The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1865-07-29
T n & NJ " u TRIAL
Mr.. DickersOn's Challenge to the Navy
Department Accepted.
The WnOoSki Designated by Secretary WelIes
to Compete with the Algonquin.
The Terms and Conditions of the
Contest,
&c., &C.. &c.
WAsmsGroX, July %, 1865.

WAsmSGToY July 2s 1865.
Immediately upon the reception Of the letter Of Mr..
Dckerson challenging trial of the engines Of The AgoB
qun built his supcryi aud direction with any
vessel of "a similar class that might be designated, to
decide the claim of superiority of his engines
OF fuel and development OF power, Secretary Weles
following orders designating the Wpoosk as
the connecting vessel The ordered DECISIVE
than tha, proposed by Mr Dickcrson and the one
usually employe ed, and will be conducted with entire
If the engines OF the Algonquin perform what
il claimed for them and what the contract of Mr. Forbes
provides for they will be accepted and paid for, other
wisc they will be rejected and no further payments
made upon them
Navy DEPARTMENT, July 26. 1865
SR-As the questions to be determined in order 10
close the contract for the machinery OF the Algonquin
be better answered by competitive rlal Of her
machinery against that of the Wnooski whereby greater
accuracy will ob.aHed without tho cost Of lifting ont
the extended trial at the department
has decided TO make trial test Of machinery OF tho
Algonquin, provided for in the contract to dctcr'nne
the amount of power t can develop, aud the cost OF
that power in fuel ntiyely with the machinery oI the
Winooski, in the following manner
The b. placed alongside OF pier on each
side the ydde wheos To be made IN cac, twenty two
feet in edge of padde each paddle TO
feet long and fifteen inches IN BREADTH and To
have It's lower edge at ils deepcs, hhn.rsicn nfio'n
inches below the level ot the water ~ b"hrscd ths
Will enable all the tho bocrs can he rnudo "a
crate to worked OF by the engines Should 1t not,
paddles BE- left out OF the whoes unti thai RESULT
| obtained
The rame quality of coal IS be used both
II will weighed the wharf Il IN nscd, and carried
ON board that the dip of the paddles VIII not te
changed during the trial The smoke pipes 10 have the
height above the level Of the grates All the coal
and all the refuse hererom ~ be carefully weighed
the scales The indicators to be attached, ono
to each end of the cylinder and worked by reducing
lever be tested before being used Tho tempora
rc of the be obtained by thermometers placed
in the steam pipes the engines
log viii be kept for each vessel in which Will be
noted al the end each hour the number the
the number ofrcvolutions per minute during
That hour the average steam pressure ,acu'n VI soh
densef barometer temperatures OF external ar oi engine
room, Of fire room, OF s,cam OF injection water Of ds
charge water and Of feed water.
An Indicator diagram Will be taken a the end " each
half hour both ends OF the cylinder OF both engines.
Tie weight OF coal thrown into the furnace during The
hour to noted The weight Of refuse " To bc
tho end of each watch The throttle valve IN TO
he kept wide open.
beard or chief enginecrs OF the navy with proper
number OF assistant engineers will he directed report
for conducting the trial. taking the obscrv aons
and making the repsr' a. soon as you inform the depart
men that the vessels ready for the trial The engi
will be arranged In regular watches, and viii see
the coal weighed take the indicator diagrams tccp the
When the vessels are ready for the trial the engines
will operated for about five hours TO bring them 10 the
condition Of uniform action The experiment viii then
commence aud for ninety six consecutive hours VIII DO
conducted for economy Of fuel IN propor"h W power
honrs will be conducted with the utmost power tho
| two engines can be made 10 develop.
The machinery OF the Algonquin will be Operated by
his direction The machinery of the winooski will bs
operated according the direction Of the Oh cf OF tho
Bureau of Steam Engineering.
AZ the end OF the experiment the Board Of Chief Eng
neers will report together with any observations they
OF service 70 the department or necessary Tor
information the economy Of the two systems % ma
chney In pounds OF coal Indicated horse power and
the maximum power they could be made " develop,
and pounds of coal per indicated horse power
The commandant OF the New York Navy Yard will bo
directed furnish you the vessels and all the facil
you may require The original logs and diagrams "a b,
forwarded 20 the department with the report Very re-
spectfuly, q wELLEs, Secretary Of the navy
Rear Admiral y. II GREcoRy.
NAVY DEPARTMENT. July 25 1895,
r. Ev,RrTr, Esq., Prcsidens, Board Of Experts, New
York
siR-The department has directed Rear Admiral Greg
% institute the competitive test required by the con
the machinery Of the Winook He will make u at tho
wharf in the city of Now York; and the department VIII
be pleased 10 have many members as may De con
venient OF the board now conducting the comrafavo
experiments boilers for II TO witness the ua, ana 10
make any report suggestions concerning they may
deem proper The departm Mt has gwen similar NV
iation Mr. John Baird and suggest you asf" ae hin
with yourselves The report objections can be made
jointly singly as the members OF the boafd may eject
The object il determine which machinery, az psc a
In the vessel and operated by us designer .an oe mado
relative economy of the power WIN each machintry
operated tho best advantage Tor that purpose you
any objections TO the method o. condu.tn the trhl
a copy OF which herewith enclosed, the doparm HJ
would be peased 10 have them NJ Very respect
fully q. WELiLS, secretary OF thc Navy
The following named gentlemen compose The boar, oc
examination
Hoord Of Eag,pors-Chiof Engineers Robert Darty,
rdw Fhian, Mortimer Kellogg.
B.ard o, Erp,fs--W. y. Everett Novelty Works,
New York VIM. Wright, New York Works Mr. Iruu-
lev Fulton Works; " Corycl. Dry Dock & W Copo-
land Consulting Engineers John Baird Consulting Eur-
ncor engineer ON the Eutaw when she had a.r
tuai by order 81 the Naval Committee.