The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-08-27
steam Machinery for screw Propeller SIoOps-
Of War at the II. 3. Navy Yards OF Ports
mouth, n H., Boston, Now York, Philadel-
phta, GOspOrt, and Pensacola.

NAVY D~AEraAsr, July 40, 1853
GEALED PROPOSALS, endorsed q Proposals. for
~ sam Aaehey for Scrss Propeller sloors " wara wi be
seees a. s department until O'Clock m Of tho eishh u
and appendagss and placing the .a on board Tor each Of ho
H. New York Phadop., ia accordance with the
cessful operation include foes aud tho department
u.s n IRON on s % amy la %
time In which tho work win completed be accompanied
of csabhen, IN which the work executed
qst be stated The details Of o design and Arrangement. Of te
hincry will be e with tho whose proposition accepted
combining the greatest number Of sdvaagos keeping
operation aud being the
ing parts being tho object Of hs dopsrnen. machinery
speed for many days pos.ibic while tho they will
be ube the speed great economy
o. ao 70 that long voyages may DO performed with one supply OF
the results proposed 10 be accomplished by their plans
specify those results under the following hs.is;
DO able 10 develop for Ave consocuey WHOM
tho rslo of a3 900 pounds ed high minute
not less than 900 md Aslea revolutions
Tho per Inch piston necessary
work tho engines at the above velocity the
aud o engines without load except tho line Of .hA,ng
exceed AZ pounds square inch or piston by Indicator diagram
exceeding weight machery appendags
bes and water in them bunser Tools square peccs and Goa.
70 be Of iron Of The multubuar kind wish brass tubes and with
esopc smoke ppc and Intended fresh in the
boilers surface condenser Of tho most approved kind will be
quired.
Tho propeller with the hosns will be compo-
sion 70 be properly poporoned Tor at least 50 revolutions
ute % and for .te Immersed Andship section Of ao vessel
kinda necessary for the perfect working OF the whole TO be Of e
The bunkors passage athwar,p heads.
dsg apparatus for fresh from which be made not
and satisfactory for efficient cruising soop
must be included in tho proposition and list OF them must be
carpenter work. exoep boss
for tho shaft Ada the vessel for tho the
boilers, pr0vded
Of tho Navy Department, and win pornt the Of such facilities
For the accommodation Of the mschary tho fuel
the spar deck Is es .ss hs m ns
extending forward distance OF so feci.
In spocacatons the daily oonsump. Of fuel viii BE-
tho weight machinery COAL boilers them
propeller and appendags with tools sad oil Of which
must not exceed 40e tons Of 2,240 pounds
The from the
OF the forward storm post will be about 90 s sad the distance
forward and the posts will
depth from tho load water line TO e top Of tho keel under hs
The proposal must be by full and
cra drawings having tho position Of she gravity she
s,ea% of .,a.a aos M ..a s.y.ry ,s.
and Of air pump and ouboard delivery ..y p. for steam shove
eter p,c surface and kind OF opos and other principal points
that comparisons readily be made.
and labor provided for in The contract shall have buen completed
part the whole or hs cona When s Whole shall
have completed and ready Me ship farther
will bo made and when satasctry trial
shall have been made then urthe Of 10
and whom the
OF three months the remaining shall be d fAs
during this period FROM defectivs wosksahpa nsis
will be tho expense or the contractor.
Ia to be understood that the weigh. - ether eOadihons s
complied WITH ths
liberty tho whole machinery tho
ponse taking Of the ship snd refund
the price may have been paid.
PROPOSALS will place
machinery and appendges and psaS The board
soops W building he
Philadelphia undor she specifications
above stated variations in the following particulars,
lat power $50 at NJ least - revolutions
ID total weight for machinery sppesAGss boilers aud
thcm bnnkers, TOOLS pieces sad sA exceed $40
pounds The length occupied engines
IA fee, abaf The
furwa a distance Of 40 feet
after side of the As
post will ~ The doph
tho keel propeller
inches.
bid
the upon making application
department kAAC rouCTY,
Secretary 0 the Navy.
July 2o--1awtsep