Ypsilanti sentinel. [volume] (Ypsilanti, Washtenaw Co., Mich.) 1843-1900, 1845-08-20
Foreign News.
Seven Days Later from Europe
ARRIVAL OF THE GREAT BRITAIN.

dates 20 the 25th and Liverpool 10 the 29lh. The
Grsatz Britain was Photographed as early as IL
o'clock Yesterday, aud her arrival wrought TO its
highest pitch The excitement which had been for
several days gathering She passed the Battery
d lsttles after 8 O'Clock. firing gun, which was re-
sponded 10 by hearty cheers from the assembled
thousands. Capt. Hoslxersls an old and general
favor,te here, aud his return SO noble vessel
is heartily welcomed by all. He had forty-ive
passengers The following particularsrespecting1
this Steamship will, no doubt, be read with in.
terest: 'i ~ .e7t ~ q h9o'n2s7 afa saaasisai
~ The peculiar features ofthis great work which
invest the Great Britain it'll unusual interest, are,
1st her extraordinary magnitude; ID, the, maieri-
al used. iron being employed 10 greater extent
than in any other ship; 81 the pecuIiarities OF
form which have been adopted. and the qualities
they confer OH her as regards speed and seaworth-
mess; 18th the construction of the engines and
aud boilers and other machinery for motive pow.
err; 5,h the employment of the screw propeller );
9th use Of a peculiar mechanism, by which, the
power of the engine is applied to turn round the
screw. se.t...-, 80 i-.,... !
=. The length ofthe keel is 2se, total length. 322
feet. ssr s..esss,,,g ,..a-.-.,1 .ll- ..f,a
:. Beam, 81 feet, depth 80 feet inches-feet Of
water when loaded. 19 feet. -, -,
=, Displacement, 1884 Ions-tonage by old meas
urement, 3443 tons.
3. Plates of keel nearly one inch thick; plates OF
bottom varying to thee quarters otan men at ex-
.remes, aud to FIVE eights generally. ..-s
~ Topsides half an inch, and at the extreme ait
7,16lh. vss, a...,sal.. ,<s,s $50,
The ribs are framed of angle iron, 6 inches by
1.2 inches, half inch thick. and 7,l6th-dis-
lance of ribs from centre to centre, amidshIps
IA inches at the ends. s.s.:se- -.... =
:. Ten iron sleepers run from the engine room
gradually diminishing innumber to the fore end
of the ship and under the boilers, the plat form OF
which they support--in midshiPs they are 3 feet
3 inches in depth, supported by angle irons in the
form of inverted arches, and at short distance
from each other. ...-
80 She has five water-ght partitions--stows 1900
tons of COAL 1000 tons of measurment-the en-.
zines weigh $40 tons--he boilers weigh 200 do.
and hold 200 tons of water. ..s. -,
81, The main shaft is % inches in diameter Ia the
centre, and "a 10 the bearing in the rough, before
turned, it weighed 16 TONS. 1t has been lightened
Inv hole of 10 inches in diameter, bored through.
"A stream of cold water passes through the cranks
and this hole when the engines are at work. The
screw shaft is in one long and two short coupling
parts. The part next the engine. solid, % feet
zbyl6 inches diameter. The hollow lntermedl-
ate shaft Go feet by 2 feet inches dia meter. The
screw parts 60 feet inches, and also l6 inches
diameter The total length is 100. and it weighs
altogether SO tons. The screw is Of arms, Is
feet inches diameter, % feet pitch, and weighs
four tons; the main drum is l5 feet diameter aud
drives four chains, weighing seven tons the screw
shaft drumis six feet diameter, and the weight
wish the pull when working is ebua 10 So tons on
the bearings ofihe main shaft. The cylinders
are four in number, So inches each stroke 8 feet
power 1000 horses; the condensers are of wro't
,iron,, IL feet by and deep. ,.seso,. -,
-, Four separate steam engines drive around the
axle of the monstrous wheel. two at one end of
the axle, two al the other, the wheel betweeu.-
The cylinders are placed apart a; the bottom of
the vessel, and the pison-rods, which issue out Of
them, converge to the ends of the cranks OF this
swheel.s Each pair of engines works one crank,
and the two crauks are placed at right angles ;
but the chain is The extra 'rdinary thing lh,re
are grooves nthe wheel, at the end of each link
of this huge chain there are teeth projecting into
these grooves, so that as the wheel revolyes the
chain is compelled to revolve with it. Al the bot
tom Of the vessel, immediately below the great
wheel, LESS little wheel pinion, having grooves
cut in lis circumference of the same size, and at
the same distance from each other, though much
less in number than those Of the large wheel. The
same chain passes round both wheels, and while
the large wheel revolyes by the power of the en-
.eines once, the small one reyoIves as much Of
.teae, asst is, smaller. i The small wheel has for
its axis the axis of the, Archimedes screw. which
is attached to the after end of the axis, and pro-
.srudes through an Aperture in the stern into the
wafer ,,fe,a-, : .Bair yefs l.,ys - trdf ,s.ss
;Under the whole space Of the englpes,uP TO The
top, The angle irons are doubled---the upper man
siand, saloon. decks are OF wood. two cargo decks
ARE. Of iron.r The officers aud seamen are all &C.
commodaed on two dects under the forecastle.
From the ships bottom to the upper deck runs,
on7eher side, for the whole length of the engines
land boiler space, strong iron PARTITION, forming
below the coal bunkers q and above the servants
accommodations on The one side, engineers cab
Sins and stokers accommodations Oh The other, be-
side twenty -six wafer closeis.n,s Tln,s fag tEi0
ss,S She has six masts fitted with iron rigging, ad-
opted in consequence offs offering two Thirds less
,resisiance than hemp--a great, point going head
TO wind. The plain sails Ola ff;ytwo qua frlga!e,
that without counting royals,ssy sas and steer
ing sails, number something short OF 5000 yards
of canvass, and the plain sails of tbs Great Brit
siaili amount 10 4943 yards. She carries -four
large fife boats ofiron, and two bua,s Of wood, in
the davis, and one large life BOAT on deck they
Ia II. Il =