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uneven puikon
g knocks in the motor o f
in traffic, ' when
shifting
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“
an example of. smokeless powder in the big
Without smokeless
* S R i W n b ^ > < ’ owerful
çxplônon, always accom ­
panied by *a sharp,' quick
’r e p o r t a i t tears; jerk s,
pounds and knocks, if not
prbperly^controllea. ’ ‘
W hether i n a ’ ca n n o n , or
in ln *au tom ob ile engine,
'detonation causes aren d -
ing/rapid frictional wear. < «
i» i,
forcejknown.tojcxplosive
^engineers!
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,,wv
_____ _
In combination with Union Non-Detonating Gaso-
ic it reprere.its the smoothest, swiftest and most pow-
Ful of fuels now known for use in motor cars.
only a few shots with a
charge such.as.dynamite they would be unfit for fur­
ther use.
<
T h e damage would result from detonation— all ther
force of the explosion being expended in one crashing
blow against the projectile.
Dynamite would be a detonating charge.
•/*
*
•
•
1U H U i i i I t o “ smokeless * powder is swr-detonating.
I t stops the “ knocks” by completely ending detona-
tion— by causing the gas to keep on delivering its
expanding power throughout the entire length of the
piston’s stroke.^
,
•Heavy
Heavy “ knocking”
knocking in a motor’s
motor s cylinder is like the
J
—
—
A
_
.
_
_
r
L.^.1.
a
k
a
k
M
1
U.A. in the
K A X old-time,
V 1 z-1 »VrV XV short- _
detonation of a high explosive
range g u n /
a
■ „ „ t tlroueh tht t m . A trcmendols force is thus
- •
u n ‘ b iid u ‘ n d c T g o o d - ’ controL
'
U n io n -E th yl’s action is like that of “ smokeless” '
txwder
the modem lone-ranee nfles, now used on
the dreadnaughts of the world’s great navies.
Here is greater power with less recoil. And projectiles
a rt thrown several times as far .with less harm to the
It completely ends the detonation and so completely
ends the “ knock.1
guns.
Union Gasoline has always been an outstanding non-
detonating fu e l for motor earsy acting against a motor’s
piston as - smokeless
acts against the projectile
-------- r powder
--------------—
.
1»
rtrtlirxr
li^e ^kniW*k**
in a gun. . I t exerts greater power with
.withL lest
knock
and vibration than ordinary detonating gasoline.
And now comes the E th y l com pound a highly ef-
fective agent that science has developed after years of
ill further control. detonation
tests and actual
in a motor fuel.
Thus lack of power, sluggishness on hills, sputtering
•
•
-------- nation
pick-ups,
and the kindred » motor
ilk that ana
detonation
nocking
cause,
are
entirely
eliminated.
knockini
Strains on your motor are reduced. Repair bills
m m » less frequently- A new joy» a new th rill in
raving soon becomes your prim e delight.
j — Um on*£thyl today» Put it to the hardest tests1
vou bnow.
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MA
The Colot has nothing
to do with the Quality.
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