![]() Piston engines use the familiar cylinder and piston arrangement and useĮither two or four piston strokes per ignition event. What types of engines use each type of fuel?Ĭome in two “flavors:” piston and turbine. Systems within the engines that use these fuels. JET A1 DENSITY VS TEMPERATURE TABLE FULLInitiate the combustion process eliminating the need for full time ignition These fuels is lower, the associated pressures required inside combustionĮngines are lower, resulting in simpler engine designs. Variety of carbon chains that are more stable under a wider range ofĪdditionally, because the auto ignition temperature for ![]() The other hand are created earlier in the refining process and contain a wider Ignition fuels will tend to ignite unevenly under sufficient pressure, aĬondition known as knock or detonation, which can quickly lead to engineĬonsidered ignition fuels, and require a spark plug to initiate the combustion Simultaneously more energetic and less stable. Process, the carbon compounds that make up the fuel are more consistent and ![]() Simply put, ignition fuels are a mixture of lighter, more volatile compounds that require a specific ignition source to burn controllably.īecause ignition fuels are created later in the refining Refer to “ Why Does Jet A Fuel Cost Less than 100LL (Avgas) Fuel?” for additional details on the refining process. Ignition fuels and compression fuels are differentiated by a host of material properties that are a result of the refining process. What Differentiates Compression Fuels and Ignition Fuels? Ignition fuels are aviation (AvGas) and automotive (MoGas) gasolines. There areĮffectively two different types of fuel in use in combustion engines, “compression fuels” and “ignition fuels”.įor the purposes of this discussion are those that require highly compressedįuel air mixtures in order to burn properly, and ignition fuels are those thatĪre ignited using some type of spark or other ignition source.Ĭompression fuels are Jet-A (and its equivalents), diesel and kerosene. In order to understand the specific differences of theseįuels, we need to first discuss the two main types of fuel. What is the difference between avgas, jet fuel, auto fuel, and diesel? Wants to know the differences between all of these fuels. In this post we’ll give youĪll of the information you need to know to give a solid answer to anyone who Question your non-aviation friends will ask you. Important not only for the safety of flight, but it’s also a pretty common Knowing the difference between these fuels is These fuels are all different in the types of engines theyĪre designed for and the combustion and ambient temperature ranges in which Avgas and jet fuel are formulated for the specific operatingĬonditions and engine performance demands associated with aviation. So, what is the difference between avgas, jetĭiesel are designed for piston engines, whereas jet fuel is designed for ![]() There are two primary fuels in use in aviation: avgas andĪutomotive fuel (unleaded gasoline) and diesel, respectively, but have some keyĭifferences in both their properties and ability to be used in aviationĪpplications. ![]()
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