3 ms·
I'm agree with you about lead is bad, but only oldest designs of aircraft engines depend on lead (they use it as lubricant for valves, as it deposits on surface
by simne 4y ago
I'm agree with you about lead is bad, but only oldest designs of aircraft engines depend on lead (they use it as lubricant for valves, as it deposits on surfaces when gas evaporate).
Because of this, leaded gas still produced in commercial volumes.
Modern aircraft engines could work on unleaded gas, and especially Celera use aircraft diesel engine, working on basically aviation kerosene (with tiny addition of lubricants for diesel equipment).
BTW diesel add about 30% of Celera range.
- S201 4y agoYup, and I really hope we get G100UL distributed widely soon so we can stop having this asinine discussion about how we need to close airports because we're all going to die from the tiny amount of lead they emit. Ideally we could have the FAA promote the certification of newer engine designs so we didn't need to keep flying around with 1940s engine tech as well that relies on lead, but that's another issue.
- simne 4y agoAgree. Each day,decreased number of old cool planes, which flight from 1940s and still in flight condition. I cry every time see, how good maintained old aviation history in US, comparable to exUSSR. Even more impressive, there are examples of old soviet planes in flight condition in US - you will not see them flight in exUSSR. Unfortunately, not all 1940s engines have modern substitutions. For me this is our history. I think it is acceptable to make for them exclusion from rules.
- TylerE 4y ago90% of the world's piston GA fleet is using 80 year old engine designs, so...