The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1864-04-28

stsam instead q into the water end MAKES hee ssssn
sss ssss 1i ne -, .s sss'. :: =
gisss red hot through whioh .sssss. - -
!aodsa sc:. iea. y MT w. s - os,1ss sy
q some q our boilers barn. y ihs sss::s': :s
steam, fsas easnos - kspt o the cs.s1s ts
Of beat. in which, Il Sos water b thrown By %:
sss g i -. thus
ulased d taken up water steam must result ana the
~. sSss cham
Der and the amount q no. water tn nnsy s.odi.
e'd :.Ss l:s cf', xs -SeS
processes operate, WHOM tho EXPLOSION b regulated
70 s q b ssss e q
coming directly from the boiler, and bearing with y
q E q ~. very s;s ~ ss. put
her speed about two miles hour end doubt has,
Oass but when il occurs in boiler without regulates
certainly destructive hence steamboat explosions al
the draft spon che boilers - when nrss leaves
the landing and IL making third fourth turn.
90 zoe ana Ss s. shss q.
gns increases the draft upon The boilers fcsmng
Viii psr@is Il AN Al. = ii Soiiss vii you ossrdrss sSe
capacity TO supply steam 1t that pressure q thas no.
n he hos
rhSn . so : so: SSs ssse
do explode whom yon opsn them so that the opening q
safety valve s Of ITSELF cause Of An explosion, e
heard Mr.. Martin and . number Of other very expe-
10 which the boilers exploded undoubtedly from tho
jury ID answer 70 suggestion q ono os The gentlemen.
the disrsoce between The effect OF very high heat and
water into steam suddenly, have brought Mr.. Tyn.
dail's book On heat and refer 10 the 172d page "a
men. Or The jury Those experiments are 10 accordance
with we'll known law that iron heated above degrees
.oas y. s WI Win M On
liquid n the same Way but e lower degrees q heat
wesn wss; n SocsSs h n0s o.
Into steam, ~ IN tho experiment shown BY nr Tyn.
dali; the quantity Of steam which win BE- made Simply
the chamber when the mixture takes place; 10
running boiler with low waser " the surface: become
bot the heat which passes through surfaces
muIaed In the steam room above, whore II exhibits It's
the solds. pipes BY this suporheasd The
titles which involved in producing II, jus.
quantity Of gunpowder win throw bali snort distance,
the gun % that just falls apart and hurts no one and
still more will throw the fragments OF u out OF
ssss % this ss T.. Sos 1 ss Navy
1t quarter before three O'Clock, as has
steam On the gauge As Captain FIebrown testies ave
miles from there she exploded Immediately before tho
cards II position where was Impossible Tor rim to
know anything about the water the boiler Captsin
Tiebroxn wsO. below and the engineer said Is the .ss
expected that would have been the condition Of the eo
gne IL she bad been working hot steam-that is that
engine the best the IL low and the
Is dry the engine throtted OF. the cards
show, at that trial. and the pre- sure Of steam marked
half pound Of the regulation pressure Of IS lbs The
captain theu said be would 60 on deck and
i morally certain that Mr. Cahiii pulled oen Tho
throttle valves to give her tho speed when she to be
the character Of Mr. Cah in 70 that say that
that act has connection on the moral character
y %
supposed there was water 10 tho boilers and be must
aas dome sooo Se 1ss me-
cause the boilers had picked up steam from twenty six
70 thirty aud half in I'VE miles, and he had but
Of two alternatives to prevent the from going
higher than the regulations either 70 open the furnace
doors Or else lot the engine work up % is calculated
and undoubtedly either he or ny other engineer
would have preferred the steam that his hres
making than to open ths hre doors and making
Than nine KNOBS an hour up 70 that time according 70 the
testimony OF the captain and the pilots report meant
reelection the virtue and moral character Of Mr..
CahiiI: Il the water was low At the time whes the
throttle vave pulled open the boiler Was almost
when csastnsa Mr. Davis 70 stand clear from The
Eutaw told him precisely the time when the danger
me .ame ocerssion sIsctiy on the MssscOmst. twin
boat: when the valves lifted but little there but
SCI he Wives o opso wide. "ss Necessary .
eS9: be: ss
nos 70 pen freely % the boilers. 4
Q. To you think the boiler bursssd from aressurs
q plain csse Of explosion q ever have seem NOT
Of bursting BY gradually sccumuatins pressure the
that there vas suiorne.ssa steam there. conclusive
my mind OF the certain indications Of San expo
So M !: ~:
weakest part. which is not possible the rupture 70
suited from gradually accumulated steam; for steam
AZ IN ynlo had
scale with eathers Il here hall hosr 70
increase eight pounds BY gradual increase In looking q
these nd that those Tugs that only three
enough 70 Sheer on two nve-sishth-inoh bolts - Mr.
eighth bos nearly s6s.rsd on supported on both
che lug. and screwed up with nut, nearly sheared OF
s aS S: osy % The *.
Ing supported bent up quarter Of an inch whom y was
screwed up By nut then W 90 further and uS three
quarter pin, which susains only eighth part OF the
.aa m: ass
haps The thirty second part Of ~ inch, and that
also was held on each side Of the angle iron
80 tine lump n where the terrific squeeze
raised T. over tho angle iron support that rested on
sblc for hveeighths OF ron under gradual PRESSURE
endure weight th would four Of those pins that
way, or buckle mp tso q those three quarter bolts
that supported u; and have douss that this one
three quarter bolt placed In jam as y was placed,
the holt this i've cighths would about forty
thousand rounds without breaking, which would be
about eleven thousand pounds the pin that sunk into
the angle iron, eleven thousand pounds would pro
effect ON that pIn than Il would the
Meeting rod Of the engine In the way ofsukng It. Second
~ this boiler had been away by gradual pres
would have parted these Ia their weakest spot
not drawn out through the two holes above here
than quarter Of inch, which two were much
stronger than the weakest part; and then the
top that boiler would have bucked up like
dome. and brought up against the deck not
split from end 10 end through the strongest section:
II Is quite for boilers ~ carry away their
w lear Ov0r thann nd
burst nothing. The prop stion that . boiler will stand
pressure Of sixty pounds Of cold water 10 day and
burst with thirty hvc pounds OF steam to morrow 10
sheer nonsense The lives Of all travellers on steam
boats in this country depend upon The certainty
that that Ia false for the only security which
have 10 tho fact thas tho boiler has been
pumped up with cold water 70 third more pressure
than the steam they carry, which 10 the limit nxed BY
statute law and under which law boiler has ever yes
nixen rax nnlesa hx Iow raiar hu h.,rn,ps 90 ~