The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-08-14
steam Machinery for Screw Propeller SlOops-
of-War at the u. y. Navy Yards Of Ports
mouth, N. H., Boston, New York, Philadel-
phia, GospOrt, and Pensacola.
CEALED PROPOSALS, endorsed :" Proposals for


SEALED PROPOSALS, endorsed Proposals for
- Steam Maehinoy for Propeller Sleeps @ Barn Win bo
sseeiyed at ihs department untii O'Clock Of The eighth Of
anu apenaaees and placing The same on board iof eas so
New York. ihiadeh and Gospo In accordance with tho
following conditions:
cefal operation include all foes and tho department
will REQUIRE release from ,he propretors q any patented article Or
time which the work will DO completed and must be accompanied
establishment executed
stated The e Of The design and OF the
combining the greatest number of keeping
when and subject arrangement the
ing parts being the object Of the department machinery
speed for many days possible while the they viii
be able to po the vessel at moderate speed with great economy
Of uo SO That long voyages may bo performed With supply OF
view department expect guaran
the results proposed to be accomplished by their par and 10
specify those results under the following heads;
The which the boilers will
be able 70 develop for Ave days cosccuyey whom driven their
the s3 600 pounds lifted high
not less than 1000 and atca so revolutions minute
pressure pounds per square piston necessary
work the engines a the above velocity the being
exceed 2 pounds per square inch Of piston by Indicator diagram
exceeding the total weight Of 4o6 for machinery appendags
boilers and them bunkors TOOLS and coal
be of iron Of the muldabnar kind with brass tubes and with tel
escopc smoke pipe and ncnded fresh In tho
boilers surface condenser Of the most approved Kind viii DO re-
CURED
son be proportoned for at least so revolutions
ute aud for the Immersed amdshp section Of The vessel
kinds necessary for the perfect working Of the whole to DO the most
bunkers passage atiwartsp heads
dng for fresh water from which eau be made not
and satisfactory for efficient cruising steam soop owa
must be included in o proposition and list OF them must be fur
carpenter work. except boring
for the shaft adapt tho vessel for the reception OF the
machinery boilers appenags will bo provided the
Of the Navy Department and win permit The OF such facilities
ugit yhnvcf fn tho mac
For the accommodation OF the entire steam machinery and the fuel
spar deck commencing mast
extending Forward distance of DO feet.
space expected carry coal for Ave days eamng
at the maximum speed
weight machuery coal boilers in them, sha
propeller and appendg with tools and spare work. all Of which
must not exceed lo6 tons Of 2,2io pounds
Of the forward stern post viii b about 50 feet and tho distance be
the after posts Will be foet The
depth from the load water line 70 the top Of the keel under the
The proposal accompanied by specifications gen
drawings having the position OF the centre 1 gravity OF the
chuory boilers &c them, giving the capacity tho
cylinders pressure stca foot delivery valves
and and oboard delivery valves space for steam above
line d the boilers the Are and CRATE surface also tho diam
etcr PITCH surface and KIND propeller and other principal points
The payment will bo that whom nchaf or the materials
provided for in the contract shall have been completed 70
i part whole of the Whom the whole shall
have been completed and ready for erection the ship further pay
will made and when satisfactory trial OF
shall have been mne then further OF
and when ne ship shall have performed satisfactorily pe
rod Of three months remaining shall bc paid Tho repairs
necessary this period from defective Workmanship materials
understood that the weight and other conditions spec
bo complied WITH the department is To be
liberty reject the whole machinery the contractor to be at the cx
pens taking ont Of the ship and to refund whatever amount a
tho contract price may have been paid
PROPOSALS the tno and place
machinery and appendsses and placing the same board
eaG q The serow war pas nu @ a %
above aed with variations in the following particulars viz
2 weight machinery appendases boilers and water
in them buners pieces coal exceed $40
ON thee aan1