The Bennington evening banner. (Bennington, Vt.) 19??-1961, 1919-03-13
Revelations in London Show Hith.
erto Undisclosed Part of
America in War.
OPENS EYES OF NAVY men
In the New Mexico Gives World a
Successful Revolution in the Pro.
pulsion of the Biggest Fight
ing Ships--Naval Sci
ence Advanced

on.-J0sephus Daniels, secre-'
tary of the navy congratulated Adj
miral Griffin and w. l.. II. Emmett
upon having given the world, in the
New Mexico, q successful revolution
In the propulsion of the biggest fight
ing ships adding: "As so often be-
fore, American ingenuity and inven-
tive skill now lead the world in the
lropelling of Dattleships." He seems
10 have been unaware that in this case
the Ingenuity and inventive skip
originated in England. Otherwise, one
may he sure. he would have been the
first TO give credit where credit was
due.
AT the same time 1t must be ad-
mitted that American enterprise and
foresight to the possibilities Of really
useful invention have opened the eyes
OF the naval authorities on this side.
TO the great and far-reachlng impor-
lance Of what, from insufficient lnves-
tigatlon and wrong expert advice, they
had discarded.
The history Of the evolution and per-
fect'on Of what is known over here as
rthe Paragon" thermo-electric shin
propulsion system, and. as is used In
the New Mexico. the importance OF
whose successful trials. though an
ncunced by Mr. Daniels early last De-
cembcr, has Just been discovered by
the English press is interesting.
This Makes the Big Idea Plain.
Although previous lectures on the
subject were heurd at the Franco.Brlt-
ish exhibition in London as far back
rs 1908, as regards its application TO
the merchant marine. II is just ten
years ago that William +. Durt-
nan. II prominent member Of the III
Stitute of Marine Engineers. London.
now 4 staff captain in the technical
side Of the royal air force, stationed
/ in London. and the inventor aud paC-
entee in many countries Of the Par
ugon' system, Interested learned au-
dience OF naval and marine engineers
n Chatham by lecturing on the posi-
biliiies Of pOlyphase alternating cur
rent electrical power transmission for
main marine propulsion and speed
regulation.
lie described how he had then got
the Paragon system so complete that
by a simple method IN electrical speed
reduction gear was formed and any
ahead" or EASTERN" speed from zero
10 maximum could then he given to the
pronelTers with The turbines running
az all times in one direction. and N
constant revolution speed at the same
time demonstrating that with this ad
vanced system a fuel saving of NJ
less than 20 per cent could be secureC
over the latest type battleship. name
ly, ehe then new and original "dreao
Haught."
Here Is the Inventors Answer.
In q copy of the lecture which
cot Captain Durtnall to eXhnme 10
me. he said
: Spy the adoption OF this polyphns'
alternating current induction electro
motor Il Is possible TO do what Is no
possible TO do with any other kind o
.. motor of equal power and revolution
i speed that Is, to make them sufficient
: IN small IN diameter that they will {
into The narrow after-llnes of wal
ships, and ut the same time to Of
: tain the maximum Of efficiency at til
least possible cost.
: "Thc heating losses OF this type &
( motor are reduced to a Minimum
amount, and require comparatively II
r tie attention; 1t is also quite light
e weight per horse power given on an
has become very popular on shore {
: recent years. mainly owing to its pow
% erful starting torque aud its freeaol
from cOinmulntors and brush-gean
~ burnt.out nrinaturc-the perpe
uni source Of dread 10 other types Z
/, electric motor in paclice--iS rGact
:. oally unknown in tnIs type, even whc
1 put to such severe service as propclll
reversing Indeed, lts depreciation u
y der proper conditions for which
= would he designed Is as low rs nj
,thcr type Of revolving mechanical m
: 'hmery. and owing To It's peculiar ru
| ling character 1t Is especially sui
.hle for main marine propulsion VOL
N hntileShlps. and especially MS I'll
diclent electric motor can be deSign'
lr large powcl'~. whllc its conslru