Since the release of the Evolution® 10GX small-block engine, countless modelershave discovered the benefits of gas power in aircraft formerly dominated by the.40-size glow engines. But what about the pilots who enjoy even larger airplanesin the .61- to .91-size range?Bring the fuel efficiency and easyoperation of a gas engine to your sport flying experience with the Evolution15GX engine. Its new pumped carburetor makes fuel flow uniform and consistentregardless of fuel tank location and makes needle valve adjustment easier. It’sbeen designed with a standard beam mount and dimensions that allow it to fitanywhere you might use a .61- to .91-size glow engine. The 15GX will breathe newlife into models designed for glow power. It’s also remarkably lightweight, evenwith the ignition system and battery. What sets the 15GX apart from itsnitro-fueled counterparts is its phenomenal fuel efficiency. It takes only 30%of the gas/petrol to run the 15GX the same amount of time it would to run acomparably sized glow engine. That’s an amazing efficiency level that results ina cost per flight difference of 90% on average to you. All of theEvolution brand gas engines are designed from the start to provide you withexcellent performance at a fraction of your previous operating costs. We havepainstakingly designed each engine to insure a hassle free experience withoutgiving away anything in expected performance or durability.








