Albuquerque morning journal. [volume] (Albuquerque, N.M.) 1903-1926, 1915-03-27

these idcns have proven entirely inn
practical az FOR instance plan 60 pros
vide each man aboard the submarine
with q diving helmet. II was found
that the helmets took mp $50 much
room that they could not be- slowed
on the boat Escape by means Of the
torpedo tubes has been suggested Of
ten aud some time ago "a man aboard
the cruiser Tennessee plucklly per
mitted himself to De shot through q
tube lie came out safely, but this
experiment was made al only "a ten-
foot depth. and submarine officers say
that nj sixty or more feet under wa
ter man who crawled into tube
would be Immediately crushed by "a
pressure OF thirty pounds to the
square inch Air chambers are pro-
vided on most OF the modern boats,
however. and at a moderate depth the
men might release themselves and rise
10 the surface. The IA has such u
contrlyance, the coming tower being
arranged In two sections for the pur-
pose
The stay Of q submarine below wa
ter Ia limited by the supply Of oXy-
gen. In endurance toats In not very
deep water, twenty -four hours has
been the limit
There ia danger Of development of
leaks under the high pressure at un-
usual depths. Commander Stirling.
In charge of the submarine service,
4ays however, "a submarine might lie
on the bottom ~ within $50 feet and
stay there from twelve 10 twenty-four
hours with perfect safety
The IA is equipped with a Nurom-
berg DIESEL engine of "a heavy oil
burning type
Tho tremendous range Of Temporal
ture (which affects the expansion and
contraction of the castings used FREE
quently causes cracks in the cylinder
heads and piston heads
The lead battery, too, always has
been "a source Of apprehension on
craft like the F-4 When battery
has been In service any length OF
time there are many things that can
happen The plates may buckle,
there may be short circuits ana there
may be- battery explosion nf tile by
Oregon gas was given off In the vessel
The question of ventilation of the
batteries has been given a great deal
Of attention The deadly gas of hy-
drochlorlnes forms whom salt water
gets in lead battery and its dangers
have been pointed out i'm congrcsslon-
al hearings and reports with thirty
pounds pressure To the square inch nj
sixty feet depth, the wntor inside the
ballast tank is liable to be forced up
through the battery tank The navy
has Installed what ia called the auto.
matte blow to prevent % vessel going
below the depth set, generally sixty
five feet
The latest reports on the IA made
public by the navy department indi-
cate that her main engine was IN good
condition that the batteries required
overhaulnR. that the hun was Ia good
condition, and that If was otherwise
in good shape
Hope for the lives of the twenty
one men aboard the submarine prnc-
ticully was abandoned by naval Off
GERS here on receipt OF this news The
IA WIS designed to resist water pres
sure 90 a depth of Approximately fifty
fathoms. or goo feet but it was be-
hcvcd that II would bee impossible for
her to ROMAN az such a depth for amy
length Of time with safety
Records show that when the FL
hoat OF The same type. operated on
her trial trip for the first ten min
utes at "a depth OF 2N3 feet, her hun
groancd ana took In water,