The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-09-07
steam Machinery for screw Propeller Sloops-
Of-War at the u. y. Navy Yards OF Ports
mouth, NJ H., Boston, New York, PhiIadel-
phia, GOsport, and Pensa cola.

NAVY DEPARTMENT, July 20, 1858
GEALED PROPOSALS, endorsed q Proposals for
deparment until o'clock D. NJ Of the eighth 81
september next for The Of the steam machinery
screw soops building the u s. navy yards Portsmouth
New York Philadelphia and Gosport in accordance with the
The offers specific sum for putting whole in sue
viii require release proprietor. patented
arrangements used in about ,he machinery and the
by the usual guarantee required by law.
The name Of the establishment in which the TO be executed
must DC stated The details Of the design and arrangement OF the
eue VIII DC len with The party whose proposition may be accepted
when in operation and MOI ng sube, 70 dernSee"d IN S
ing parts being the the department procure machinery
which can develop great power when required insure high
speed Tor as many days possible while the they viii
DO able to pope the moderate speed economy
Of fuel 50 that long voyages may be performed with supply Of
Win this view the department win the bidders
TIE results proposed be accomplished by their plans and to
specify those results under the following heads:
l Ihe amount OF horse which the and boilers will
highest capacity TO be by indicator
at The rate Of 80 600 pounds lifted high minute be
not less than horsepower and at least so revolutions minute
The consumption Of GOALS horse per hour
engines at the above velocity The screw being dsconneced
and the engines without load the sang
"a The quantity Of coal which BIO slowed in the ship without
exceeding the total weight Of 400 for machinery appendages
boilers aud water IN he bunkers TOOLS pieces coal
within tho length occupied by the engines The
escopic smoke pipe, and, Intended
boilers surface condenser Of the most approved kind will be
CURED.
The propeller with the connexions for hosting will compo
ute and for the Immersed smp section q the Vee Per nun
The pumps apparatus for ventans and of all
approved kinds
Tho bankers shaft passage athwarsp heads
dstng apparatus for fresh water from can be made not
less than 500 gallons day. and the tools and duplicate pieces
eessy and satisfactory for efficient cruising steam soop
nished.
for the shaft necessary adapt the vessel for the reception the
machinery boilers and apedages will be provided at the expense
faci
"a have for hosting the heavy machinery board
For the accommodation Of the entire steam machinery and the fuel
there will be allowed body the ship the space
the spar deck commencing at 10 feet ab the main mast and thence
extending forward distance Of 90 feet
Within this expected carry coal for 1vo days. eaming
at the maximum speed
In the the daily consumption OF fuel will be stated
also tho weight of the machinery COAL boilers them shaft
must not exceed 400 tons Of 3 24o pounds
The distance the after the
OF tho forward will be about so feet and the distance
tho forward and tho after will be The
depth from the load water line the of the keel under the
proposal accompanied by specifications and gen
eral drawings having the position Of the gravity the
chincy boilers marked them giving capacity
steam cylinders pressure Of steam Of foot and delivery valves
and Of air pump aud uoard delivery valves space for steam above
the water line q m boilers tho fire and CRATE surface also the diam
that comparisons can readily be made.
The will bc that when oneaf of the materials
the satisfaction of the department. there viii be made
part Of the whole amount o. the contract When the whole shall
Of 10 will be made when satisfactory trial of
when tho ship shall have performed satisfactorily AT pc
od of three months the remaining shall be paid The repairs
during this period from defective workmanship
will he at the OF the contractor.
TO 90 understood that the weight and other conditions spec
fed the contract be complied WITH the department
liberty reject the whole machinery the contractor be
cnse Of taking out Of the slip and to refund whatever amount Of
the contract price may have been paid
PROPOSALS will also received the place
steam machinery and appendages and placing the
each OF the building
Philadelphia Pensacola under the specifications
above stated with variations in the following particulars
Horse 1850 least so revolutions per
ID The total weight for machinery appendages boilers and
$40 each The length
boilers will IA feet abaft manast
forward distance of 46 feet.
The distance from tho side of the
post will be 10 depth the
load line the topoi the Keel under the propeller
2 inches.
manufacturers who desire to bid OF
the section OF the vessels making application the
department.. ISAAC TOUCEY,
-. Secretary OF the Navy