Mexico weekly ledger., 1905-12-07
Tue SCANDAL Or aAD RoAns.
tFIea kns.ieAs cesaae.o.. chi.aro.
Editor. American cssSas.or

AA +.
article page 81. Nov. 4.b1 i
The best yet. Unfortunately that /.
very little for you. for / know
no subject which has been 50 gen.
orally mistreated without public dis
credit TO the maitreaters. Witness this
from Engineering Record Oct IA; The
of wide tires upon traction Is
well shown in some experiments made
BY Q. E. Dept. Iowa State COLLEGE
On badly drained earth ruad. subject
90 tcheayy traveI, wide tires (si< In.
iequifed more traction than ~ Ia. did
when there was mud. On we'll built.
wen drained gravel rad, also same Of
cinder. nndsr heavy travel, when ary
and smooth lssin. tires required less
Traction"
Prof. Baker foivii Engineering
u Of Illinois, says: Marrow
tires are much more destructive
on any road. II wagons were
TO be employed only upon the
highways, 10 might be wise 70 use
wide tires md sacrifc. some tncticu
for the benefit Of the roada." Cutting
out narrow tires and their effects on
roads and streets cutting out entire.
ly the sacrifice required Of wide tires
in overcoming the deyilmeat done bv
narrow tires what thinking man viii
dare to say that the pull Of wide tires
is anything but gain
We sacrifice pull. that is roads.
streets. vehicles and horses, by using
narrow tires. Occasionally, however,
we pause long enough in our mad car.
Ger Of destruction to make s.tests.s
But what do we testa Why. eEen the
the Missouri Experiment Station, COM
~paratively good as their ''tests'' are,
Proposed TO have their trials cover
an entire year, fthey covered" more
than 70 monthsl 80 as to be certain
that they embraced all conditions Of
road ssrface usually found This in
q bulletin 1897 entitled Influence of
Width Of Tire on Draft of Wagons ,,
A very much more appropriate title
would be. Effect Of the Usual marrow
tirel Conditions Of Roads on Wide Tire
Draft. This effect even, was not found
because the pail with no narrow tires
in use was not found. This very un-
usual condition is what we want 10
know about and what these .stests''
tell prettymuch nothing about Setting
wide wheels to cure narrow wheel
effects and pull accordingly is one
thing and a very unnecessary thing,
too; allowing them to prevent narrow
wheel effects and not pull fsave pull
accordingly is something very different
indeed. and is absolutely necessary
II We are ever to have really good
roads and streets. vehicles and horses
Bulletin 20. Office OF Road Inquiry.
says Width Of tires is found to have
no effect on the traction(draft on hard
roads. but it has a very decided Of
feet on the condition Of the road
surface, ard the cost Of mainte-
ance." No such thing is found. o
course, for difference in condition
means difference in draft, but why d.
so many think that they think that i
is2 The reason is that in the tests
the wide tire has no wide tire road {,
decidedly effect upon weather occas
ion and DO done with il. but is gener
ally given the road after the decided
ly bad effect Of the narrow tires (hun
dreds or thousands Of them in efec
to one Of the wide has added greatl,
20 the pull Of each tire. For exam
Pile one Of the Missouri tests shows th
wide wheels 70 in } pulling the narros
tire road draft On the 6 inch tire
down 200 lbs. and yet leaving IL up &
S2l lbs. on each, not being able TO &c
IL any lower because rs many narro'
tires as there were wide were kep
busy raising the pull. With no mai
row tires in use the pull woald hay
been kept down to about 100 lbs 70
that road and season. So that til
use Of all-narrow tires raised the pul
Of the road on the wide tires sbou
42l lbs. and their own pull 24s lbi
above the probable normal pull Of tn
wide tires. and keeping one half G
the tires used narrow alternating nal
row and widel prevented any lower
ing of the pull below SCI lbs. on eitht
tire.
In this particu ar co on o til
clay road (rutted So inch'
deep by narrow. tires) the 6 inc
tires pulled lin those rnts) IT'S ID
harder on their first trip than on the
/ second consecutive trip. Yet Stud
baker, the Rock Island Arsenal OF
GERS, and presumably. the Iowa PEI
pie did not make a second trip. hens
they found only the greatest pull
the wide tires whereas they shoul
have tried to find their leas: pull.
One trip tests of wide tires are won
than none. Look at this; n tn
Test Of wide tires. pull--6 In. tire
sci lbs, IL in. tires s4s lbs. sevs
trip test. the seventh pull-e il
tires. SEQ lbs. IL IN. tires ssi lbs
all vide tire tests would give
6 in. tires. 100 lbs. ~ in S4S, Id
Notice what the Rock Island Or
nance Officers got from a q trip sei
7, total load $500 lbs "Macedam roa'
Aug Z. 'G2. 5 in tires 22s lbs. 4 IL
tires 50 lbs. macadam road. Aus. ]
,oa. 5 in. tires ls5 lbs 4 in tires 2
Ibis. According 70 Studehaker tn
sorf Of thing shows that you a hal