The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1852-05-15

sngineo aid the work employed 3sO msn during ~
tDe ~ lay 10 the craving dock.
it " not however 10 be supposed that the 0rsse
brtan mas undergone any nltoraton In her rm thas b
pecety a. was before The only alteration rogarls
tho hull u the removal Of thu rolling pats frmgs1 a.
tsched TO her sdes which found ins Hao.n. fss
their object And whereas ,he ha. had formerly nothin
than iron plate about two inches deep or krs
she has had OAK keel ~ inches doep added -
through with iron boits this IL covered with sne -
surface smooth Tho object Of this keel Is to provcnA
rolling. which II il believed Il will accomplish
We have already stated that tho vafsa viii be unnse
ally strong and correct In saying that at the
oment she Il twice strong she smsuse
Of skill having been bestowed upon her feuinss sssA
believe has been known In ship bofOro. u
give idea Of what has been done may sag thae
her bottom amfhipa for about l5O feet In length 10
trcy new and wherever there has any chaHng
plates Of the best iron have been substituted To ~
crease the strength Of the chip the ioorngs have bsea
made Of double instead OF single angle iron, forsry
The bows and stern Of the vessel have been strcngheA
by the addition Of double angle iron framing and th6
has again been further secured by three tiers 0f iron
sringprstwo feet three inches wide and veeght Of -
inch thick rvetcd tho frame work right sngisA
There havo been iron keons placed in the shp.
running and ait for the entire lcDgb Of the ahp bak
de again formerly her and there bex
belsons rupport the made of one and qua<A
inch plato iron and three feet Fix inches deep Ana
no. only have the made the vessel han
she but they have arranged NIL matters Of dcta N
such superior manner that he will now be abb -
carry n much larger cargo than before-,robably vhs
extent OF 900 tons additional This capacity will b
gained partly through the space saved by new boilers,
and partly through the construction OF dcok housp
800 feet long and feet inches high The deck hoass
will be used for passengers and will thus make the lnw
cabin available for cargo New bslwaIks have also been
erected around the ship at elevation of four fcc< AK
inches above those she previously had and these will b.
Of further In protecting the deck house In sovsce
weather. whilst the roof Of the house will form Pss-
menadc 800 feet long and perfectly protected from any
the vessel may ship.
The dimensions Of the Great Britain now, are -
follow
Length over all ........v .v......:..... $50 feet.
Deuh from promenade deck 40 feet 10 ). inChss.
Capacity for cargo, abe III. .3 iOO tons,
Ditto for Goals i,ZO tons
An alteration has bccn made in the masts the shie
the number b ng reduced TO four instead Of sAs
formerly had this in wise affects her sailing powu
she will he able to spread 900 OF canvsa
Two of mats should say are iron cyindcsa
especially constructed with view to giving them light
ness and strength Tho two centre masts riggrd
in a ship carrying sails, high royals" aud IT,
first and last Inass rggod with fore and aft sails -
In n schooner.
The cabins Of the vessel commodious elexAnA
Tho cabins othe captain and chief officer upon dro
and have been arranged that they entrsy everass
the operations oftheship.
in the vessel Ia her motive power The old engines
nominslly OF 1000 horse power, but II Ii question
they ever worked 500 horse power the engno
on tho other hand are nominally OF 500 horss-
power, but thero ia every reason TO hope hope tAas
they will work up to 800 n.T r. ma.
by John Penn and Son, engineers Greenwich, and are
Of the collective power Of 500 horses The cylinders
inches in diameter and six feet length Of stroke snA
by the intervention Of wheels the screw shaft makes
three revolutions to Of the engine The ian
has three blade6 OlOcne8 ulam0t0o
and 10 feot pitch There six boilers either Of which
be used Independently OF the other If necessary.
About TOO tons OF coal be slowed IN the bunkers in the
engine provision has been made to take aout
500 tons in other parts Of the vcssen all m0rc than
enough to take the ship to New York and back The
engines Of the most beautiful workmanship, and -
credit their To lessen the vibration
mcrly experienced from the motion of tho and
ohinry eight wrought iron beams have been plsssa
trnnsytrely through the vessel which lock her sdeo
III nly together The bases which the machinery rcv4
are much stronger than formerly and she has furshes
been strengthened by the addition Of massive iron
baturc beams to the engines which again bustrosoA
by framing OF teakwood each piece beng ~ incl,es
deep feet wide running each side Of the engne
and diagonay to the sides Of the rhp (he
distance which this solid timber extends being II foot
inches each side Of the engnes and the who,e Of
this framing being boltcd together and through the sis
Of the ship by wrought iron bolts to form soad
mas Of timber