Why lead reduces knock

In the Sept. 23, issue of General Aviation News, there was a letter to the editor from Jack Thompson, who wrote: “Re: Visser's Voice: Knock free, Aug 26 issue: It is a sad commentary given that the IC engine is such an integral part of aviation that the user community is so ignorant of its operation and engineering issues. What percentage of the users understand the impact of fuel detonation resistance and the if-then relationships of fuel suitability for a given service?” The actual truth is that no one really completely understands the interaction, especially how lead additives work in a fuel to reduce knock. Continue Reading »

===> Posted on October 24th, 2011 by Ben Visser. No comments. © GAN 2011.