New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1864-11-24

other by the space Of two inches actual measurement
and also found bus moved out OF position longtudinay
FIR that the end oil the har but half inch from
The etge oftbe supporting chair
Tho tIaiD in passing over the track, depresses tic
seepers forcing out lost Ghen the greund Is dry aud
mud when wet This constant vibration OF the track
oosens the spikes, breaks tie lower edge of the bars
and also the clamp OF .be char when tho latter is made
Of cas-. iron, may bo by inspecting or roads in
daily Csc.
TIE eleepers upon which the ends ~ the bars rest
having the support only Of that part Of the bar which
proi,ts beyond the accent sleeper, arc. BY the weight
OF the passing train depressed below the average level
the other scepers that tie train descends al each
pint and Iiscs again II leaves i. producing bioW
b. no enlent Of the train.
This depression also increases the space be
tween tho bars and the wheels STRIFE success
lively the ends OF tie bars forcing them apart to Ne e.
treme limit Of their separations and u from any cave
saoh the concentration itO space of con- der
abe number OF the spaces allowed for expansion, and II
IN ado ION this there hos been want Of 10 tac
temporauro a. the lBe the bans were lad, and which
requires accurate ug ent tso space becomes increased
until ii 10 too great at point; the end Ok the bar -
struck lie ueeu blow by tie wheel OF tie advancing
trnin forced oil Il. chair and beat BROKEN aud the
si,or knocked Of ito place. And these resuifs
folow with mo- t.uty il the train have side lugch
u. one Il these loorc ,pints
These 10 not al of the evils resulting directly from
def. Give structure. There are some who maintain
that texture Of is changed by constant oorods.
slon 40 that a rolled bar which vAen now IL Lbrons,
viii after period Of use become crys,aDc. END bctee
brittle
Tho following extract from recent newspaper ait.
Gle = to the point;
Perhaps r. may throw some nghtupon the matter TO
repe,t here whGt veteran railgay engineer of &c
nov led SKILL, some 'lx years ago, 10 ycGnKi
brother Of the profession Nahin ten years sad IRE
engineer ron will hear of frequent and I'll Gccldct
an oar American railways.
They via Increase Ia an extent when vii b. absJ
lnte.y appalling. IAe wood and iron which tne
wheel. Of he trains run csn last but certain tins. ~
present they are mostly new qua inc danger Of Wnch
SPEAK does not exist bat they Val continue - o1s
sound The eye until their texture las been changed ~
tAe constant hamme.ing Of the heavily loaded wheels,
aI,d lien they viii suddenly give way.
he passage Of the wheels owe. the IRON rails Is COZ
slant succession IL heavy blows. Ihe wheels ao net
g.ie smoothly the track II they dd, they wOn'
glOui noise. the contrary they beat tue tal
The wheel so'a loses It's perfect circular IoI ane ne
l. at partule from that iOrn confined viii rdpaiy
Oi movement, converts IL into a hammer
Now this baitoFiHg Of The wheel suifces is effected
nuoh more rapidly IT, insead.of smooth continuous
lsurfee to roll upon. the wheels should have they
thc contrary at every third revolution. strike the
end Of bor. with the IN cross section Of tie bar eE
posed the shock 4 space oftvo inches between the
bars viii allow carwhee OF oflidary size TO descen!
ilto the gap eboG, .eRh Of an iach so that we have
IN tic tr.in battef!ns ram Oh immense power u
which TIE cnds Of tbs separated bans sustain the ial
fJico II the c0rcCssion.
In making inquiry uto accidents. our attention Is ,
Liable be absorbed ia consideration OF The ro.e In
mediate and obvious results such displaced s!eepcr'
inctured or benz rns broken md mangIel bodies
but # would nye iyae the canses Of these disasters
We are to look step back OF these obvious effects
back Of defective rail aud sleeper eyen sad We ~
lind constitutional de.sos. end in the structure OF iho
roid Itself active causes r the tending and brcakiag
OF rails ior tie displacement 81 sepers. for tic rapid
wearing OF wheels on, Of true and hr tie wesAen'
iag of tie rails ~ the batering ttty receive from
wheels Dat Themselves battered ca, VI Siie.c by
striking The enis ofilo bars.
In effect rail track Is pei; o, parallel chaiH-
with long lnsr except that the links not joined to-
geter bus e Ia detached sections upon the s.ecpers
y III largo freedom Of movement II the ends.
Assuming that We have good road bed. good mate.
ral. suitable care &C.. tue further problem Is to bald
a track which shall have;
l. Sufficient elasticity without much ybrsiory move
ment.
g continuous surface bearing tread" md thus
avoid those gaps between the bars watch arc 80 de-
,lfuctiye to both rail and rolling stocS.
B. Such loaing Of the bars that they have continu
ous sustaining power at the joints equally with the mid
ftLe bars thus avoiding the principal cause Of uue
qu.l vibration OF the track. namcly. ,he GREATER lie
preston Of tie joa ecpcn. and consequent plugging
OF the train.
Can our inventors give us the adequate solntioai