The GAfuels Blog is written by two private pilots concerned about the future availability of fuels for piston-engine aircraft: Dean Billing, Sisters, Ore., an expert on autogas and ethanol, and Kent Misegades, Cary, N.C., an aerospace engineer, aviation sales rep for U-Fuel, and president of EAA1114.
By Dean Billing, director, Aviation Fuel Club
First, let me say, “OCTANE IS NOT AN INDICATION OF POWER”! If you learn nothing from this post, always remember octane is not a specification, or the measurement, of gasoline power or quality. The octane rating is only a measure of a fuel’s ability to burn in a controlled manner, rather than exploding or detonating in an uncontrolled manner. The higher the octane specification the more resistant the fuel is to detonation in a high compression engine.
Now comes the really confusing aspect of octane rating for gasoline. [Read more...]