I recently received a question on octane ratings similar to the questions I typically receive. The reader wanted to know what the rich and lean rating would be for 100, 110, 112, 114 and 118 octane racing gasolines. And what would be the R+M/2 of 80/87, 100/130, 100LL, and 115/145 avgas? The problem here is that […]
Source: http://generalaviationnews.comThe difficulty in determining rich and lean ratings