Evening star. [volume] (Washington, D.C.) 1854-1972, 1858-08-16
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81 So NkHI YARRs OF PoRTsMopTH, n ~, T.,
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NAVY DrpArrMxrr. JuIy IS, la5s.

Gosf6Rr. AND fENsxcoIA. 49, - ma -
s.sE D. .saa1.:a Joy g ~
Steam Machinery for Screw Propeils, Sioops Of
o'clock p m. Of he s,shsh Of seS,s%Sss nssa. Tor
the compists CONSTRUCTION SIT OF the steam paohIn.y
each 81 The screw Sleeps cf1sr sud In a. n: o.
$. Navy Yards at Portsmouth,. n H., New York,
Phfade phia, and 6osport, IN accordance With the
The offers must be for q specific sum for putting
patent fees, and the department viii require re-
lease from the propnetors OF any patented article or
must state the time in which the work Will be COM
peted, and must he accompanied by the usual uar-
The name of The establls hment in which the work
70 TO he executed must be sisted. The details Of
the deslsn and arrangement Of the machinery viii
De ett with the party whose proposition may be ac-
cepted as combining the greatest number OF aovsn
iase', keeping in u. cost simplicity of constIue
operation, and mt being subject arrangement IN
the working parts 1t being the object of tine depart
power when REQUIRED soas to insure high speed for
., s mary days a. possible, while at the same time
asss may Be peIf.rmtd with one supply Of coal.
bidders guaranty the results proposed % he s aS
COMP shed hs TIER plans and to specify those re-
lst The amount Of horse power which the engines
and boilers will be sbie to develop for i've days
seculvely when driven to their highest capacitv
to be measured board the vessel by the indicator
at the rate of So 600 pounds lifted one foot high
minute, and TO be not less than 900 horse power,
| and at least so revolutions per minute
The coosuH ptIon of coals per horse power per
engine. at the above velocity, the Grew being dis
the line Shifting. must not e1oesd sounds hU eer
| square inch of piston by indicator diagram.
the ship without exceeding the total weight Of 4ie
tons too macbI' cry, spsendaees, boilers and water
81 the s and
ers The boilers TO be OF IRON of the multItubu
ppe and as il is intended to use fresh water in the
boilSIs,a surfsce condenser of the most approved
Tine propeller with the conne cions for hosting IL
will be of composition to be properly pTeportioned
ms!sed smidshlp section Of the vessel. ~
The pumps; apparatus for veniIatins, and appur
y of the whole to be Of ths most approved kinds.
The coal buRkers. SHAFT passage, Two athvartshiy
weteT from Which can be made hds Iess than D 500 ts
Ions day, and the tools and duplicate pieces
soop oWa1. must he Scuded ia the pTopo
si,on. ana a list of them must be furnished.
out the desdw ood fdr the shaft nsoesssry to sdap
the vessel for the recep ion of the machinery. boil
oftho Navy Department. and 1t viii permit The u.s.
Of such facilities rs It may have for hosting tn,
For the accommodation of the entire steam ma
chnery and the fuel there will he allowed the
az IS feet sSa the mss s.t sn
thence extending forward distance of 81 feet.
az the 10 fo
| ln the specifications, the daily consumption Of
coal, boilers. water them shaft, propeller and
penaases, with tools and spare work; all of which
The distance from the after side of the malnmasi
60 the si Ter .ide Of hG forward stern post will bt
and the after stern poets will be seven feet The
detth from the load water line to the top Of the kee
under the propeller will be " feet inch.
i n nj ed Inv IN an eclh.
CATIONS and general drawings, having the position
on q, tsf ~. Sf
steam cy linders, pressure oil stea OF foot and
OF n d ss
boilers the lire and crate surface, also the d.
ameteT, pitch. SUFFICE, and kind of propeller ant
be made '''' WIGS -" o'"''
The terms of pay ment will be that, when one hal
Of the materials and labor provided for in the con
tract shall have been completed to the satisfaction
q the q. PaStment there will be made pay msnt Q
| the whole snail have been completed and ready 70
ERECTION IN the ship further payment Of g will b
secutive days shall hsvebeen made, then a furt he
payment offs; and when the ship rhall 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,
| workmansh hi or materials Will be at the expense
II to be understood that if the weis hit and ct he
CON ons specified In the contract be not compet
with, the department is to be liberty reject tn
whole machinery the contractor to be at the
OF taking 10 out OF the ship and to refund whateve
| amount OF the contract price may have been paid.
Proposals will also he received at the same tim,
and piacIpg the same ON board each of tSe scrss
slooIs OF war building at the navy yards at Boston
fions and conditions above stated, with VARIATION
| In the following particulars, VIZ:
| LIST. Horse power 75o at, at least, 80 revolution
I'd. The total weight for machinery, APPENDICES
pieces. and coal must not nos excsed SO tons ~
| pounds each. he length occupied BY the engines