The sun. [volume] (New York [N.Y.]) 1833-1916, 1865-09-25
THE TRIAL or NAVAL ENGINES.

very large number Of spectators assembled on
Saturday and yesterday al the dock foo, Of Dolsncey
street, TO witness the trial Of engines In progress
on board Of tho United States steamers Winooski
and Algonquin. Hundreds OF people were also sd
mitied board OF the two yosses and curiously in
specied the arrangements and working Of tho two
engnes The scientific men quietly notod the power
snd merits Of the diFcrout engines, or discussed, In
subdued tones, the chance. Of each TO win In the
trial hut the ignoranus,c' pulled up by q oonceit
Of their own knovledrc OF "stcam machinery" an
uoycd the others b. expressing, In loud tonos, orn-
ions that generally the second hand uterahees
of other sturI,, Who did not know the difference
between cylinder md steam Ghost This class II
visitors intulged In often to bet the winner and
vauntnsly dec ared they could uano the vcsol that
would he "twonty miles ahead" Al The conclusion Of
the trial. A. tn, rs reporter v,its> the two yeUol.
for the purpose of furnishing the plhlie Will ,ho
latest information in rcgnrt the rogIe,s made thu.
iaf, he declined 10 note" the speeches and ro'sps ~
these ou,siders, except far nay e necoisary to
make known tie general interest that has been
excited In the community by this trial Of marine
engines. During yesterday At least I've thounAnd
persons visited the wtarf
on hoard of the Wiuooski everything secmed to TO
WORKING smooth, and In good order os ing doubt
to the fact that th, veue! il con p'tely cgupped,
and has on board large force Of officers and veil lis
clpued men, who take charre ~ the engine, handle
the coal, manage the fires and boilers VITA such
promptuess and rcEullity that very much Is gained
the noo'ki 10y these facilities. II IL also note
worthy fact that tho poppet valves on the winoosh
are set " "cut of" at one-tnrd, thus obtaining
| srty-tiI per cent. moro eNpAns0n than Chief En-
flueer IshorWood in hr books itclare. /, profitable to
employ on engines having cutoff. Az the prin ip'c
I
10 be obtained by the c,piuson Of steam, It is very
evident that the engineer Of tho Winooski Ia receive
ins all the advantage he can obtain By cutting od
and expanding. In short, ho IL practically endorsing
Mr. Dickersou's theory OF e,pan,ion, and Obtaining
thcreby all the aivantAe the engine on board Of
the Wlnoo,ki can accomplish IN this rosp Ct.
Tho Winooski carries very lo~ Wator Ia her boilers,
hut danger Of explosion iesred, osing to the
constant supervision of tkilfI enrlnoo's who man
are the feed Of vator with great and precision.
An impression prevails TN. the procure Of steam,
rs carried and recorded upon the two y,s'os, ind-
cates the respective power of tho two engines Tho
engine Of the Winooaki can he run on - very low
pressure while that Of the Algonquin requiros .
mach hifher pressure for the expansion, which sub
ssquenty takes place. II H. therefore, undersood
that this question Of pressure - not aloct the result
OF the trial.
On Saturday both engines were WORKED somewhat
eSperiinentally the Wrnoorki raia,nf up y four
O'Clock ZONE tiyc Luaitod revolutions ana consume
Ing three hundred pound. OF coal more nan her al
iowance. The Algonquin was uch.nd on revolutions
bu' 40 far ahead on coal that tho had balance OF
20 pounds In her favor A, the trial II based upon
"fp'ed aud economy Of fuel" this would give
The Algonquin adyantare OF tao hours over her ol-
ponent. In other words, the 5,Z0 pounds OF coal 10
equivalent 10 the number Of revolutions that may be
obtained by burning the incl Ia tue tI'nace'' puIlhs
ss'uIdh' night the Algonquin -oIsed aiosd ith
rapldity which surprised every one. She gairci on
the Wnooski $50 revolutions, making At times hoIn
10 to IT revolutions iper minute. A'9lS sunday
morning the counters stood thus
| xxahVhilln' ~
| "HVosAl .............'' 'tr..'.'.'.
n,r.. ..... $50
At 10 O'clock the Algonquln's friends claim mat she
had 40 lbs OF coal ahead Of the "iLo''sI uhcon-
sdmed. The Algonquin repori LEAK hOanu q DOH
In the lower steam chest bonnet The los SHOWS mat
, nor o. nooa .taam eccentric HoIAihs 49,