Avgas (aviation gasoline, also known as aviation spirit in the UK) is an aviation fuel used in aircraft with spark-ignited internal combustion engines. Avgas is distinguished from conventional …

Oct 19, 2007 · With the new 100LL fuels, most refiners add 2 grams of lead and then add toluene concentrate until they meet the rich rating specification of 130, so most new fuels are more like …

Mar 28, 2025 · There are two main categories of aviation fuel: Avgas (Aviation Gasoline), which is used in piston-engine aircraft. Common types include: Avgas 100: High-lead fuel for high …

The Lean Mixture rating is 100 octane (15 octane higher than the comparable 85 MON for unleaded Mogas) but Avgas also has a Rich Mixture rating of 130 which allows higher …

Apr 11, 2022 · Shell was able to produce 100/130 octane, but because of the process used, it was over one hundred times more expensive than normal automotive gasoline. The higher octane …

Various grades and specifications of aviation gasolines and jet fuels are described on this page, see full details here.

The aircraft fuel sold and used at most FBOs and airports is 100LL (low lead) avgas or Jet-A. Let’s take a moment to examine the differences between various aviation fuels. Information …

Jun 6, 2023 · French engineer Eugene J. Houdry developed a process to refine 100/130 avgas, perfecting a new process using a regenerated catalyst to convert vaporized petroleum into …

May 23, 2024 · Including AVGAS 100LL, here's a comprehensive overview of the different types of aviation fuels used in general aviation and ultralight aircraft: Avgas (Aviation Gasoline): …

Jul 19, 2024 · Another type of Avgas is 100/130, also known as “high octane.” The weight of 100/130 Avgas per gallon is slightly higher than 100LL, typically around 6.1 to 6.2 pounds per …