New-York tribune., 1871-11-23
UHY STEAM BOILERS EXPLODE.

lNT1 RESTING EXPERIMENTS AT SANDY HOOK.
a large party of scientific went to
Sandy Hook 10y special invitation yesterday, TO Wit
the continuation OF the experiments begun by tho
United Railroad Companies OF Ncw,Jcrscy, at the sug
gCstion and under the immediate direction OF r. B
Stevens Of IohOkcn To determine the cause OF steam
boiler expos Among the Ncw-York engineers pres
Gen. Eclknap, Chief Of the T. s. Board Of su-
ptrvsing Inspectors of steamboats, Erastus W. Smith.
Norman Ward Thurston OF the stevens In
eututc OF Technology and Chas. iiaswe. committee
Of the Franklin Institute Philadelphia, headed by Cole
Scltrs, Mr. Colin. Mechanical Engineer OF tn, Penn
syvama Railroad from Altoona, and others, TO the num-
her ot 20 or more, we're also present.
Tho first cXrcm Ms Of TINS series were made nj no.
hoken the Of September last bursting four large
boilers hy hdrostatc pressure and il Is the intention OF
NJ Stevens continue them daily until the sub
exhausted. large inclosnre on the Government
reservation al Sandy Hook including about an acre OF
Iurud has been erected 10y permission of the Secretary
of War and within eight boilers have been set up with
al; necessary appliances attached. four of them being
e! tic lrc, classes OF marine boilers After all present
Lad the details OF the partitions and exam
The record 81 The p:c experiments, the fire was
:c>cL hocr Nu ., hui III 1855 and taken out OF the
bot III JUN last acr being i'll use - years This boiler
Was dent, al s.i" and general construction with
;h' bOcr Which exploded On the Wc-t,ici. although
,onrwhat smaller. the shell being 81 feet in daihric:
and feet length. Ii was tested 1" 81 0un't wi'
pressure withou; fracture The previous .nd
't hoo ' on 81 lcc.. u i"t 60 r"dn"' 90 'i,'' l o.
pou .ds The noicr icl;an teak si.r'h n'
I,sNuic Go ;ouIdS .Id the leaking nC.' SEQ ." '
ir,S, ,'r', il' ir.Ls }lu: H. L., I'd j,
cNt'u; ant the ttcln escaped - fas rs G'"'i'Ir''
Aft'r T'.n- E"i. a. L'I ;"T thc me- 10 bar o., pa
..-, '' go "r' ,>' e i'i, % - ',,r t "' II; -
drawn altocc'hrr, the steam pressure having G'n"
II % p,ahGs. soon aticr tie hrcs W. I, "!"wn
al fo.n tic sudden rn"i.r and contraction. l,d u,.or
'Aiu,'naou ,hc ho"r was ioud Ia he innch distorted
| 1c wagHn-;op had e,ik down aDout t"o Hcncs, ana
S"t "%T NE innriitunai "oni, Of %r
III. Ii were leaking. While 40 leaks were To he s'"u
doir the transverse seams. Inc rNl" pres ut er''"
rr1 i,r, ions IN, !ld rc allie to Withstand such IN
extraordinary force Of steam and OF course no sasfr
tory c&I'u "u could c drawn iron til, Gxpclnncnl
10 Why other boilers OF lIkc lIc nso"S, ana SEEMINGLY
much H. :Lola Al"I, % ov'n th "li t, & w,
| wthst""d but aiso with - pressure much lower ti'n
thai 10 WEl. they had been ouycticd curing Inc wafer
The second experiment No. c, "A boiler nude
win two il8t surfaces IclIcs'ntH- the water space pt
iN"a tLe HacA,h,@d and 'Ae ;eh ,onc, III non or %i d%
ed win TtaNS spaced III the same ma nci as ~
saS I Sf OF w fhf e %Tsr @ s dc Of sys % ana sim
liar rivcrs the ends. This structure was SCI mp
,ujcGcd 10 Is. ponnis Of ny y1ro'tac pressure n,,
ronG. r I'd % and ' nnrsi cxpasycy tom the pnnc ont
the SAYS at i pounds lhcs>u lh r'" We re- iir"Wn @
20 siCi & o. ,@yg' inIFTH & ~ rn one OF The
parts struck large holcr in which there was low prN-
t,I
IN is inches long, and four inches Wide IRON
VIII; ~ =; consents c.capCi rng thc whole lirl"1t.
with c.oVd OF steam. Nj S'vcns h"d wisely inss'rn
upon hccpug an the spectators 3ol feet away, ana lu
.nc injured In TIN, rr,lncnt y was AGAIN Nl'W'
TINT an cNi,a0rtnary re lS necessary 10 rupture
thc weakest paris Of hHl!rlE, "a ":,iiirHN to
AtruCtcd-niIuClv the hi sliriaccS; ana hcrdIc lnN
~ G,t tit futtrT and di,., ut CAp' :iW"niN nS V"
,Tt a. '"! Wy h"l rs 'NPolc ~ pre-
.lrc- generally lower t,n iu"'r 10 Wh'h holh 'tr
boilers had +, hUbC fc or else l. must he hcII'NH
ti !vI HAT tv mach -I'i'i t'ih mas '' u
4 ilG.clt. ly sfr. II-:1l - ana >iI'lN
v Voc or Iit aC'luG upon me bnci- hUi
lLdcd,rd IS the o!GaLy IL, trca placed upon il'h
HE WI-TlIELD-IIER BOILER INsrECltp.
Inspector T.. X. Matthew'S applied the hydrdn-
lie tc to the Icw boiler OF the Staten leland fcrIyb"at
WrstArld yesterday tho presence Of President Jacoh
N.udrTinN The boiler WAS inspected Tor pressure "l
40 fb which would Il, mtnd. according To the Govern
mtnI standard Us Of ca ID to the square inch
or 81 10 at the Of the iuc Water was forced IN until
The In prc0r AZ The top Of The uc Indicated 81 H.
aitc wlici thorough inSpcctCh was Eauc oi the out
side Of the hoii AID ~ tI fire or' MI Mah' W. Nl"
unurrh thc boiler peri Il ir every Respect ana ibr I"
sustain much greater pr than ~ n. only 10 10
of ~, ain viii ed the ,W lnl"ndcHt oidc!ih"
~, sure cnliiccr was IN CAarEc. hut II WAS re-
purtcd thai engineer VIII rUoh resume Ms
du."s. IIr >tt !d Will make uliS I" N'ai'H i''hd