The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1849-07-22

the tame. and their engines Of the power. the
railing qualities Of ach would be fairly Tested by expe
rment, and the point about which nautical men are
much divided satisfactorily settled
1t hitherto supposed that vessel could not be
made sharp without drawing much water; but the
Georgia Is sharp stenmed a vessel OF her size
ever built and ct draws the smallest depth of water
Her stem is dinghy beautiful 1t is like the Ohios
in piece with the figure head but much finer. Her
figure bead the wild horse of MaxepPa Of which, when
unsubdued to the rein, the poet thus writes
"Untrsd, untamed, and worse than wild;
All furious as favor'd child,
Baked Of its wish; OF hercer still
A woman piqued who has her will
but Of which, when taught obedience by his master
same poet says
"But he hardy as his lord,
And little cared for bed and board;
But spirited and docile too,
Wbste'er to be done would do;
Shaggy and swift, aud strong of limb,
All 1artar-like he carried him;
Obey his voice, and came to call,
And knew him in the midst OF all,
Though thousands were around. and night
without a star pursued her flight.
1t is only when on board the Georgia you see her
combination of beauty and strength Standing at her
Prov and looking back along her sides you cannot
straight line Of foot in length The curved line
the line Of the beautiful, continues its proportions
gradually from stem to stern This vessel is furthest
removed in her model from British steamers The
Ohio ~ much like them. The perfection Of steam
ships. take 1t, is with the same amount Of machi-
merry to have larger capacity carry freight and
attain least the speed The cylinders Of the
largest British steamers the size the Geor
gas and yet their burthsn is only $4,000 tons. The
accident that occurred Saturday last has amply
tested her strength. weight Of 40 tons fell from
height Of 20 feet her rail- which Of it cut
through crushing pieces Of the strong staunch
ions; but thus far could it 20 and no furthern 1t
stopped when II to the heavy water ways on
the gun deck 1t did not make the slightest impress
the nick 1t had cut for itself broad and buoyant is
the veseel and so little did she heel that you would
tcsrcey perceive any inclination to that side Speak
ing Of rails, may here point out difference be-
tween these and other vessels The rail always for
gsngways In them Is uncut and goes all round which,
nhid Ia n In
serving the shape unwarped 1t is found that no mat
ter how strongly the boat is built in other respects IL
her rail Is cut she will warp less You enter
these vessels by ladder, to the spar deck Built
the Georgia and Ohio are with view Of being turned,
in weeks notice, into first class steamers,
may remark that the spar deck is fastened on by
means Of screws, and can be renewed at ence.
In other ocean steamers for instance. the Her
in the body Of the vessel, and they should be
cut down. In order TO make them available for the
naval service. The water ways also absolutely neces
sary for the support Of the guns the msn deck
in the Georgia aud Ohio which is not the in ether
We shall now proceed to describe
THE MAcHIsERr.
IN has oa tSa as.crn,on
applies to both. They arc built BY Secor Co., who
had enlarge their for the purpose aud
superintended all through by the eminent eng-
nesr, MIR. Joseph Scott Each boat has two engines,
which gives larger Of cylinder and double power
In England the power Of engines Is measured by that
Of horses. These engines each according 10 tho
measurement Of the cylinder, which determines the
horse power They low pressure side lever marine
Feet. Inches.
Diameter OF cylinder. .................7
There are four boilers to each pair Of engines weigh
They worth $4,000. The Hermann and Washing
ington have two engines, but have only two boilers
Tie advantage in having four is that while the fires
being hauled the speed need not be siackened
must be the case where there only two. The
engines are on the same plan ~ the Niagsra's, bat
IA h.a.t Th.x. a. xxl.a H.
small, without two engines Two not necessary for
river steamers, but are Of great advantage for the
engines but they are not connected They act indc-
pendently. In the Georgia and Ohio they are con-
nected as in the Missouri mississippi and Kamschatks
The advantage over the single engines is this that
with the latter, when IL Is on the centre, II
strikes the vessel the wrong valve will be opened and
she will be driven back instead Of forward This
not take place with double engine the stroke being
alternate. Every time too that an engine Is on It's
is a moment in which both valves ar. closed namely
after one has just sbut and before the other Il opened
In that moment with single engine, power slost sod
steam In applied With the double engine It IL diff
ferent for the steam In instant Of time supcnds
prepeing force There are two valves always open,
for single engine and therefore IL Is expensive
IL IL also more dangerous At sea In storm, steamers
single engine do that. Single engines strain the
boat double ones do not
The bottom OF the cylinder In these engine, Is east
the bed plates and thus six feet Of height
IL saved The consequence Is, that the engines are
under the deck and this Is Of small Importance In
war steamers, exposure Of the hinery TO shot
would disable the boat There Is another advan-
tage in this the weight IL ut the bottom aud there
being more base than height there would be vast ar
ference In q rolling sen. in the recoil OF guns
The engines are bolted down TO the immense thick
floor With sixty iron bolts in each bed plate. This IL
not usual The English fasten them with wood screws;
but Nh Lew found they would draw, and we're by
hesns secure AZ the bolts. They are not fastened
20 the sides OF the vessel but stand Independent In
the centre. There is . po~erfui brace between
them that connects them and mskes them one In the
centre, and aso cast on the bed plate is the con-
esnser The boilers. instesd 81 being all side
fore and aft Of the engines and thus
very important purposes. besides giving the en-
gine.r opportunity of seeing all the nrcmen to-
g,ther and sscertsnipg whether they doing their
duty, while he look at the time at his glass
susge without leaving his poet they will enable the
water wheel to be placed the centre possible
while they form each. when Oiled with water resist
Of seventy tons against the uplifting force Of the
wanted Tho Ohio has her engines ten feet sban Of
the centre Of the yessel-the Georgia twenty feet.
str, nxih. instead Of q number OF small ones that
pull together and are always Ia the way.
SO vide tbe.e steamers, that have ample room
a. go all round the eng advantage not possessed
by ether ocean steamers.
Ths water wheels are 90 feet in diameter, and the
bucket 10 feet on the face The beam that supports
tn, has been slrcsdy described. The brace under
nsth outside H. not attached to the side Of the chip
IN the ussA say but is fastened to strong rOn knee
bolt, to the boat.
1bese I.viaibsn steamer. are BY no mean. dcacient
IN ornament: but. considering the objects for which
they ccnstructed ornament weighs feather in
N. balance against the stupendous strength that
visible In every timber and knee and brace, and bolt,
aud plank
" is expected they ~in he ready for sea In about
three weeks and then IL II be seen what American
enterprise has accuu pill he'd.
KuIRp by LIGHTNING On the afternoon of the
1a,h ult /, Mrs May Barnett, eonsort of Robert Il.
Barnett, Of Prairievile, and daughter Of Archer
Blown, Of Lynchburg, Virginia, set out, IN com
psny with her niece and nephew, to visit the
daughter OF a friend who III. After travelling
about two mites, they discovered cloud rising,
t,nce, near by, until the cloud should pass over.
But AT that mon tnt young man rode up and In
formed hem that the young lady was not expected
TO live through the ensuing night; THIS deter;
mined Mrs. II. To 20 on, leaving her niece aud
nj b, W to follow after the storm abated. About