Pueblo chieftain., 1921-07-10
EXPERT ADVICE
ON CARE OF TIRES
Service Department Of United
States Tire Company
Give Data
CTechnical Service Deps rtment of tbs
United States Tire Coz

United States Tire Coz
In the field of trackiess. freely mo-
bile transportation, rubber tires in tho
period of one generation have almost
completely replaced tires made from
, all other more durable materials on
bicycles, motorcycles, automobiles and
trucks The demand las been more
and more for speed and traction, for
greater comfort in riding and Cor saw
ling of the vehicle aud tho road, auu IN
response to this demand tire couslrr"-
ton has changed and progressed %
rapidly that equipment which four
years ago averaGed 1000 miles ~
constructed at present viii render
more than double that mileage
| In spite of these marked manufsci-
urinE improvements in tire devolol-
ment and in quantity production. I'M
Iprovements that have given stand
ard product and at tho same time tc-
duced its cost hundred per cent +?
the consumer. tho m"torist himself
has not been made to realize how
much additional saving he can add Ivy
giving his tires the same intelliseur
care that he gives TO his motor or
other parts, The motorist has failed
to appreciate that so per cent of the
materials that go into high grade
| pneuma tic tire arc OF vegetable ms
ture. and consequently pcrishsble, aud
| that tho rapidity Of perlsha blenesz de
| nends to a considerable degree on the
| extent of unnecessary exposure of the
tire to detorioratinC combinations OF
moisture. light and heat as well -
avoidable destructive abuses such 40
cute, abrasious and rupturcs.
| Steel tires arc practically immuna
from human abuse, but rubber tires
ere not and their careless destruction
becomes a world wild" economic loss
| with an annual tire bill NJ considerably
more than Sl.oOp,o0O.ooo. BY proper
care ten per cent additional tire mile
age could be obtained which, trans
Hated, means . yearly upkeep SAVING
of over 800 600 900 Early failure Of
corrected by persistent publicity
methods.
Keeping in mind then. that without
rubber tires tho motor vehicle as We
know 1t today could not exist: that
the rubber and cotton in tires are OF
la perishable nature. and have limits in
withstandiuE abuse. aud that by oh
IservinE some simple precautions, ea7-
lily within the ability Of anyone, tire
llfe can bc prolonged ten per cent
Its II not worth while to review the
essentials Of the care and upkeep Of
lrubbr tircs7
y majority Of pneumatic tire fail
ures take tho form Of puncturn or a
blowout Puncturcs are generally cas-
Itly understandable aincc they result
from a sharp suh0tance piercing hoin
casing aud tuho. Well constructed
tires of proper Hizc for tho car do not
purcturc easily or frequently. Be
cause of their feasibility cord COLI
Ietructcd castings puucture less easily
than the square woven fabric type.
| RlowoutE on the other hand may be
ltraccahlc to a long list Of causes. \
lblowout may occasionally affect only
tho tube. More often however It In
wolves both tube and casing, blow
out or rapid leak in the tube alone l5
more often the result nf a tube pinch
caused 10y mounting on improper sitH
or dirty rims. by lack Of soapst"r-
lubricant, hy dirt or rough spots "r
rupture IN tn" casing. by Improperly
lfttinE valve, hv folded Zap or ~
catching IN" tube under the bead.
Reasonable Insurance against tube
pinChiug aud resulting leak or hloN-
out. Is to exercise iniclllEence and Sc
lectiuE tho proper size tube and Nap
! for the casing, keeping the rim In good
condition aud using tar in the a.
scmbly and mounting of these units,
Ordinary hlowouts that effect both
casing and tube arc the result uf a
weakening In the fabric Of the tire
carcass. hll tires blowout In time II
used long enough. but such natural
| failures come late in tir" life. II N
tho blowout resulting from tire Hbu~e
that Ia costly and that must bo avoid
cd n tho tire ~ TO render its full scr
vice.
nh. mos, naErsnt uro abuses. re-
sultiug in premature hlowouts in cas-
ingU. arc; overload, .undcr-intlau" ton,
wheels. driving In car tracks and ruis.
neglected rut7 and improper usc Of
lanti-skid devices, \ brief detailed
discussion Of each ot these major
abuses follows.
/ An tires have a load limit Cont
lgtant slight ~ occasional heavy over
! loads shorten tiro life. To determine
| accurately tn" load carried on q ye-
Irlclc tire, weigh separately the front
land rcar wheels. and divide each
IFyei-ht by two for tho tire lond. To
Ithie can I've added weight nEuroE cor
Responding to tho average front "r
Ircar "a sscuger load The mpNinuln
actual tire load rhould not exceed tho
ycrtisod by rc7pousihl" tire manu-
/ factursrs
! Proper Initiation is ~ important a.
proper loads Tires are built &" trko
! tho place Of Ctael sprinEE or "f -hock
/ absnrbcra differentiation results In
an unnatural flpNnE Of the layers ot
/ fabric which causes separation and
early destruction Of tho tire carcass.
IIf easter riding VS. desired oversize
/ tires may be used and such tires ~
addition to furnishing extra rssilienov:
| Eivc moro traction nr roar wheels and
supply greater mileage. However.
loversisinE tires requires readtuEt
ment Of tho speedometer otherwise
tho recorded distance viii he less than
that actually Travelled
| Princess Natalds * yeas old.
daughter Of King Emms snuel Of ttslt.
| has applied for hcensc to drive her
own automobile The princess hal
taken MI the necessary lessons to
qualify Tor licens. and her psrera