New-York tribune., 1883-03-15

IN rssher broadsde The Board reserves the arrange
neut and character Of the battery for future consoea
Rioa the weight OF ordnance not 10 exoooo i'V 'os
nilev auce OF 2s tons should be made om tue "es VI
srtrance for machine guns, torpedoes ana eiee'c t
In &e opinion OF the Board wood casing ana ine'"i
h,nv are neither necessary desirable, and hence
ne oard recommends that they be not fitted 1ho po"
.hculd be OF a modified ram shape and while ho' IN
tended to develop full ram power, sn0
possess greater strength than is applied 10 orunSi!
tyres Of Gnarmored cruisers A double oo''oni s"Ou"
extend throughout the entire space occupied py 'ne
,n..h,nerv and trausyerse coal bunkers. III ls the
p,rion NJ the BOARD that steel deck one and half
spches I'm thickness, should De ntteo o'el '"o
SPACE occupied by the boilers ana nachlnory'
the outer edges 10 be about iour iee' oeio"
the load line The magazines and shellrooms shond oe
snsosed by water-tigbt bulkheads ana covered ny
protective at threeourihs of an nch IN thickness 10
well fore and att The vessel should be barkrgged TO
sopgailant sails The of the plain SAL shonu nov
exceed I2 COO square feet All main watertgDt trans
verse extend 10 upper deck To havea cou
plee system Of DRAINAGE consisting OF Two srge Ell " IN
drain pipes either side OF the Nertlch keel III
the double bottom and connected with s,andooxJ
These specHca1ions require among other things the
the vessels are to have maximum speed OF fourteen
Knots In smooth water and a maintained sea speeu
of thirteen knots The bunker capacity 10 Oe ~ ess
ZOO tons of coal and there shall ne room foT provisions
Tor 25O men for ninety days and water Tor ~ days
The space allotted for the engines ana M re pmns sem
srate will be 81 feet inches in length between tne
athWartShip Oukbeads. Inc argest poesiple8lnv
Coa is to be left each side of the engines Ihe heght
above the inner skin OF the vessel 10 the water line VIII DC
about 9 feet In order to keep the machinery Deow aI
pont The stroke of the piston TO be not less th ~
3pches and each cylinder used Is TO lie ntted VIII un
fpdependent expansion having an easy adlustheh
varying from one-duarter 10 three-quarters OF the
stroke The cylinders are 10 be htted WIN steam JaoA
ets There are 10 be two independent surface cOhuen
eers capabe OF maintaining vacuum OF 20 lhcheS VI
mercury. ,,-...u .,o. nv
The screw will he fixed. and have diameter not eN-
ceednc seventeen feet. The main orank-snatt Wa pe
Reparate aud Interchangeable Tor each cyhnuer WIN
intermediate couplings and of butup steel iorglngs
There will be Eo ordinary cutcgears for disc 1gagng
the propeller shafting, coupling with the englne-
ehaG and the other with the after or screw smart Ihere
will he a suitable friction arrangement 10 secure Ine
screw from revolving when coupling up wnlch may pe
necessary The reversing gear Is 10 oe OPeIa.ou
Iy steam and of approved design marine governor
A. drsirable il applied without complication ana I'D
practical manner There shall be fitted the necessary
gear operated pair OF small steam cylinders, i0r
Turning the main engines for adjustment etc Sultap
proyiso are be made to admit OF the cohNcIent
femONa OF crank-shalt5 anu otnot
parts. .so,. ero rooYns
There will be not less than two independent nre1roohs
for the boilers The total length occupied by DOlleI Is
moi TO exceed 63 feet and the width Is 10 De ~ Ieet
inches the diameter Of the boilers not exceeding II
feet The boilers are contain effective grae-suIace
~ about 409 sonare feet and heating surface OF about
10 600 SQUARE feet There will be two sn0Ke-pPes ~
ted with telescope arrangements kach DoheI II uo
fitted with the necessary cOnnecto ior lts IhuSPeu
dent The TO he operated from ontue ne
boiler commandments. The fre-rOOrns are 10 De so a
ranged as to have width OF nine feet between lhe l
and dIsting apparatus The total weight OF the steam
Inachncry including water in boilers and In CONDENSER
with propeller and all appurtenances ana spre
machinery, willnOt exceed G3S tons.