Evening star. [volume] (Washington, D.C.) 1854-1972, 1858-10-29
STEAM MACHINERY FOR SCREW PRO.
TELLER SLOOP OF WAR Ar THEIiNI
y vED STATES NAVY YARD, GOSPOKT,
Navy DEPtRrxryr oo,obsr G.

NAVY DEPAkTMENr. October n, 1859.
SEALED PROPOSALS, endorsed I" Proposals 10
steam Machinery for Serstc PyopelLsr SIoop OF
o'clock No. De of F fSs S az ShIS until
compete construction of the steam mach ne r, AM
sppendages, either direct acting or geared engines
the same On board the screw sioop OF WI bnid,n,
at the United Ststes Navy Yard st GOsport Viz
The offers must be for a>sp ecii sum Tor putin,
tne Who!e IN successful operation, must incnde al
patent lees. and the department will require re
tease from the propnetOTs of any pa ente AZ OF
arrangement used m or about the machinery anC
must state The time IN which the work will be com
peted, and must be accom- panied b, the us,ts suar
antee required by aw. A1
The name of the establish ment in which the work
rs to be executed must Be stated The details 81
tne design and ARRANGEMENT Of the machinery vii
epted as oo6inins the srsstes SumSs, n De so
RACES, Keeping IN view cost, simplicity of cunstruo
ton, readiness Of access for adjustment when IN
OPERATION and not being subject TO dersng ement 10
the working parts; II being the object of the part
ment TO procure machinery which can develop great
as many days as possible, while ct the sans nm,
they viii be able to propel the at moderate
ages may be psTf,rmsd with one supply of coal,
WITH this view. the department Will expect the
compl shed by tner plans. and to specify those re
suits uGder the following heads:
and boilers will be able TO develop for i've DAYS CON
secutlyey when driven to their hig hest capacity
at the rate Of s. 900 pounds lifted one foot hiaS IN
minute, and to be not less than 900 horse power
and al least ~ revolutions per minute of the prope
The consun Ptlon of oosIs per Horsepower per
houT must be stated. Tine pressure IN pounds Der
square Inch on the piston necessary to work the
engines at the above velocity, the crew being dis
eponneetea ana the enslnes without load, except
square inch of piston by Indicator diagram.
"a. Inc Quantity Of coat WHOM can De slowed 10
the sap without exceeding the total weight for
m13hl cry, sppendagts bOiiers and water in them,
6unkers. tools, square pleces, and coal within the
iengtn occupied By the engines and boilers. rhe
boilers 10 be of iron of the multltuUular kind with
brass tubes and with tee copic smoke pipe, and, as
u Is intended to use fresh water In the boilers s
aured.
The propeller with the connections for hosting !,
Will De OF composition, to be properly proportoned
Tor al least 81 revolutions per minute, and with iii
anstsr OF l. feet inches, and pitch OF not less
The punPs, appiratus for veniilatlnr. and appur
tenances OF II kinds necessary for the perfect work
ing OF the whole TO be OF ,hs most approved kinds
The cSal buRkers. shaft passage. Two atb wartshfp
wStsT from wb,: ui ~ ing aP2sLstus for resb
lons per day, and the tools and duplicate pieces ne
eessary aud satisfactory for an efficient cruising
steam sloop OF wa. must he included the pfopo-
siTon, and list Of them must be furnished.
Inc wood and ssrpen er work. Except the boring
out tne uealVOodJ Tor the shaft iry 10
the vessel for the recep ion of the machinery boil
era: and appendaEes will be provided at the ex pense
OF suoh facilities as It may have for hosting the
heavy machinery on board.
ohnery and the fuel there will be allowed in the bod,
Of the .hlP, the entire space under the spar deck,
. ~,
thence extending forward distance of 80 feet but II
geared engines are used an additional lenst OF
tnree fett Will be admitted.
itha this space II Is expected to carry coal for
hye day s steamInE at the max imum speed.
IN the speclho1tIons, the daily consumption of
fuel will be stated also the weight OF the
coal boilers, water in them shaft propeller and so
must coed 400 tons of M
sngLes ae used an additional weight Of 20 tons will
The distance from the after side of the ma,nmas,
70 the after side Of the forward stern post will be
and the alter stern posts will be seven feet. The
depth from the load water liue the top OF the
under the propeller will he " feet inch.
The proposal must be accompanied by full speech
cations and general drawings, having the position
Of the centre OF fraviy OF the machinery. boilers,
steam cylinders pressure OF steam area of foot and
delivery valves, and or air pump and outbOard de
ofthe boilers the FIRE and grate surface also the d.
ameter, pitch. surftce, and kind of propeller and
9tner principal points. that comparisons can readily
The terms of payment will be that when one half
OF the materlais and labor provided for ia the con-
tIset shall have been completed TO the satisfaction
81 The -pa[tment. there will he made pay ment Of
pa-t Of the whole amount of the contract When
the whole shall have been completed and ready for
made, and wnen a satisfactory Trial of seven CON
secatIve GAPS shall have been made, then further
pay m'eIt .! 2; And when the sh p sha have per
months, the remaining SUN shall be paiJ The re-
paiIs necessary during thls period from defective
- .na,rs VI materials viii be at the ex pense Of
IL Is to be understood that if the ws,ht and hs,
con tohs speoihed IN the contract be not compI ed
with the apartment - to be IeTt, to reiact The
whole machinery the cont To he Al ths ~
Of taking u out OF the ship and to Tefani
Any bidder may propose for Sotb nave a been paid
and tsaied enElas, that the Department may hays
49, So. ISAAC ToUcEY,
0c SooretaFy tha 49,