Page 7 Advertisements Column 1

Dominion, Volume 21, Issue 221, 19 June 1928, Page 7

Hew Union MOTOR SPIRIT Stops Motor “Knocks Perhaps you have been puzzled by annoying knocks in the motor of your car. The jerky uneven pull on hills, in traffic, when shifting gears, has made you wonder how the knocking comes about. The answer is detom ation. Let us illustrate with an example of smokeless power in the big guns of the army and navy, . Without smokeless powder modern big guns swiftest and most powerful of fuels now known 4 S’ J .wo Lid not be practical for after only a few shots for use in motor cars. A . 1 with a charge such as dynamite they would be It stops the “k noc k s ” by completely ending de- '* Un^t f° r urt^er use ‘ tonation by causing the gas to keep on deliver- •'* The damage would result from detonation-all jng its expanding power throughout the entire WWff’l the force of the explosion being expended in one length of the piston s stroke. - t > crashing blow against the projectile. Heavy “knocking” in a motor’s cylinder is like I’*" *-r ’ * ' 1111 1 the detonation of a high explosive in the old | Dynamite would be a detonating charge. timC) s b or t-range gun. DETONATION g ut u smo keless” powder is non-detonating. Union’s action is like that of “smokeless” pow-°-what fit is., . . . , < . der in the modern long range guns now used SSfiS". gSZ’fi! p“ jectile fhrcghou. its “ ' h ' of *e world's great navies. ' companied by a sharp, i entire movement through the gun. A tremend- It completely ends the detonation and so comquick report, it tears, ous force is thus unloosed under good control, pletely ends the “knock”. knocks, i£ not properly Here is greater power with less recoil. And pro- Thus lack of power, sluggishness on hills, sputi p controlled. jectiles are thrown several times as far with less tering pick-ups, and the kindred motor ills that 1 ; whether in a cannon or i harm to the guns. detonation and knocking cause, are entirely t J in an automobile engine, < eliminated. s detonation causes a rend* ! Union Motor Spirit is an outstanding non-de- ’ . j j n • Z ( ing, rapid fractional g tonating fuel for motor cars, acting against a Strains on your motor are reduced. Repair i s wear ; llt ? the “ loSftdes * I ( motor’s piston as smokeless powder acts against c° m . e ess frequently. A new joy, a n( ? w r ' M XX EngXr? I the projectile in the gun. It exerts greater power dtwmg soon becomes your prime delight. J ’ wit h l ess “knock” and vibration than ordinary q" r y Union today. Put it to the hardest test you r JjL | detonating motor fuel. ■ know. t j Union Motor Spirit represents the smoothest, Then note the difference is® UNION MOTOR SPIRIT ' m Ws- NON DETONATING . "The running mate to Atlantic Motor Oils” (Pure Paraffin Base) 1 Ilb rAr/ Ask your dealer for the New Atlantic Union Motor I * I Manual, a 48'page illustrated booklet containing I B > Iv' /T invaluable information. If’ W’ ' fe .fiW*.--.- jjr 4. —