Evening star. [volume] (Washington, D.C.) 1854-1972, 1858-08-23
STEAM MACHINERY For SCREW FRO
SPHHatJkER SL0OPS-99661pWAR AT THE Y.
OOSPORI. AN u -PENSAC0I.Ax Z
NAvr DEPAl1MEnr. July Is. isss.

L ..om rldr v Nkvr DEPARTMENT. July q. lass.
ss Raekss1ps 70, 9e% P,or. .s 'Siocs, 81
n,gr.s Viii be received at thls department. until 8
tb- m Of the eighth 81 SePtember next for
and spgendages, and placing the same ON board for
Navy Ydsst fPIo Sqismous f egdp N. a. Ss
~ sae phIa, ana 6osport. On accordance with the
The offers must be for spe,i6o sum for putting
the whole IN sgecessiul operation. must include a
patent fees: and the departmeut will require are
lease from the propnetors Of patented attic or
arrangements used IN or shout the MACHINERY and
mu.t state the time IN which the work viii be com
pieted, and must be accompanied by the saal uar-
The name Of the establis hment in which the work
Is to be executed must be sisted. The details of
the design and arrangement of the machinery will
be eft with the party whose proposition may be
taxes, keeping IN yisw cost simplicity of oonstruo
ton, readiness of access for adjustment when In
the working PARTS It being the object Of the depart
ment 20 procure machinery which can develop great
as many days as possible, while at the same time
they WA be able to propel the vessel at moderate
speed with great economy of fuel. that long voy-
ages may be performed With one supply of coal.
WITH this view, the department will expect the
bidders to guaranty the results proposed to be ac
oomp shed by their plans. and TO specify those re-
suits under the following heads:
lst. The amount Of horse power which the engines
and boers will be able to develop for five DAYS con-
secutiyey when driven u to their highest capacitv
to be measured on board the vessel BY the indicator
at the rate of IS 600 pounds lifted one foot hgh in
minute, and to be not less than Zoo horse power,
and at least 80 revolutions per minute.
The consuT ptiop of Goals per horse power Der
hour must be stated. The pressure IN pounds per
sQuare lnch on the piston necessary to work the
connected snd the engines Without q load, except
the line If sisfing, must not exceed ~ pounds per
square inch of piston by indicator diagram.
I'd. The quantity of coal whIcn can he slowed In
the ship without exceeding the total weight Of 406
tons for mach cry, npPendases, boilers and water
IN them, bunkers, tools, square pIecer, and coal
within the length occupied by the engines and boil
efs, The boilers 70 be of iron of the muitItubular
~ hrQs fnb md VT talo kn
pPe and as it is intended to fresh water in the
boilers, surface condenser of the most approved
the propeller with the connections forshontIng il
will be of composition. to be properly pIoportioned
meIsed amldsh,p section Of the vessel.
The pumps, apparatus for ven'ilatins, and appur.
ing of the whole be OF he most proved kinds.
The coal buRkers, shaft passage. two athwartshiD
water, from which cin be made not less than 500 gal
Ions per Gay, and the tools and duplicate pieces
steam sloop of-wsS. must be included 10 the ptopo
| sItIon. and 4 list of them must be furnished.
out the oead~ood Tor the shaft NECESSARY to sdap
the vesselfor the recep ION Of the machinery, boil
ofhe Savy pepsTsment shd ~ %s permt te ns
Of such facilities AZ II may have for holstng tn,
For the sccommodatIon of the entire steam I'M.
chInery and the fuel there will be allowed in the BODY
OF the ship, the entire space under the spar deck
cormenclug at Is feet abdtt the main mast, ant
| thence extending forward distance of 50 feet.
Within this space II Is expected to carry coal fol
| In the specifications, the daily consumption o.
fuel will be stated also the weight of the machinery
coal, boilers, water them, shaft. and
pendages, with tools and spare work, all of whicf
must not exceed 4t6 tons nt 2,240 pounds.
to the after sIde of the forward stern post will bt
about 81 fset and he distance between the forward
and the after stern posts will he seven feet Thu
from the load water line to the top Of the kee
under the propeller will lie Y feet inch.
The proposal must be accompanied by full spech
/ cations and general drawings. the
OF the centre of gravity at the machinery, boilers
&C., marked on them giving also the capacity Of th,
delivery valves, and OF air pump and outboard de
livery valves, space for steam above the water n
OF the boilers, the ire and CRATE surface also the d.
ameter pitch. surface, and KIND of propeller AM
other principal points, That comparisons can readily
The terms of pas ment will be that, when one hal
OF the materials and labor provided for IN the con
Of the department. there will be made payment q
| y part Of the whole amount of The contract. Whel
erection IN the ship further payment of Is will b
made, and wien q satisfactory trial of seven con
secutIve days shall hayebeeu made, then fuIt he
| payment of 8: and when the ship shall have per
formed satisfactorily at sea for period of thre
months, the remaining sum shall be paid. The re
| pairs necessary during this period from defectiv
workmanship or materials will be at the expense o
II be understood that if the weight and OF he
conditions specified IA the contract be not COMPLIES
whole machinery the contractor To he al the expsns
OF taking II out OF the ship and to refund whateve
amount OF the contract prIce may have been paid.
PROPOSALS will also lie received at the same tim
and place for the steam machinery and appeRdag
and plaoiBg the sfme on board each Of the screw
| Philadelphia, add Pensacola, under the spechca
tons aud conditions shove stated, with variation
| IN the following pariIculars, VIZ:
LIST. Horse power 80 at, at least, 80 revolution
per minute.
I'd. The total weight for machinery, appendsges
boilers and wafer Ia them. bunkers, tools. splr
pieces. and coal must not exceed $40 ions of "A
pounds each. The length occupied by the engine,
and nOlIeTS will cOmmepce Ia Rhaft he ms IN
mast and thence extend forwards distance Of 70 feet
The distance from the after side of the malnmas
TO this after side of the forward post will b
about IS feet The depth from the load water lint
to the top of the keel under the propeller will be
feet 2 inches.
Steam enxIne ma ufacturers who desire to bid Cal
obtain COPY of the sec ION of any of the yes
sells upon making application to the department.
ISAAC TOUCEY,
~ g. lawtSep8 Secretary of the Navy.