The Washington union. [volume] (City of Washington [D.C.]) 1857-1859, 1858-08-25
steam Machinery for screw Propeller SIoops-
of-War at the u 3. Navy Yards OF Ports
mouth, N. H., Boston, New York, PhiIadel-
phia, GOspOrt, and Pensac Ola.


NAVY pErArrsssr' July 20 1875
CEALED PROPOSALS endorsed a. Prog0saLs for
- Se, x,r.ia a. $50 S,,, ~, :, w ,l H h
received az tL denmsn, uni clc. n, f The eighth Of
September next m he eompo q the steam machinery
NJ H. Now York pa and Go.port in accordance wh tho
following conditions
Tho oilers must b, for speac sum for putting the whole IN sue
vii, ra,ra NJ % s , ",s M S az @ ,,snes @ rs,spa r
time n wh the or viii be- comreed and must be aecompauo
BY the usual guarantee required by law.
must bo stated The details Of o design and OF hc ma
a. combining the vrca, number Of Leeuq in
simplicity Of readiness o. adjustment
ing parts being the object Of The Department, 70 procure maclaey
which can develop great power when REQUIRED 80 rs 10 insure h
speed for as many dys a. possible who At ,he same o ,hey NH
proe vessel al moderate speed with great
ooa 80 ' 0s voyages may Do performed WIN ono supply q
with this vew tho department viii expect tho bidders TO
proposed by their
specify those result, under the following heads
Tho OF powor engines
hges capacity 70 be measn o on board o vessel by Tho
at The ste Of pounds lifted one foot high In minute and 70 n
900 power per minute
The consumption per power per
The per inch piston necessary
work tho engines velocity ocng
engines load except the line Of shafng must not
~ pounds per square piston by Diagram
I'd III. quantity which ship without
boilers them bunkers TOOLS square pieces
length occupied by the onsncs boilers The boilers
tho mutiubuar Kind with brass tubes and with tel
oscopic pipe
aurca '' A''' 'pp''''1 A'D' WIN %
propeller with tho connexions for hosting win be Of conpo-
ea., ae,
ue aud for III, atnidsbp section OF tho vessel
pumns venl,,lng and
knds M ,c nc wotiog ~ ,ba o IN b or ,h.
approved Kinds - rN e " - 'N - : ~
The coal bunkers shan passage two awarthp iron bulk heads
dsng apparatus for fresh water from which can be made moi
less han oo gallons per day and the tools and duplicate pieces ne
ceary and satisfactory for an efficient cruising steam so OF
must be Included In tho proposition aud list OF them must be
nished
Tho wood and carpenter work. except the boring out the deawood
for tho shaft necessary 10 aap the vessel o tho reception OF the
machinery boilers and apendnges VIII DO provided at the expense
OF tho Navy Department. aud viii permit ME use OF such facilities
as may have for hosting The heavy machinery ON board
For tho OF tho enie steam machinery ana INC nei
ere VIII DO allowed IN tho o OF tue SNIP he ehro space under
the deck commencing l5 feet aba the main mast and thence
extending forward a distance Of 30 feet
Within this space II y expected to carry coal Tor nvo days stcang
~ inc maximum speed
In the specifications the daily consumption OF fuel VIII be stated
also tho weight OF the machnay coal boilers water In them shaft
opeer ana aleniaSes Win u ana spare work. all oi which
must not exceed 400 tons OF 224O pounds
The distance iro the after sde OF NE manmas 70 tho after SIDE