The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-09-03
steam Machinery for SCREW Propeller SioSos
Of-War at the u. b Navy Yards or Porfs-
mouth, NJ H., Boston, New York, PhtlaXeI-
phia, Gosport, and Pensacola. .

NAVY p~AHnusr July 49, 1855
g ALED PROPOSALS, endorsed " Proposals. for
- seam MaeAirey for sees r'opdsr sres n war viii
september nost for l oop u"e q TIE ssh, Of
aud apPenasss and placing hs same on board for
~ ~ New York Philadelphia and Gorpo IN accordance
be 70. specific sum for putting the wboa IN
oess operation include all foes department
usod in or about he machinery ns must @
time which the work viii DO completed accompanied
The Of the establishment in which be executed
must DO stated The details Of the design and
onery VIII be left with tho whose
as combining the greatest number Of keeping
when operation being in tho WORK
ing parts being the object OF tho department procure machinery
speed for many days possible while they
oe able 70 poe The vessel at moderate speed with
OF fuel so that long voyages may DO performed with supply
y the results proposed be accomplished plans and
specify those results under the following heads,
The which
DO able TO develop for aye days consecuyey when driven
pounds high in mnuts and 70 be-
not less than 900 and at least 10
pounds per square the piston
work tho engines at tho above velocity tho being
and the without load tho
exceed pounds square inch piston by Indicator diagram
I'd The quantity OF coal which be slowed in ship
exceeding the total weight Of 400 tons for machinery appendages
boilers and water in Them bunkers Tools pieces
to be Of Of the mnltubur kind with brass tubes
ecopc smoke pipe and as intended TO use eah water in the
boilers condenser be
qured.
propeller with the connexions for holstng win be OF compo
on DO properly proportional for Toast 80 revolutions
and for the Immersed andship section Of the
The pumps appaatns for ventane and Of all
kinds for the perfect working tho whole be Of the
bunkers passage two a.hwahp iron bulk heads
dsng apparatus fresh water which
ceary satisfactory cruising soop war
must be included in the proposition and st of them must be fur
nished.
The wood aud except the boring out tho dadwood
for the shaft adapt the vessel for the the
at
Of the Navy Department. and will permit the OF suc facilities
as have hosting heavy machinery board.
For tho accommodation Of the entire machinery and the fue
there will bc allowed IN body Of the ship the
the deck commencing Ii aba
extending forward distance Of so feet
Within this space expected coal for Ave days ,eamug
at the maximum speed
In speciaoion daily consumpionSo stated
propeller and appendage with tools nnd all OF which
must not exceed 400 tons Of 2,24o pounds.
Tho after side
Of the forward will be about so feet
depth the top pro
pelcr will be IL feet inch.
The proposal must be accompanied by full specifications and gen
era drawings having the position Of the centre Of gravity Of the
shnsry S marked on them giving also ne capacity Of the
and and cupboard delivery valves for above
that comparisons can readily be made.
aud labor provided for the contract shall have been completed
u part whole the When whole
have been completed and ready for erection the ship further
secuye days aha have been made ho further payment Of
whom the ship shall have performed satisfactorily
three months remaining shall be repairs
during this period from defective workmanship materials
will be nj the expense Of the contractor.
understood that the weight and other conditions spool
aed the be complied With tho department
liberty reject the whole machinery tho contractor be
taking Of the ship and 70 refund whatever
the contract price may have been paid.
PROPOSALS will also be receiy the
machinery and appendages and placing
each building yards Boston,
Philadelphia specifications conditions
above stated with variations in the following particulars
LIST Horse $50 Mt least 10 revolutions per
total weight for machinery appcndages
them bunkcrs tools pieces coal
pounds each The length engines
boilers viii IA feet abat the
forward a distance q 40 feet
the side the OF
will be rs the
the the keel under the propeller
inches.
Steam engine who bid obtain copy OF
application
department. ISAAC rOlCEY
Secretary Of tho Navy.
lawSeu