Any kind of powered airplane can leave contrails under the proper condition. Rocket planes always leave contrails. Jets usually leave contrails but may not if the atmospheric conditions are not right. Even internal combustion engine planes ...
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Chemtrail Central Forum; Chemtrails; Why Do some Planes Leave Contrails... ... Topic: Why Do some Planes Leave Contrails... ... Why Do Some Planes Leave Contrails In The Sky But Not Others ; This is the kind of thing a child will sometimes ask.
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While it is scientifically accepted that normal contrails may persist for hours and spread, ... Jet aircraft leave behind a heated mixture of water, carbon dioxide, nitrogen oxides, sulfates, ... Typically, the filtering of flights below 28,000 ft. is done to remove irrelevant planes on the screen display.
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Jenn Stroud Rossmann, an assistant professor of engineering at Harvey Mudd College, provides this explanation: Jets leave white trails, or contrails, in their wakes for the same reason you can sometimes see your breath. ... Jets leave white trails, or contrails, in their wakes for the same reason you can sometimes see...
www.scientificamerican.com/article.cfm?id=why-do-jets-l... www.scientificamerican.com/article.cfm?id=why-do-jets-leave-a-white
Why Do Some Planes Leave Contrails In The Sky But Not Other ... As you know, a jet's turbine engine sucks in air through a large opening on the front, then spews out the exhaust through a small opening on the back side. As water vapor gets squeezed through the engine it gets denser.
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"They don't disappear," he said. "I've seen planes leave contrails and then I notice them disappear. The chemical sprays do not disappear; they form clouds and we don't know what effect they have on our Earth or our people when it comes down in rain."
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Have a question? Ask it! Know an answer? Share it! ... Sign In Sign Up Login ... History of Jet Planes...
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