The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-09-04
steam Machinery for screw Propeller SioOps-
Of-War at the u. s. Navy Yards OF Ports
mouth, N. H., Boston, New York, Fhilaaei-
phia, Gosp0rt, and Pensacola.


NAVY DsrAnrnsr, July 30 1858.
GEALED PROPOSALS, endorsed % Proposals 70,
~ SaM Maehaay for Scree Propeller soa ~ War viii b,
september next for complete Of ho steam mashers
and apPendags aud placing the same board
H New YORK. Philadelphia and Gosport
The specific putting the whole in sue
cessfh operation include all patent fees
thu machinery and must state tbe
time which the work viii be completed
The name Of the establishments Ia which the
must De stated The details Of the design and arrangement the
as combining the greatest number Of keeping
cost simplicity construction readiness Tor adjustment
when operation beng subject in the work
ing parts being the object Of The department procure
speed o as many days as possible while at the time they viii
ae so that long voyages may DO performed with supply
VIEW department expect the bidders 10 Ruaan
the results proposed be accomplished plans and
specify those results under tho following heais;
highest sapaciy 70 he ed ON boa1S ia vessel NV up 40 ne,
s3 900 pounds lifted high minute and 70 DO
not less than 900 horse and so per
consumption coa per power per hour must be stated
The per square inch piston necessary 20
the engines the velocity the being
and the engines without load except the line Of sang
exceed "a pounds inch Of by Indicator diagram
exceeding the total weight Of 4od for machinery appenages
boilers and water them bunkers tools pieces
BIO Of iron Of tbs multubua
ecopc smoke po and al intended TO use fresh water in the
CURED.
The propeller with the for hosting II will be of
son properly proporined per
ute and for the immersed andship section Of the vessel
The pnmp apparatus for ventane aud appurenance Of all
kinds The perfect working the whole
approx cd kinds
The hunkcs passage Atwar,shp bulk heads
distlng fresh water which
less than 900 gallons or day and the tools and duplicate pieces
must be included in the proposition and list of them must be
nished.
carpenter work. except boring
for the shaft adapt the vessel for the the
Of the Navy Department. aud viii the of such facilities
as Y may have for hosting the heavy machinery on board
For the the
there will be allowed body ship space
the deck commencing ID aba
extending forward a distance Of SO feet
Within this is expected carry coal FOL Ave days ang
at the maximum speed
In the specacatons daily consumption staied
Also the tho machinery COAL boilers Them shaft
propeller and appendages with work. Of
must not exceed 400 tons Of 2.240 pounds.
The distance from the after
Of tho forward stern post will be about 80 feet and the distance
tween the forward and the after stern posts VIII be feet The
depth from the load water line TO the top Of tho keel under the
rellcr will be IL feet inch.
The must be accompanied by full specifications
eral having of the gravity
chinery boilers &C. marked them giving also capacity the
aud Of air pump and cupboard delivery valves space for steam
the water line OF tho boilers the r and surface also the diam
Pitch surface and kind Of propeller and other principal points
that comparisons can readily be made.
The viii be when half OF
labor provided for the shall completed
the satisfaction Of the department. there will be made
* Of the whole amount the When the whole
have been completed and reay erection the ship further pay
ment Of 10 viii be made and when satisfactory trial
when tho ship shall have satisfactorily
od Of three months The remaining sum shall be paid The repairs
during this period defective
will be a the expense of the
ne in the contract be not complied WITH the
liberty reject the whole machinery the contractor be the
Of taking out Of the ship refund
the contract price may have been paid
PROPOSALS will also be place Cor the
machinery appendages placing
each of the sloops building navy yards
Philadelphia and Pensacola under The specifications
above stated with variations in tho following particulars viz
1st Horse $50 least per minute
ID The total weight for machinery appendage boilers
them bunkers tools pieces and coal
Of i0 pounds each The length the engines
boilers IA nannast thence extend
forward a Of 40 feet,
Tho distance the after side of the
post Will depth
line the topo tho keel under propeller
2 inches. .a.
Steam engine manufacturers who desire to bid copy
c section any Of the vessels upon making application
department. ISAAC T0UCEY,
Secretary OF the Navy.
& 4 N