Evening star. [volume] (Washington, D.C.) 1854-1972, 1858-08-02
STEAM MACHINERY FOR SCREW PRO-
SPEt;LEK SLooPS oE;WAR At The U.
BOSTON. NEW YOth, P6IL.DELPHIA,
GOSPU II 4, An PENSACOLA.

NAVY DEPARTMENT. July IS. 1853.
SEALED PROPOSALS, endorsed - Proposals far
Siedm hGch merry for sor,tc PTepsii,r SiorPs ~
O'clock r D Of he et%b If sepiembsf pes INF for
tn compete construction of the steam mach,n' ~
s ana sna P,c ,ee same "n a,f nr
:. Navy Yards at Portsmouth, y. H.. New York,
Pm ads phla, ana GospOrt, IN accordance with the
The offers must be fora specific sum for putting
the who.e IN successful operation, must Dclude all
patent fees, and The department will require are
lease from the propnetors 81 any pa'ented aIi,e or
must state the time which the work will be com
pleted, and must he accompanied by the usual uar-
The name of the es.ablishm ent in which the work
10 to he executed must be stated. The details cf
the design anc ARRANGEMENT of the machinery will
he left with the party whose proposit may be ao-
cepted As coEiblnng the greatest number Of agvsn
fakes, keeplng IN view cost simplicity OF censtruc
ton, readiness of access for adjustment when IN
operation, and not being subject TO arrangement an
the working rarts II being object of the depart
mcnt to procure machinery which can cevelop great
power when required so as to insure high speed for
| as mary days as possible, while at the same time
tney will bs able TO propel the vessel az modersts
speed with great economy of fuel. long voy-
| ages NAV be peIf 'rmed with one supply OF coal.
With this view, the department will expect the
BIDDERS TO guaranty the results proposed 10 be
| suits urder the following heads:
LIST. The amount OF horse power which the engines
and boilers will be abe TO develop for hive DAYS con-
secutyeiy when driven to their highest capacIt.
to be measured board the vessel by the ndIca tor
at the rate of 33 oa funds lifted foot high in a
minute, and To Re not less than Ooo horse .poweT
and AZ least 80 revolutions per minute
The cousuu ptIon of cOas per horse power per
hour must be stated. Inc pressure IN pounds per
square inch on the piston necessary to work the
engines at the above velocity, the ,cfew being dis
connected ann tae engines without lead, eI cept
the line If s1sflng, must not exceed IS pounds per
ID. The quantity of coal hich can be slowed IN
the SHIP without exceeding the total weight of a.
tons ior machi err, appendices, boilers and water
| In them bunkers, tools, square pieces. snd coal
within the length occupied ~ the engines aud boil
kind. with brass tuies and with teiescoplo smoke
ppe, and, as II 10 intended to use fresh the
bollsrs, surisce condenser of the most approved
The propeller win the connections for houstIus IL
for At least ~ evoutIons rer minute and for the I'M
mersed amIdshlp section 81 the vessel.
TIE pumps. apparatus for ven'llatIng, and sppur-
tensnces of al Kinds necessary for the perfect
ing Of the whole to be of hs most approved kinds.
The q a. hussers shalt passage. Two thw1TtShp
IRON bulk heads, DISH iIng apparatus for fresh
water, from which can be made not less than gal
Ions per cay and he tools and Duplicate pieces ne
cessaTy and satisfactory for efficient cruI.Irg
steam sloop uf-war, nust bc included IL the pTcpo-
So, on. ana = list of them must b- furnished.
The wood and csrpen erwoIk, except the boring
out the deadwood Tor The shaf necessary to adapt
eLs, and appendases will be provided az the penSe
1.-THE Navy Department. aad 1t will permit the
OF such faciI;Ies as Il may have for hOIstIng the
heavy machinery on board.
For the accommodation uf the entire steam ma
chinery and the fue there viii be allowed in the 30 "
OF Inc chip, The entire Grace under the spsr deck,
thence extending forward Il distance Of ~ feet.
w thin this space IT'S eIpectcd To carry coal for
stcafnlfls al the MAXIMUM speed.
In the spec hczrlons, the daily consumption of
fuel Will be stated also the weight Of the machinery,
pendages, with tools aud spare work sii of which
must not exceed 46 tons Of z,zlo pounds.
the distance from the n or SIDE Of the maInmsst
to the siler sIje of the forward stern posi- Will bs
about 80 ieet, and the dIs lance betx the forward
aud the after stern posts wall be seven feet The
deptn from the load water lac to the top OF the keel
under the propslier viii he - feet inch.
The pICP"ss must Re aeeomPaniet y full speech
oil The centre OF gravity at the machinery, boIers.
&c marked on them, giving Also the capacity of the
tteam cy IndeIs pressure OF stean area of footsnd
delivery valves, aud Of ar pump aud outhoard de-
ofthe boilers. tie hre and CRATE surface SO the d.
aIneter, pitch. surfsce, and kind of propeller aud
other principal points, tnst comparisons can readily
The terms of payment will be thai, when one half
tr,ct hay Iu s A0or Rt1sdde1 ius l me con
"t the department. there vIil he made pa, of
lne whole stall have been comp eied and resdy for
erection in the ship further pay of l6 viii lie
secutive DAYS shall havebeen made, t6tn fGrIher
payment of s; and when the ship tha have per-
months. The TemaIEing sum sbs te rad r RI rec
pairs necessary during this period from defective
workmanship or mater iais VIII he at the expense of
Il is to be understood that if the weirhtsud Of her
CONDITIONS specified m the contract be not complied
wth the department rs Ia he At liberty 90 reject the
whole machinery the contractor to be at the
oi taking u out OF the ship and TO refund whatever
amount OF the contract prIce may have been paId.
PROPOSALS will also he received at the same time
and place for the steam MACHINERY aud aPpegdages.
and plscIng the ssme hoard each of the screw
sloops of war building At tie navy yards at Boston,
fhliaoelPhs, aud Pensac"!a, under the sPec.hcs-
tinns aud conditions above stated, with variations
IN the following particulars,
LIST. Horse power 75' al, al least 80 revolutions
per minute.
I'd. The total weigh. for machinery, appendages,
bIIiers and water IA them. bunkcrs, tools, sp re
pieces. and coal must pot exceed $40 tons of 2lg
pounds each. The ength occupied by the engines
aud boilers will commence IA lee; atait the main
mast and thence extend forward distance Of as feet
The distance from the after-slde Of the manmast
to he after side of the forward ern post will lie
about IS feet. IRE depth from the load water lice
Ia the top of the Keel uLder the propeller WI be9
feet inches.
steam enc Inc ufscturers who desire TO bid can
obtain = copy of the sec ION of any Of the
sells upon making application To he department.
ISAAC TOUCEY,
jy - lawtSep8 Secretary of the Navy.