Evening star. [volume] (Washington, D.C.) 1854-1972, 1858-11-06

SFPEEtia sk Mt sibNp E2t sCF E PE9-
u vEp STATES NAVY YARD, 8OSPUKT,
NAVY Dx,.pr~vx, O.,o

NAVY DErAnrMxsr, October n. iss,
S Wss% M Ma.efS, I. Soi ssTss Pyptisf Soop
Of the ss S,s n.se s1t
compete construction Of the steam mschn. ~ and
a. he Saest msa osSs acting Or s.rsa
"a sane on board the SCREW sioop oi-war building
sus in aass' NayS Ys5d at G0apoTt
q, Ins oners must be for specific SUN for puttias
wnSle IN saecessfa operation, must include al
lease from the propretors Of any patsnte art Ie or
mIaagemcnts used in or about the maobinsry, aud
peted, and must be accom- panied by the usual suar
antee req ulred by aw,
is 70 he executed must be stated. The details Of
me dseslgn and ARRANGEMENT of the machinery will
I'll. numSs Of ava. az sO
,ases, keeping IN VI. oost simplicity of oonstruo
operation and not being subject TO derans ement n
the WORKING parts; IT being the object Of the depart
power when required 30 as to insure hish apeed for
as many days rs possible, while at the same tins
.nsy WI Be able to props tie vessel A. moderate
With This view, the department viii expect the
oompl she'd By their plans and to specify those re-
suits under the following heads:
and boilers will be able to develop Tor i've days CON-
seoutlyey when driven 20 .heir highest capacity
at the rate Of IS 90 pounds lifted one foot his in
minute, aud 10 be not less than 900 horse bower
sT at ieast TeVou'lons per minute OF the propsl
The corsun ptlon, OF Goals per hr Sc power per
square inch on the piston Necessary to WORK he
engines at the above velocity, tho scIew being dis
sng as must osSssd sdhDss
seuars men ol piston By indicator dag ram.
the shin @ snia' "I e"a whl1n 0.I pc slowed in
rnanhlHcry, hPpendaxcs, boilers and water in them
tounsers. tools, square pieces, and coal within the
nnhh
5oers To BE- OF iron of the multi ubulaT kind with
1rass tubes and with tee.ooplo smoke pc, and
mco condenser OF the most approved kind will be re-
The propeller with the connections for ho,,t,,g /,
VII be oi composition, to b- prupefly pIoportoned
llI ~ eaSt ~ Iov0lutions per minute, and with iii
thsn 10 ~ ioet inches' and pitch OF not less
The PUMPS apparatus Tor ven 'ils,rns, and appur
Ing OF the hole to be- of The most APPROX ed kinds
The Goa hun kers, shaft passage Two atbwqrtshir
water. from which can be made no. less than SO gal
ions per day and the tools and drplcate pieces ne
oap "' sS ens the
sIl,oI. emu = list OF ihsm must DO furnished.
out the draoodj t,r the sbs II necssp,tH @p
the vessel Tor the rooep. Of the inanhiGery boil
the Navy Department, snd n viii nermt s
OF suoh taoihtIes as II may have for hosting the
For the acoonImoiaiIo of ths entire steam M,
eainerJ ard tho fuel there will be allowed the boiy
cl the SNIP, the entire space under the spar deck,
thence extending forward distance of 80 foet but if
ge1rsd engines are used an additional length OF
tIIee lest will be admitted.
Wilhin this space is expected to carry coal for
nve daS steanns at the maximum speed.
fuel will be stated also the weight Of the machinery,
COAL boilers, water IN them, shaft, pro Peller and ap
tons Of wRIos
snslr es used an additional weight OF 20 tons WIN
The distance from the after side of the ma,nm,,,
TO the alter side of the forward stern post will be
anon, IS lset and the distance between the forward
5n a the alter stern posts will be seven feet The
depth from the load water line to the top of the keel
under the propeller wilt be v feet noh 0o'
y ne proposal must be accompanied by full speci6-
OF the centre of gravity OF the machinery, boilers
m'Tked or then. giving also the capacity of the
delivery valves, and of air pump and outboard de-.
HxerI waves space for steam above the water line
arneter, pItoh surface, ard kind OF propeller and
Ssner principal points, tnat comparisons can readily
rho terms of payment will be that, when on half
OF me materials and labor provided for in tho con
Irsct shall have been completed to the Satisfaction
3i me a-pa-tment. there will he made payment of
y pa, of the whole amount of the contract When
the whole stall have been completed ard ready for
1,sos'on N the ship further payn ent ofI win lie
secutlve DAYS shall have been made then a further
payment OF =; and when the SIN - shall have per
I"rm ~ satisfactorily at sea for period of three
months, the remaining sum shall he paid The re-
pars necessary during this period from defective
"fknship or materials will be at the sx penss Of
- 20 be understood that if the wei. hit and OF her
onnlItons specified In the contract be mot cornIIed
w'h, the department is TO be st hetty 10 raecf he
who machinery the cont or TO be at the ,nse
ol taxing out OF the ship and to refund .sieyeI
amount a the contract price may have been paid
any odde! may propose for both n dlreat acting
nd Seared engine, that the Department may have
lie election.
ISAAC TOUCEY,
&C E.-Lavt<nnov Secretary of the Navy.