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national
Battalion/Page 7
March 31, 1982
\Iaglev travels at 312 mph
Japanese build flying train
United Press International
MIYAZAKI, japan — The
ipanese have this crazy idea
trains should fly like air-
ines, and their space-age en-
meers have built one that does
at 312 miles per hour.
But now there’s much head-
ntchingat the Japan National
always over what to do with
teir brainchild.
The two maglevs — magne-
ally levitated linear motor
repelled trains — have success-
illvcompleted two stages of de-
tlopment at this southern
ipan test facility on the island
fKyushu. Plans now call for the
uilding and testing of three
thicles later this year.
The maglevs sail through the
ir at a fixed height of about
>ur inches above the magne-
led roadbed, and would make
311-mile run between
r okvo and Osaka in about an
“Our aim is to take people out
of airplanes and put them back
on trains,” a JNR representative
said.
JNR did a pretty good trans
plant job a few years ago when
they introduced the 130 mph
When the 10-ton vehicle
accelerates to a speed of
100 mph, the wheels re
tract and the train skims
through the air, levi
tated by the repulsion
force of the two mag
nets — those on the
road bed and those
aboard the train.
shinkansen (bullet trains) that
now hustle thousands of passen
gers between Tokyo and Japan’s
major southern cities often fas
ter than planes.
“But the shinkansen are be
coming too congested and too
slow,” the representative com
plained. “That’s why we are de
veloping the maglevs.”
To the pampered Japanese
train riders, the other attractive
features of the maglevs are that
they are more quiet, more com
fortable and consume less ener
gy than the present rail system
— 80 percent of which is electri
fied.
“The maglevs would only use
about half the electricity needed
to run the shinkansen at speeds
of about 156 mph,” the repre
sentative said. “But at speeds of
about 312 mph, twice the
amount of energy would be
needed.”
The far-sighted engineers at
this Kyushu testing facility esti
mate it will take another eight to
10 years to put the maglevs into
service on the major trunk
routes. Eventually, they predict
unmanned maglev freight trains
will run during the night, giving
Japan the world’s fastest freight
service. Manned passenger
trains will use the facilities dur
ing the day.
“Only two people are needed
to operate maglevs,” the repre
sentative said, “one at either end
of the line. But people prefer
humans at the controls of their
trains and planes, so we would
man the passenger-carrying
maglevs.”
The revolutionary concept of
propelling vehicles through the
air with magnets uses the same
basic principles as the electric
motor, except the magnetic
energy in motors rotates a shaft
in a circular motion. With mag
levs the magnetic energy pulls
and pushes the vehicles in a
straight line forward or back
ward.
The maglevs begin their
flight on wheels. When the 10-
ton vehicle accelerates to a speed
of 100 mph, the wheels retract
and the train skims through the
air, levitated by the repulsion
force of the two magnets —
those on the road bed and those
aboard the train. Similar magne
tized coils along the sides of the
guideway always keep the vehi
cle on dead center.
The fate of the maglevs now'
passes from the physicists to the
politicians. The physicists and
engineers have proved the effi
ciency and practicality of the
maglevs. But the construction
costs are enormous.
“Although the costs of build
ing a guideway are much higher
than a shinkansen, the mainte
nance costs are much less,” the
JNR representative argued.
Kidney windfall
results in three
rush transplants
United Press International
DALLAS — The head of a
team of surgeons who per
formed kidney transplants on
three patients within a 24-
hour period says the rush job
was necessitated by the sud
den availability of the kidneys.
The three patients, Char
ley Sides, Rickey Phillips and
William Butler, were in fair
condition over the weekend, a
Methodist Hospital represen
tative said.
The men were being kept
alive on dialysis machines
when the organs became
available, lead surgeon Dr.
Richard Dickerman said.
“It’s really unusual that
something like this hap
pened,” he said. “Patients who
need a transplant will wait
months or years for an organ
to become available.”
Dickerman and his team
performed the three opera
tions in succession. One kid
ney was flown in from Atlanta
and the other two were don
ated by the family of a Texas
man.
“To have three kidneys be
come available on the same
day for three of my patients is
something I’ll remember a
long time,” Dickerman said.
Kidneys usually are don
ated by living relatives with a
matching tissue type willing to
give up one of two healthy
organs. Sometimes they come
from deceased persons.
duction,
le knows
regnant,
sgnancy
heir sex-
he said,
r ranting
of anim-
s of pas-
ilthough
ever sus-
ll a spe-
extinct,
maining
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