The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-11-25
STEAM MACHINERY FOR SCREW PRO-
PELLER SLOOP-OF-WAR AT THE UNI
TED STATES NAyY-YARD GosPORT,
VIRGINIA.
Navy Department.,

CEALED PROPOSALS, endorsed I" Proposal for
- Machinery Propeller sloopetwar VIII be re
eeyed at this department, nni oeoe q the 2oh Of Noyem
and appcndac either direct acting geaed engines the bidder
so6 building al the United Gospor
ginia, in accordance with the following conditions
operation; patent fees department
win require release from propreiors any patented
which work viii be copleted and be accompanied
csabismenl in which the werk be executed
.a 30 @ stated "a ~ dhs "details @ q ne % ssn ana a H. @ n
combining the number OF advantage keeping view
when operation and being subject arrangement in the
working parts being the object Of the to procure maeh
high speed for a many days as possible while at the same time they
Of fuel that long be performed with supply
With this the VIII The bidders 10 guaranty
the results proposed % be accomplished by their plans and 10 specify
those results under the following heads
l The a horse which The engines and boilers viii
be able develop five days consecuvcy when driven their
the rate Of SO 900 pounds lifted foot high in minute and TO be
not less than 900 horse and at least 30 revolutions min
consumption per power per
engines above velocity disconnected
and the engines without load the line Of aang must not
ID The quantity coal which be slowed in the ship without
water in ,h BUNKER o ,aare poce and coal, within the
length occupied by the and boilers The boilers 70 bo Of iron
pipe and Intended fresh the boilers surface
condenser Of ,e most approved kind win be required
ton properly poporoned per
and with diameter Of twelve feet nchcs and pitch of not
le than 10
pumps apparatus ventaing appurtenauces Of all
kinds the perfect working the whole TO be The most
approved kinds.
disng fresh from which be made moi
less than 500 gallons per day aud the tools and dapeae pieces ne
must be included in the proposition and list Of them mus, be fur
nisled.
seep the boring the deadwood
for the shaf necessary adapt the for the cccpn Of the
machinery boilers and appcndac be provided at the
tho Navy Department and win permit the Of such facilities
as have hosting the henvy machinery board.
For the accommodation the entire machinery and the fuel
there viii be allowed body the ship the entire
under the deck commencing 10 feet abaft the annast and
additional length three feet will be admitted
Within this Is expected TO coal for live days seaming
| at the maximum speed.
specifications daily consumption Of fuel viii be
ale the weight of the machinery coal boilers in thc shaft
propeller appendges with tools spare work. which
pounds geacd engines
used additional weight Of 20 Ions viii be allowed.
the forward will be about 10 feet and the distance between
the forward and b after post will be feet The depth
the load water line to the top Of the keel under the propeller viii
! be IL feet inch.
The proposal accompanied by specifications gen
era drawings having the position o the centre Of gravity Of the ma
chnery boilers marked them also the capacity OF the
pump delivery valves space above
the line Of the boilers tho IRE and surface also the da
pitch surface aud thd of propeller and other principal points
! that comparisons readily be made.
payment win be that, when half Of the materials
provided the shall completed
the satisfaction M the department. there viii he made payment Of
Of the whole amount Of the contract When the whole shall
completed ready erection te ship further
ncnt Of 10 viii be made and when satisfactory trial Of seven CON
shall have been made, then further Of G
shall performed pc
rod Of three months the remaining sum shall be paid The repairs
during this period from detective workmanship materials
| viii be at the expense Of the contractor ft
The weight and other conditions spcci.
cd the contract be not complied with the department TO be at
liberty reject the whole machinery the contractor to bo at the
ersc taking the ship and refund whatever
| ii,e contract price may have been paid.
bidder for both direct acting and geaed engine
! ISAAC ToucEY
Oct 29--1aw4w Secretary Of the Navy.