The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-11-19
STEAM MACHINERY FOR SCREW PRO
PELLER SLOOP-OF-WAR AT THE UNI
TED STATES MAYNARD GOsPoRT,
VIRGINIA.
Navy Department. !,

C,EALED PROPOSALS, endorsed Proposal for
- Machinery Propeller siospofw VIII DO re
eeyed at this department until O'Clock M q the 2o'h Noye
and appndage either direct acting eeared engines as t edaer
consider preferable aud placing the same on board Tue screw
sloopwar building yard at Gospor VIZ
ginla, in accordance with the following conditions
eca operation include al patent fees aud tho department
sansen, u IN or @b, Re machinery and mus, state the
time In which the work will be completed and must be accompanied
The establishment which the be executed
chnery viii be left with the party whose be accepted
combining the number advantages keeping IN view
when operation and being subject arrangement IN the
working parts beng The oee. o. the department % procure ns,n
high speed r as many days az possible while a, the same Tim they
fuel that long may be performed with supply
with this view the department expect guaranty
the results proposed 10 be accomplished by they plans and to specify
1t The amount Of horse power engines
be able TO develop days coneuiiyey when driven p Their
capacity board the vessel by tue Indicator
the Of So 600 pounds lifted foot high ma minute and TO BIO
not less than power snd at least 50 revolutions per min
consumption per power per hour must be stated
work the engines the above velocity being
exceed az pounds per square inch q piston by indicator diagram
3D. The quantity Of COZ, which can be slowed in the ship whou,
% a S NV , a and ne ~ nolers q be Of iron
tho Kind tubes aud with eescopc smoke
pipe and intended fresh water in the boilers surface
condenser Of the most approved Kind viii be required
The propeller with the for hosting will be q compost
ton TO be properly popoonc for al least SO revolutions per min
and Win diameter Of twelve feet inches and pitch Of not
lie than ~ feet
The pumps apparatus vcnaing appurtenances OF all
kinds necessary for the perfect working oil the whole TO be the most
bunkers passage ahwartshp bulkeads
dlng apparatus for fresh from which c,D be made not
less than 500 gallons day and the tools and duplicate pieces
ccssay satisfactory efficient cruising sloclownr
must be ncled in the proposition and list Of them mst be tur
nished-
The wood and work the boring ont the deadwood
shaft necessary adapt for the reception Of tho
machinery boilers appendagcs viii be provided at the expense
Of The Navy department and = viii permit the use Of sac facilities
may have for hosting the heavy machinery on board
For the accommodation Of the entire steam machinery ana me iue
there will allowed the body Of the ship the entire space
under the deck commencing 10 feet aba the nnnns ana
ar S an aama na d three feet 81 viii &C.
within this expected TO coal for 1--WE days eamng
at the maximum speed.
In the specifications the daily consumption fuel viii be stated
aie the weight Of the machinery coal boilers water IN them shalt
propeller appendages with tools work. all of which
224o pounds but gared engines
used additional weight Of 20 tons will be allowed
post will be 70 feet and the distance between
forward and Tho after VIII be seven feet The depth
the load water line to the TOP Of the keel under the propeller
| be IL inch.
era drawings having the position OF the centre OF gravity o. te mn
ehcry boilers marked them giving also the capacity o. me
pump and cupboard delivery valves space for steam above
line the boilers the fire and CRATE surface also the dam
pitch surface and kind OF propeller and other principal points
| that comparisons readily be made.
The OF win be tat when one half o the materials
labor provided for in the contract shall have been completed 10
the department. there viii be made payment Of
OF the whole amount Of the contract When tho whole shan
will be made when satisfactory trial Of seven co
shall have mae then further payment Of ~;
shall performed satisfactorily at for Pc
riod Of three months the remaining sum shall be pail Inc repairs
necessary during this period from defective or materials
will be a the expense OF the contractor
understood the weight and other conditions spec
fed n the contract be not complied with
liberty reject whole machinery the TO he at the
pense taking the ship and refund whatever amount OF
the price may have been paid.
ANY bidder for both direct acting and
| that the department may have the election -
] Oct 29--1awIw secretary tile Navy