Combustible Mixture


Combustible Mixture refers to a mixture of fuel and air that is capable of being ignited and burned. In aviation, the combustible mixture is used in the internal combustion engines of aircraft. The ideal combustible mixture for most aviation gasoline engines is a ratio of 15 parts air to 1 part fuel (15:1). This ratio is known as the stoichiometric mixture. If the mixture is too rich (excess fuel), it can cause engine damage, fouled spark plugs, and excessive carbon buildup. If the mixture is too lean (excess air), it can cause engine roughness, misfires, and overheating. Pilots must carefully monitor and adjust the combustible mixture during flight to ensure optimal engine performance and prevent engine damage.


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