft
pod could be designed not to
interfere with normal F-4 mis
sions.
In a situation where the F-4
could tow the pilot to friendly
lines, the dangling pilot would
release, the para-wing would re
deploy and the pilot could descend
to the ground.
Cataldo said the Goodyear Aer
ospace Corp. has done consider
able research on a balloon-type
recovery system with an airborm,
recovery technique.
The system could be packed in
the same volume required for
present chutes, Cataldo said, be
cause the para-wing is smaller
than current circular chutes; He
said Pioneer’s piggy-back rig,
packing main and reserve chutes
in upper and lower compartments,
would suffice.
“Instead of packing the reserve
chute in the upper half, this
space would accept the balloon
and helium tank,” the 22-year-old
aero senior said.
He indicated it would be net-
essary to modify pilot training.
“Pilots would have to be taught
how to fly the para-wing,” Catal
do said. “Since it is like a wing,
it can stall. In a stall, however,
it acts as a drag device rather
than a lift device.”
He said the stalled para-wing
fall rate of 21 feet per second
makes a hard landing, but less
than those taken in skydiving.
1
But the noise remains
Model plane buff solves fuel flow problem
A Texas A&M model airplane
flyer has turned his aerospace
engineering, building and flying
knowhow into an improvement for
the hobbyist.
Thomas L. Gailey of Ord, Neb.,
took a hard look from an engi
neer’s point of view at fuel tank
vent locations on his models.
He found the small tube can
be better positioned behind the
model’s propeller to improve fuel
flow characteristics at low or
high speeds.
“Ever since control line model
aircraft came into existence, there
At the cinema
By PAT GRIMES
“Airport”, now at the Palace,
features an even dozen estab
lished stars, plus humor, action
and genuine suspense. It also
gives one the feeling that he is
truly involved in the soap-opera
lives of its characters, the in
clement weather and — most of
all — the decompressurizing of
the plane, the Golden Argosy.
Each characterization borders
on the human, especially those of
Helen Hayes, Maureen Staple-
ton and Van Heflin. George Ken
nedy also played his role with
zest.
“If I had one generally nega
tive comment, it would be that
Dean Martin is not the pilot type
and that his character identity
slipped with his mention of li
quor.
The sequence involving the ad
vancement of the Payloaders
(massive tractors with shovels)
in what they called the “Conga
Line”, in preparation for the re
moval of a 707 that veered off
the runway, was outstandingly
good and to my mind made the
last 15 minutes of the film.
good
Again I must mention the
severity of the weather as a
prime force in 1) the illustration
of the presence of competition
between the airport management,
the pilots, the maintenance or
ground crews and the citizenry;
2) the congestion of airways un
der harsh conditions, and 3) the
general fact that comptrollers
are the unsung heroes of the
whole shooting match, mainte
nance runs a close second.
The film has glamour and aud
ience appeal as well as good sim
ulated photographic technique
and music.
If you haven’t caught it yet
you might give it a try for the
utter involvement aspect and the
weather, of course.
* * *
“Thunderball” and “You Only
Live Twice” are the two 007
escape films playing at the Cam
pus this week.
Each features a different James
Bond type with his character
istically healthy outlook on life,
liberty, sex and “number one.”
The yarns are spy spoofs with
Numbers in
on the cable.
2:30 3 (5)
15 (12)
3:00 3 (5)
3:30 3 (5)
15 (12)
4:00 3 (5)
4:30 3 (5)
15 (12)
5:00 3 (5)
15 (12)
5:30 3 (5)
15 (12)
6:00 3 (5)
() denote channels
Edge of Night
Sesame Street
(PBS) (Repeat)
(of Thursday)
Gomer Pyle
Town Talk
University
Instructional
That Girl
Bewitched
What’s New
(NET)
General Hospital
Misterogers’
Neighborhood
(PBS)
CBS News
Sesame Street
(PBS)
Evening News
6:30 3 (5)
15 (12)
7:00 3 (5)
15 (12)
7:30 3 (5)
8:00 3 (5)
8:30 15 (12)
9:00 15 (12)
10:00 3 (5)
10:30 3 (5)
11:30 3 (5)
The Brady
Bunch
Campus and
Community
Today
Nanny and the
Professor
Trial: The City
and County of
Denver vs.
Lauren R.
Watson
Andy Griffith
Movie — A Time
to Love, a Time
to Die
This Week
The Best of
the Week
Final News
Alias Smith
and Jones
Alfred Hitchcock
Bingo—Weekdays at 5, BCS*TV/9. Nothing to
buy. You need not be present to win.
daring escapes and rescues, in
genious equipment, clipped dia
logue, sound musical scores and
wholesome photography.
The customary subtle British
humor is evident throughout these
action-packed films.
Though “Thunderball” offers
everything, “You Only Live
Twice” has a select advantage in
story content and some updating
the older Bond films lack.
Sheer entertainment is their
key to success and they succeed
admirably.
2 grad students
receive honors
from alumni
Donald J. McDonald, a native
of Australia, and Michael T. Shay
of Pasadena are recipients of
the 1971 Distinguished Graduate
Student Awards from the Asso
ciation of Former Students.
The certificates and cash
awards recognize the top master’s
and doctoral student based on
academic record, professional
dedication and service to the uni
versity, noted Richard (Buck)
Weirus, executive director of the
association.
Selections are made by a Grad
uate College committee headed
by Dean George W. Kunze.
McDonald did not attend the
presentation ceremony as he has
returned to the Agricultural Col
lege and Research Station in
Yanco, New South Wales, Aus
tralia. He will receive the Ph.D.
in crop sciences in absentia May
7.
McDonald earned a 3.96 grade
point ratio out of a 4.0 base
while taking 105 credit hours of
course work.
Shay will receive the M.S. de
gree in electrical engineering.
He is a graduate of South
Houston High School and re
ceived the B.S. degree in electri
cal engineering from the Uni
versity of Texas at Austin in
1966.
He has a 3.87 grade point ratio
and holds a research assistant-
ship supported by the Sea Grant
Program at Texas A&M.
Both men are married and have
children.
has been a problem with fuel
starvation at certain precarious
attitudes of flight,” Gailey said.
One way to prevent fuel starva
tion is to pressureize the tank
by one of several systems.
In some Academy of Model
Aeronautics (AMA) classes, the
modeler can tap the engine crank
case to obtain fuel tank pressure.
In other cases, the tank must be
vented to the atmosphere.
“Modelers have used vent sys
tems in AMA regulations confines
and yet provided the fuel system
with some pressure,” Gailey add
ed. This was done by jutting the
tube into the free air stream at a
90-degree angle, cutting the vent
at a 45-degree angle facing the
air flow or bending the tube to
face the stream.
The first arrangement, the sen
ior aero engineering major said,
caused a negative pressure
“sometimes strong enough to suck
fuel from the tank.”
Gailey, an active and veteran
member of the Texas A&M Model
Airplane Club, ran wind tunnel
tests on the three basic vent
types, varying the position of the
vent relative to the propeller arc
and wash and from the aircraft
fuselage.
Later tests were run with a
powered prop to stimulate wash.
“Tests with the powered pro
peller proved these vents were
gaining only one to 10 per cent
Bulletin Board
SATURDAY
Chemistry Wives Club will hold
a Chemistry Department picnic
at 12:30 p.m. at the American
Legion Hall, Highway 21 South.
Tickets may be purchased at the
department office.
MONDAY
Wildlife Science Wives Club
will meet at 7:30 p.m. at 705 In
wood, Bryan, to elect club officers.
A volleyball game will begin at
6:30 p.m.
TUESDAY
San Angelo-West Texas Home
town Club will meet at 7:30 p.m.
in the Academic Building to elect
officers.
Williamson County Hometown
Club will meet at 7:30 p.m. in the
MSC Social Room to discuss a
barbecue.
Lincoln Union will meet at 8
p.m. in the MSC Birch Room for
an organizational meeting. For
information, call 846-3294.
increase in pressure from prop
wash,” the young experimenter
commented. Most of the prob
lem, he felt, was location of the
vent too close to the fuselage and
propeller hub where there was
too much turbulence and too little
prop wash.
His experimentation led to a
better location that utilizes the
full potential of the propeller
and the forward velocity of the
plane.
Gailey’s results showed that
the maximum pressure gradient
for a Top Flight 9-inch diameter
prop is 50 to 70 per cent of the
prop radius.
He placed the experimental
vent on the left of the fuselage
and 2.7 inches or 60 percent radi
us from the prop hub center.
“This represents the best vent
location,” the A&M student mem
ber of the American Institute of
Aeronautics and Astronautics
said in a course report to Dr.
Charles A. Rodenberger. “Some
aircraft are flown without land
ing gear. These at times make
Divers
(Continued from page 1)
Experiments have shown that
a mixture of 97 per cent hydro
gen and three per cent oxygen
cannot be ignited.
“The greatest danger comes
during the initial mixing of the
gases,” the biologist explains,
adding that Edel has perfected
a mixing system which seems to
be safe.
LOU Will Not Be
Out-traded or Under-sold
He really appreciates Your Business
inverted landings. A vent posi
tioned either above or below the
fuselage would be damaged.”
“Wind tunnel tests showed,"
Gailey concluded, “an average
100 per cent pressure gradient
increase developed by the new
system over older vent systems,"
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NELS
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YOU ONLY LIVE TWICE”
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By Charles M. Schulz
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EDITOR DAVID MIDDLEBROOKE
Assistant Editor Hayden Wbitsett
Managing Editor Fran Zupan
Women’s Editor Sue Davis
Sports Editor Clifford Broyles