Description Item Name 2 Stroke Gas EngineColor SliverMaterial Aluminium AlloyRPM 2000 6000Weight About 2kgSize Of Engine 22 12 15cm L W H Flywheel Diameter 7cmVoltage 3 6VFuel ZIPO oil alcohol concentration above 75 kerosene for lighter NO GASOLINE Manual http myosuploads3 banggood com products 20200305 202003050326191 docxFeatures 1 This engine can burn alcohol The alcohol concentration is not high and the lowest 58 degree liquor can be used and no lubrication is needed 2 Transparent combustion chamber the internal situation can be seen clearly the working process of the two stroke internal combustion engine can be clearly observed and it is convenient to learn the working principle of the internal combustion engine 3 The outside of the combustion chamber is provided with a transparent water cooling sleeve The inside is water The water 360 degrees completely encloses the combustion chamber to cool the combustion chamber It does not need a water pump and automatically circulates When the water temperature reaches 90 degrees or more it is naturally convected Distillation tank the water flows into the tank sandwich to heat the fuel in the middle the fuel is heated more easily and finally sucks into the engine 4 The ignition angle is adjustable When the engine reaches a certain stable speed the ignition angle adjuster is adjusted to pre ignite Adjustable from 0 to 30 degrees find the best ignition angle to achieve the highest engine efficienc