Evening star. [volume] (Washington, D.C.) 1854-1972, 1891-10-29
THE NEW CRUISER DETROIT.
IL VIII BE Launched Mt Locust Point Thi.
Aficrrr..,..

Afternoon.
The new steel cruiser Detroit will be launched
from the docks % the Columbian iron WORK.
Locust Point, Baltimore. this afternoon. The
Detroi; is TO be Of 1000 tons disbursement,
which means thar amount Of water is di-placed
when she has all her weights aboard Her d.
mensions are ~ follows: Length on load line.
s5f ieei' extreme hesm. 81 feet; normal draft
OF water 49, feet; maximum horse power nm
DER forced draft. 600: speed contracted Cor. NJ
KNOTS Her saii power viii be two masts rugged
schooner type, with a square sail on the fore
mast nef canvas area y put at 4. 2s9 square
iecI The betfoi. and No. y. which 4. being
punt os the same company. are what are
termed twin screw coal protected ctuiser.
Dotn nave water-tight deck extending the en-
tlre length OF the vessel. The sides of TIN. deck
axe ahoet Tour feet below the winter line and the
center ls al or a little below the load water line
Ihey have an extra long forecastle and moon
aecA under the ENDS of which are spaces al
iotted Tor working the broadside guns and tor
pedo apparatus The Detroit has what rs
.ei naed an open gun deck. the poop and fore
castle decks being connected BY a bridge es-
tending fore and aft Under the wa,er-tight
oeck are placed the engines and boilers maya
ines smell room. steering arrangements &c,
the space being 70 divided into Compartments
that should one section become disabled or
Hooded the others would remain intact and
used Tor The purpose intended. There is e,-
tended through the principal part of the vee-
sci center line vertical bulkhead. which not
Only helps 10 support the water-tight deck. but
adcs great strength, or. ms some saw hack
bone, to the vessel IL also divides the vessel
INTO water-tight compartments
ENGINES AND MACHINERY
The motive power is furnished by two triple
expansion engines placed side by side. but in
separate water-tight compartments. They are
OF the vertical inverted cylinder. direct acting
type, with cylinders 70 :. 80 and 60 inches in
diameter by 20 inches stroke, designed to make
100 revolutions per minute. The air pumps
ana circulating pumps are independent of the
main engines There are five boilers, three Of
which VIII be double ended horizontal return
lire tube type. 49, feet long by IL feet 8 inches
diameter and two single-end boilers y feet long
oy III ieet inches diameter. The working
pressure 81 all Is 100 pounds The combustion
H. the furnaces of all these boilers is assisted bv
forced draught applied beneath the CRATE bars
M closed ash pits. The normal coal supply will
he 200 tons. with ass tons ~ the fuel bunker
eapaelt!, anu disposed, OF course, 80 as TO pro-
te,t the machinery.
Especially interesting il the coffer-dam pro-
lection along the entire machinery space TO
pe hiled NIth ceilulose. The Detroit will be
she hrst IN our navy to carry this water-ex-
gliding belt. whose efficiency has been prac-
tically tried in several nayios, and notably of
late IN the Danish vessel Hekla. There will be
500 cubic feet OF cellulose an che Golfer dams in
the Detroit Her sister ships, y and IL, will
also be similarly fitted.
TIE BATTERY
1t was originally designed that the battery
should be eight four-inch and two six-inch
rapid-hre breech-loading rifles The latter
were TO be mounted OF central pivot carriage.
an the middle of poop ard Fdrecastle and the
former tor the broadside battery After ne
sponsors had been made and magazines COM
pieted Tor the caliber Of guns and ordnance
mentioned. the Navy Department decided TO
increase that OF the broadside battery 10 fye-
inch breech-ioading riles. The changes con-
sequent upon tins have put the completion OF
both No and the DetI OFT back sev,r raj tnonths
The broadside battery will be mounted in
sponsors on the main deck. four on a side ia.
forward and after guns TO have a direct fore
and ait nre. respectively. The secondary bat
terry VIII be siA siX-pounders and two one
pounders. Two OF the siX Founders will Dc
mounted an small sponsors In the ewes of the
vessel, two on the hammock MEETINGS abaft Of
the break OF the forecastle and two on forward
emu OF the poop deck over the after sponsors
oil the broadside battery. The two one-pountiers
VIII be mounted on the quarters in sponsors
same a. in the forecastle
The torpedo outfit will consist of six torpedo
ports lifted for the Howell launching apparntu.
ana Howell torpedo. There are two torpedo
ports under the poop. two under forecastle, one
through the stem and one through the stern
The contract for building cruisers 3 and IL
was given the Columbian works for q. Us 600
or s6l2, 800 each.