New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1852-08-25

men, II 10 converted into water Wit In the condenser,
be saved and by some device be again used TO create
steam from water within the boiler, with Whit exceed
ing ehesppess could the power Of the stsamengius bs
employed But quite impossible thus 10 rec npoy
the heat Of steam Il cannot thus be saved and hence
every effort to economic in this would be un-
evalog
lie, Ne row attempt to describe The regensrator, to
which We have referred Without THE. the mschiue
We examined would possess, in point Of economy. no
advantage over the beat constructed steamengine
With 1t. the advantages are incslculabIe.
We have before stated that atmospheric air 10 first
C s ~. til.
the working cylinder, before reaching which Il passes
through the Regeneration. This structure Ia composed
If wire pet somewhst like that used liz the msnufac-
tufe OF seves placed eide By SIDE until the series At
tain thickness, say of twelve inches. Through the
almost lnnumersble cells formed BY the Intersection Of
these wires, the air must pass It's way 10 the work
ing cylinder InpassiDg through these, Ii Is 90 infinitely
subdfvi1ed that the particles composns II brought
into close contact with the metal which forms the
wires Now, let us suppose, what actually takes place,
that the side OF the resenerasor nearest the working
cylinder 10 heated to high temperature Through
this heated substance the air must pas before enter
ipg the cy inder and In efecsing this passage, 1t
takes up, /" !. demonstrated BY the thermometer,
sbou, 400 Of the 1902 Of heat required, az
before stated TO double its volume The additional
800 upicated by the FIRE benesth the cylinder
The air has thus become expanded forces the piston
upward II has done It's work-vavss open-and the
and again enters the Regeneration, through which It
must pass before leaving the machine. We have said
that the side of this instrument nearest the working
cylinder 10 hot and 1t should be here stated that the
9th Ter side kept cool by the action upon IL Of the air
entering In the opposite direction at each stroke Of
the psons Consequently, a. the air from the working
cylinder out the wires absorb its heat effect
usy thst when 1t leaves the resenerator 1t has been
robbed of 1t s except about 3Oo In other words,
the sir passes into the working cylinder II gradually re-
cet from the regsnerator about 1902 of heat and
Al Ouf pa1t IN 10 yptY
used over and over the only purpose OF the res beneath
the cylinders being to supply the 800 Of heat we have
rneponsd and that which Is lost by radiation and
panslon Extraordinary this statement may seem, 1t
Is nevertheless lncontrovertiby proved by the Their
mCmeter to be quite true.
The regenerasor, contained 10 the sixty horse engine
we have examined, twenty six inches In hight
and width inter naly Each disc of wire composing Ii
contains 676 superficial inches and the net has ten
meshes TO the incb Escbsuper6cis Inch, the refore
contains 100 meshes which, multiple by go gives
e. COO meshes in each disc, and 200 discs
ployed 1t follows that the regenerator contains - 90
0OO mesbes, and consequently az there are as many
small spaces between the discs there mesdes, we
nd that the air within 10 distributed In about q OOOO0
miuute cells Hence, il Ia evident that nearly every
particle Of the whole volume Of air. In passing through
the Regeneration, broush into very co'e coua Il With
surface Of metal, which heats aud coels alternately
The extent of this surface when accurately estimated
almost suroasses belief. The wire contained In each
diic 40 feet foDg and that contained Ia the resen
orator 10 consequently 22s 900 feet, 4ll9 miles In
length. the superficial measurement Of which 10 equal
10 the entire surface Of four steam 5oiers each forty
feet long, end four feet In diameer and yet the regen
orator. presenting this great amount Of heating surface
10 only about two feet cube-ess than 1920 OF the
bulk of these four boilers.
Involved In this wonderful process, Of the transfer
and re.rsnsfer of heat Is discovery which Justly ranks
IS one OF the most remarkable ever made in physical
science Its author, Captain Ericsson, long since as
cesiped and upon this based the sublimes feature
Of bis cslorcengne, that atmospheric air and other
permant mt cases. In passing through a distance Of
only elk inches in the ftieth part of second Of tms
capable Of acquiring, or parting With, upward OF
four hundred degrees Of heat He has been first to
discover this marvellous property Of calohc, without
which atmospheric air could not be effectively en-.
poy ed ss motlve.power The reason Is obvious. Tn.
I'll expended by heat IL can exert no force upon the ps.
ton. If much time were required to effect thl the
movement, of the piston would necessarily be slow
90 to render the machine inefficient Captain Ericsson
has demonstrated however, that heat may be commu.
with almost electric speed and that 1t IT, therefore,
emnenty adapted to give the greatest desirable rapdity
of motion 20 all kinds OF machinery.
The .bip, of which we spoke briefly some weeks
,nce Is now approaching completion, and Is the finest
specimen of Naval Architecture especially In point of
srenptb) ever created in this country. The engines
being placed In the center of the vessel admit of bet.
ter form Of mdsbip section than In steamships OF this
the builders have avaed themselves by giving such
rise to the floor that strength and easy lines for passing
through the water appropriately combined. The
lines of the ship at the entrance are snguarly fine
and yet, by verp judcious application of the wave
line" II IL tech nlcally called the bow possesses all
the fulness requisite for good sea boat. The run Is
alike peculiar for easy lines, combined with stability and
resui,ite bearing The strength Of floor, which Is built
entirely solid from stem to stern, surpases anything
we have uen In this COUNT o,.o ..m for produc'
Ing the best ships In the world. In order to give ad
donsl strength to the supple tmbeis the entire fra
10 banded by double series OF diagonal braces, Of Hat
bars of ron let into the mbers at intervals Of about
three feet each series being vted together at all the
points of intersection. In addition to the ordinary Gen.
trial keesons there six keelsons boiled on the
top of the floor mbers for reefourths Of the length
of the ,hp On these keesons the bed plates Of the
engines are secured by bolts passing through the floor
umbers These bed plates extend over the entire area
occupied by the engines aud present continuation OF
iron flooring, not witnessed in any steamship The
security thus attained 10 further enhanced BY dis
pensing entirely with the numerous holes through
the bottom of the vessel which In steamers are Deces
ssry and have often brought that class Of vessels to
sinking condition. The engines beiog arranged In
the center of the vessel the decks are not cut oil as In
and as the whole OF the machinery confined
within vertical trunk 76 feet long and Is feet wide
annie space Is left en- each side OF the ship for state
roons along It's entire length, with unbroh passages
FIRE and at, on either side The freight deck also pre-
,en,s al unbrcken fore and aft diminished only 10
width In the central part of the vessel The coal being
cal lied in the bottom at each side of the engines, the
fore and at hold clear for freight The central ar
rapsement of the engines involves, of necessity, zen
a crsnk and thus the spar deck presents unlnter
rup,ed area on both sides, the ordinary Objectionable
crank matches being dispensed with. Tae slow COM
busion peculiar TO the csorc engine renders the huge
sur oke funnel unnecessary. short pipe to carry of
the gases produced by the combustion in the furnaces
Aes Its place in the csoc ihp The absence of steam
in every form i, sufficiently important in producing
mcre pleasant atmosphere than In steamers, but far
more remarkable is the fact that the quantity OF air
lch will be draxn ont of the ship BY the action Of