New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1858-01-14
.M.iRI.NE AFFAIRS.

MaRINE AFFAIRS.
The New-Yo and Philadelphia Steam Navigation
Company advertise that hereafter they shall nn boats
three times week instead Of twice, a. during the de-
preston Of business.
SHIPPING ~ PORT.
There were in port yesterday y steamers, 20 ships,
100 bsrka, 81 bngs and POI schoone's.
NAVAL.
The frigate Savannah is being recopperei. She has
been entirely rebuilt, nothing but her original frame
remaining. Her battery is to consist Of 20 9-lnch gun
OR the eun-deck and l0-nch pivot DahlTen guu' on
the spar.deck.
The fngate Niagara Is undergoing thorough over
hauling and recaulkbg. She will be placed in dock a.
soon rs the Savannah is ready to come out, which will
he ten or fifteen days.
SlvIGATIOS
There Is much floating ice in the river, but the RAN
road and the Greenbu-h and Bath ferrybOat continue
10 ply regularly between this city and their respective
slips Tie steamboat Hero left NewYork last evening,
and is announced to leave here Tomorrow She Il en-
Albany Journal, Jan. II
sHIP-BUILDIsG ~ NEWBORN.
There is not at this moment on the stocks in the port
of New-York, single vessel of any description, de-
signed for the merchant service. Tie only ships con
sructng are the Russian frigae, at Mr.. Webs yard,
and the United States sloopowar building under con-
tract with Jacob A. Westervel. Mr.. Westervelt has
recently launched two steamers, the Huntsville
and Montgomery, for the american Atlantic Screw
Steamship Company" They are the pioneer ships
of new corporation, chartered by the state OF
Georgia.
The projectors and principal propre,ors of these
vessels r. X. Cuyler, President of Central Railroad
4 I.1l L.. 4 10 az
Savannah; II. b. Cromwell Quintard & Whitney and
Stephen G.. Bogart Of New-York. The general design
and supervision of the ships has been intrusted to
John Bird, an engineer of great experience in screw
steamers, and who has been most successful i'll the
construction Of this class of vessels the Northern
lakes. The H. and NJ are each 900 feN' long, 40 feet
peam ana Is feet deep-or 900 tuns register; and are
propelled by a single direct-actirg engine OF 52inch
cylinder and i2nch stroke constructed at the Morgan
Iron Works
SHIPPING ASD sHIP-BUILDISG.
The Annual Report on Commerce and Navigation
shows that the total unnage of the United States Is
1910 8i3; registered 463 967, enrolled SO. The
steam navigation tunnage is 70j,7s In the collection
district Of NewYork City, there are registered and en-
rolled 81 42i tuns in the Boston District. Az 900
n Bedford, 1872 100; Philadelphia 2ll, 800 Baltimore,
l9l 6lS; CharcstUn = c., SO 400; NewOrlcaEs ll3,-
e.; Mobile, the only district in Alabama, 1929;
Bath, 1882; Portland, 1920.
The tunnage built for the year ending June 80 81
hips and; barks So brigs, and 263 steamers, was
total Of SIS, S tuns Maine stands first in shipbuild
iug-ll0, 933 tuns; Newlork next, 81 SO tuns and
Massachusetts, third 81 All tuns.- Maine and Massa-
sels, and furnished but three steamers, while New
York built 40 steamers, aud but 30 sailing vessels.
OCEAN STEAMSHIPS.
The United States have but 81 ocean steamers,
measuring "a 795 tups, while Great Britain has so,
with $3.50 aggregate tuns. We have - steamers
of 4j, coo tuns engaged in the foreign and domestic
H.. l.. 40.
aggregate tunnage, engaged in the foreign mail
vice almost exclusively We have 81 steamers en-
gagged in the coasting trade while she has SIS lsni-
larry employed. So much importance does Great
Britain attach to postal and passenger facilities, as
connected with her commercial prosperity, that she
expenGs annually for her foreign steam mails nearly
So eco 600 while they do not return to her Treasury
much above 81 e0, 600 and the disparity l. constantly
increasing
Ocean steamships are not suitable for the general
transportation business but only for the rapid convey
ance Of mais passengers, specie, and costly freiShS
To obtain high rate of speed makes necessary
greatly increased strength in al parts Of the vessel.
more frequent and costly repairs, aud an enormous
consumption OF fuel.
The Collins steamers have been running but six
years, ard yet their repairs have amounted in all to
more than the prime cost of the ships. or 10 about Is
per cent per annum. They Were as we'll aud r.
strongly built as any ships in the world.
The depreciation, with all these repairs, has not
probably been above six per cent per anpum. They
will however probably depreciHe ten per cent during
the next six YEAR and az the age OF II IL year.
will be unfit for service. The steamers Washington
and Hermann. which had strong huls, have been
eight years, and are hearty worthless Their de-
probation has been at least ten per cent per
The steamers Ohio ard Georgia, which Commodore
Perry and other experimenting navy agents pro-
nu,nced to be well-but and powerful steamers.
only FIVE " srs, aud laid aside aud said to be
worthless.
1t is said that American steamers do not, upon the
average last above ten years. The grea; cost Of coal
is apparent from the single fact that the go steamers
in the British navy with about 80 C0 horse
power consumed in 1886 80 600 tuns. II Is laid down
as a rule of general application that the power coal
necessary 10 produce speed Increases the cube Of
the velocity. Taking Collins steamer Of 5000 tuns,
We find that in running II miles per hour they have
frequently done the sumption would be l2S tuns
per day. ,2J2 tTns for the passage. And We;
Of those could make - miles per hour So
tuns per day II miles per hour 6l9 81 less than
half that used at Hall going 70 prove that fast mail
steamers cannot live upon their own receipts on the
ocean.
The greater the speed Of steamer the les il i able
to cary freight: and the time will doubtless soon
cone when the fast mail pac >etS will take nothing *.
cent Il few express packages. The Persia now takes
scarcely any freight aud the Vanderbilt cannot think
of doing il when she makes fast trips
The trip II the Arago Fulton, t. Hlyre and
back costs about $4,000.
70 put a new st Of boilers in one O. the Collins
steamers costs about slI0CO and TIL, must lee done
every siN years.