The Morning Tulsa daily world. [volume] (Tulsa, Okla.) 1919-1927, 1921-02-06
IMPROVEMENTS
ARE NOT RADICAL
New Auto Handles tue.
Better, Rides Easier, Is
Smoother Running

Visitors 10 the Automobile show,
who do not believe that thurc have
been great Improvement ~ cars
during the yonr 1920. viii ho sur
priscd Whilo II los true that most
of the tcflucWcutH at" Of tho d..
tali mature. ucvctthclcW th"y hav"
been na important lp thoar which
have occurred during amy year since
the beginning uf automobile mani.
tnCtufc The cars Of today handle
Tho prc~sui grade of fucl better
are smoother running have longer
liio. az, moro comfortable 10 drive
aud to Hlt in, ur, moro quiet. and
last but ~ uo mcuut lonst they nrc
uf bctt'r appearance. duo 70 the iu.
corporation of u number pf body
improvements and icfiuomcuts in
fittings
We have heard % great deal ~
tain during the past thrc, ar four
years regarding the hot spot intnkc q
manifold During tho year 1870.
however. some entirely revised Views
on this subject have been brought 10
light. with the result that while we
have hotspots thoy arc altogether
different today than they were throc
years ago, ana really accomplish
what they nro designed for
Tho rcdcsiguiur Of the intake
mHuifolds on automobile cuRin's
Inns been ono ~ the most impur-
taut developments ~ the wear, lly
means of tho improvements In tho
parburctrr and manifold 1t ~ poH-
sihlc for cars Weighing over 5000
pounds ia secure twenty miles ot
more TO the gallon ot gasoline. old
or ears weighing no more. but not
4 4. "A. ..
handling propcut.dn fuel, are got.
ting anywhere between seven and
eleven mnos per EolluI, or only
about 80 per cent ~ the efticieucN
Of the new cars. The results are
not only accomplished bY the de
sign of the intake manifold aud the
manner In which tho exhaust hcal
W. utilized for assisting In the va
porizatlOu OF the fuel hut are al
so duo to tho fact that We are now
over before ana have solved n Rreai
many Problems IN the handling and
distribution Of the intake gascs. ~
that the efficiency of tho opgino u
very much higher. Ia other words
We are more completely burning
the fuel which We are using nnt
ARE getting higher percentage ol
the heat value II contains.
Engineers have learned that n
IL not possible to simply heat d
section of the intake manifold and
expect to get the best results oi
carburction. A great many sclen'
tific problems are involved In what
on the surface seems to be very
simple propositions.
Hy the use OF glass mnnifolds
however, It has been possible tt
study the action OF the intake gases
with the result that the heat is be-
ING placed Mt the points whero II will
do the most good. and 1t IL NO
bcing placed ut the points wher'
1t viii do harm. II has been foun,
necessary by half IA dozen com
panies who thought they hat
solved the problem two years ago
to entirely modify their designs nm,
notably to decrease the amount q
heat utilized. because they found II
summer time the heat was No gren
that the engine did not develop any
whore near its maximum power.
The smoother acting cars ar
largely due to the tact that IN,
crankshaft balance is much mor'
nearly perfect than II was. Ma
chimes have been developed durinl
the year which take the place OF tn,
human eye and human Judgmcn
In the matter ot CrankShaft pai0uc
ing. A crankshaft which In ON ~
balance causes the engine to vibrat'
and is big factor In reducing th'
ultimate power which can be NJ
and not only has the crank
shaft been put into balance on tn
new motors by positive means, bu
means have bcon found to stiffei
the crnnkcRsc and also to lighter
"A number OF the recWruCating part
such ns the connecting rods AM
portions Of the valve mechanism
for noise ana the action ot unbnl
anccd forces. The better distrihu
tion ot the new intake manifold
causing all cylinders Ia fire alilk
has also contributed Il large Hhar
toward the elimination OF Nibra
tion. and is one Of tho factors (
making cars perform better tina
ever before.