Evening star. [volume] (Washington, D.C.) 1854-1972, 1891-10-28
THE NEW CRUISER DETROIT.
IL win BE Launched Mt Locust PoIn, Thi.
Afternoon.

~ hs'sh-t Eolut ms
Afternoon.
The new steel cruiser Detroit viii be lau,ch,a
from the docks % the Columbian iron works.
Locust Point, Baltimore. this sf,ernoon. Ths
Detroit Is TO be OF 1000 tons displaeement.
which means thar amount Of water Is di-pl.ced
when she has all her weights aboard. Her d.
mansions are a. follows: Length on load line.
21' ioet' extreme besm 81 feet: normal draft
OF "a'er' 1855 feet; maximum horse power un-
der forced draft. :. 400; speed contracted tor NJ
Knots. Her sail power viii be two mast,. rugged
eehooheI Npe, With a square sail on the lore
mast. Her canvas area u put at q 2sq ,auare
iect The Detroit and No. y which is being
ou' .. the same company. what are
. Termed twin screw coal protected cruisers.
Both have a watsr-tight deck extending the en-
tire length of the vessel. The sides of hi, decS
are about four feet below the water line and the
center as at OF little below the load water line
ihey nave an extra long forecastle and poop
deck, under the ends of which are spaces al
iotted Tor working the broadside guns aud tor
peao apparatus. The Detroit has what is
termed an open gun deck. the poop and fore
castle decks being connected bv a bridge eN-
tcnClng fore and aft. Under the wAter-tieht
oecA are placed the engines and boilers maya
zines. shell ROOM steering arrangements. &c,
the space being 20 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 wee
sci center line vertical bulkhead which not
only helps 20 support the water-tight deck but
adcs great strength, or Rs some saw hack
bohe to the vessel. IL also divides the vessel
into water-tlSht compartments.
ENGINES AND MAcHIxERY
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 %
whlch VIII be double ended. horizontal return
nre tube type. Isl feet long by II feet inches
diameter. and two single-end boilers y feet long
by III ieet inches diameter. The working
pressure 81 all lie 100 pounds. The combustion
~ the furnaces Of all these boilers il assisted bv
forced drought applied beneath the CRATE lars
III closed ash Piis. The normal coal supply will
he 200 tons, with ass tons M the fuel bunker
capacity. ana disposed. OF course, 50 as TO pro-
tect the machinery.
Especially interesting is the coffer-dam pro-
tecuon along the entire machinery space. TO
be filed NIth ceilulose The Detroit will be
the hrst IN our navy TO carry this water-ex-
Guiding belt. whose efficiency has been prac-
ically trled IN several nayios. and notably OF
late IN the Danish vessel Hekla. There will be
900 cubic feet OF cellulose IN the Golfer dams in
the Detroit. Her sister ships, . and IL will
also be similarly fitted.
THE 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 on central pivot cHrriage.
IN the middle of poop and fdrecastle aud the
former Tor the broadside battery After ti,e
Sponsors had been made and magazines COM
pieted Tor the caiber of guns and ordnance
mentioned. the Navy Department decided 10
increase that of the broadside battery 10 fiye-
inch breech-loading riles. The changes con-
sequent upon this have put the completion OF
both No y and the Detio oft back several nonths
lho broadslde battery will be mounted i'm
sponsors on the main deck. four on a side Ia.
forward and after guns TO have a direct fore
ana AT hre. respectively. The secondary bat
terry VIII be fla six-pounders and two ONE
FOUNDERS. Two OF the six Founders will q.
mounted an small sponsors In the eyes OF the
vessel, two on the hammock MEETINGS abaft 81
the break Of the forecastle and two on forvara
end OF the poop deck over the after sponsors
OF the broadside battery. The two one -pounders
VIII be mounted on the quarters in sponsors
same a. In the forecastle.
The torpedo outfit will consist of sin torpedo
ports. lifted for the Howell launching apparntu.
and 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 III
was given the Columbian works for n 2a5 600
or s6l2, 500 each.