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Mysterious delta jet over Texas, a fortnight ago
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30th Mar 2014, 14:25
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BEagle
Join Date: May 1999
Location: Quite near 'An aerodrome somewhere in England'
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Condensation trails can be caused
either
by pressure reduction, for example in wing tip vortices
or
by engine exhausts.
If you ever saw a Buccaneer flying a blown overshoot on a damp day, you'd see a plethora of such pressure reduction trails.
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