The daily union. [volume] (Washington [D.C.]) 1845-1857, 1848-05-05

Tie United States steamer Mississippi having on her
recent in the Gull OF Mexico, proved herself a
thoroughly siaunch and efficient steamer, statistics
concerning her may be OF gel i interest Her principal
dimensions As follows;
Extreme length 2a3 feet
Length between perpendiculars 22o :"
/ Extreme beam 40 -
Beam 10 outside warehouses 81
Depth OF hold 20 a.
Height from water line IA ''
Measurement in tons i 1855 tons
Estimated horsepower 400; capable OF working up To
500. The Mississippi carries inch and 2 10 inch
chambered guns Two months provisions, and 50 days
wafer the liberal allowance OF gallon DAY for each
OF her crew Of 236 souls She slows 500 ions Of coal in
her coal bunkers which, with 100 bags deck al the
time OF starting, would make "a days fuel, 25
day; allowance with which, in ordinary winds and
weather, she would average knots, about ITO miles
day. Wih an average consumption OF a fraction over
pa ions day, she averaged IS miles day from Sacri-
eios 10 Boston, enoounerng head winds and sea- por-
on OF The time heavy, nearly two thirds of the way
having san sci but l32 hours although fore and aft sails
were always earned when steering with the wind 5
points either bow and beng entirely without sail Dos
hours out OF $40. Between Havana aud Boston she en-
counered three northers. Yet the passage was made
Including hours delay of Havana, in Ia days from
SACRIFICES 10 Boston, distance OF 400 miles with a
consumption OF $50 ions OF coal
Yet this tine steamer considered By engineers who
have sailed both IN her and IN the Missouri to have been
nienoT 10 the latter The two were identical In
model, dimensions, boilers, and power The Mis-ssip-
PTS engines the plan OF the English marine engines
like that OF the Great esiern with the exception OF the
steam and exhaust valves the Mssours were OF Ameri-
form, the plan of direct action and inclined cyip.
ders The capacity of the cylinders was the same with
seven ieet stroke IN the mississippi. and ten the Mis-
sour The Missouri had the advantage of 50 tons less
weight OF engines giving her about the
with everything board, the Mississippi would have
had If her whole battery and had been left on
shore. This alone would account sufficiently for the
Mlssours greater speed in the ratio of about
The frames OF the Missours engines are said moreover
by the engineers, 10 have BEEN OF their plan
and arrangement steady the engines less apt get
out OF order, more IN sight, and easily repaired
Some minor detects IN the arrangement-not the
siructoE of the Missouris engnes-chiefy about the
foot valves occasoned her to fail in her trial with the
Mississippi, and left her measure dscredited
These defects were however, remedied eventually On
her passage TO Gibraltar she said have been pereci
IN all respects and to have generally kept up uni
form speed of ten knots but the consumption OF fuel
rs said TO have been very great, amounting, for days
together, to So tons day. The Michigan on Lake
Erie is the same plan as the Missouri, and is said
be a perfect steamer. When England shall have the
good tell Canada 10 look out for herself the de-
OF the old women OF the neighborhood and this fine
steamer introduced to The ocean which she worthy
to plough NJ
government nearly eight years ago, should be
pride 10 all concerned IN their construction. They
probably not surpassed, il eqqaled by any anywhere
built since Ii true that the Mississpps greatest
speed is nine knots. How much faster do the Atlantic
steamers really go' Take out of the Mississippi her
heavy armament and ordnance stores, her eighty OF
water and provisions for her crew. and her
weghty outfit Of war bound on three-years
cruise and is little doubt that she would compete
successfully speed with the best of the Atlantic steam
The fidelity with which the Mssissppis engines were
constructed in Philadelphia, but aitested by the cond
ton which she has returned port from three
cruise, with single partial repairing Norfolk year
Thanks TO this ndeiity and TO the wafchful
and pains Of her engineers, her vacuum has constantly
averaged of late In both engines, upwards OF IS inches
As she entered the harbor of Boston, aided by the cool
OF the condensng water il got up GOA
very seldom reached If the steamers now building
- 49, SkeA
doubted that they will be so-t will be beginning OF
navy, OF which the country may be proud, and
which, the event of war, will be formidable bulwark
OF defence.
The United States steamer Mississippi has performed
the following:
With light head winds speed knots
Horse power exerted, 1913 x p 246 horse power
:" " effective, "a < r. los
Average coal per hour, 1920 pounds.
Coal per revolution 2. IA pounds.
Coal per horse power per hour, 80 pounds
Cubic inches of water evaporaed per revolution 372
Cubic feet OF water evaporated per hour IS SIS.
Pounds OF coal to evaporae cubic foot OF water 10 IS
Pounds of coal evaporate cubic foot OF water minus
IA for blowing 49,
Pounds OF water evapora.eo 1y pound OF coal, SAL
With 1888 pounds OF coal per hour, and light head
winds she has made 9 knots
The United States steamer Missouri in smooth water
and light head Winds made 10 knots with 55i pounds
OF coal per hour
States steamer Mississippi, from her sailing from Nor
folk 7h March, ls47, TO her return TO Boston, 10th
| APra, lsis:
Names, Rate. When killed Where killed