i dont believe in chem trails but why so many planes fly over the cities

[Pudfark]

Lead is an abrasive. New car engines wear less than old "leaded" ones.

Proof?
Conventional aircraft engines burn 100 octane leaded gas. Their TBO after, 60 years is the same. Why? They burn the same leaded abrasive fuel.

[5./JG27.Farber]

Originally Posted by Pudfark

Lead is an abrasive. New car engines wear less than old "leaded" ones.

Proof?
Conventional aircraft engines burn 100 octane leaded gas. Their TBO after, 60 years is the same. Why? They burn the same leaded abrasive fuel.

Whats TBO?

So you are telling me Lead is abrasive to Steel? What? Please explain.

[pencon]

I guess if all the jetliners skipped the airports and landed on deserted country roads that would make you happy?

[retrojet]

chemtrails.jpg

Don't hold your breath...but it's a breath-taking shot!