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A nitro engine generally refers to an engine powered with a fuel that contains some portion (usually between 10% and 40%) of nitromethane mixed with methanol.Nitromethane is a highly combustible substance that is generally only used in very specifically designed engines found in Top Fuel drag racing and in miniature internal combustion engines in radio control, control line and free flight ...
The amount of air required to burn 1 kg (2.2 lb) of gasoline is 14.7 kg (32 lb), but only 1.7 kg (3.7 lb) of air is required for 1 kg of nitromethane. Since an engine's cylinder can only contain a limited amount of air on each stroke, 8.6 times as much nitromethane as gasoline can be burned in one stroke.
A nitrous oxide engine, or nitrous oxide system (NOS) is an internal combustion engine in which oxygen for burning the fuel comes from the decomposition of nitrous oxide, N 2 O, as well as air. The system increases the engine's power output by allowing fuel to be burned at a higher-than-normal rate, because of the higher partial pressure of ...
The fuel used to power the engine is called Model Engine Fuel, a mixture of methanol (70–40%), castor oil (20%) and nitromethane (10–40%). The Cox line of reed valve engines designed prior to 1960 used a rear reed valve induction system.
Most methanol-fueled model engines, especially those made outside North America, can easily be run on so-called FAI-specification methanol fuel. Such fuel mixtures can be required by the FAI for certain events in so-called FAI "Class F" international competition, that forbid the use of nitromethane as a glow engine fuel component. In contrast ...
In both classes, the cars are either supercharged engines, burning alcohol or can burn nitromethane and be normally aspirated, fuel injected engines. [1] Top Alcohol Dragsters and Funny Cars resemble their nitromethane (Fuel) counterparts, with about half the power of their respective classes.
Hydrazine, [6] [11] ethylene oxide, [12] hydrogen peroxide (especially in its German World War II form as T-Stoff), [13] and nitromethane [14] are common rocket monopropellants. As noted the specific impulse of monopropellants is lower [ 3 ] [ 15 ] than bipropellants and can be found with the Air Force Chemical Equilibrium Specific Impulse Code ...
The nitromethane in many glow fuel blends can cause corrosion of metal parts in model engines, especially four-stroke designs, due to the nitric acid residue formed from combustion of nitromethane-containing fuel, making the use of a so-called "after-run oil" a common practice after a model flying session with a four-stroke glow-engine-powered ...