Why do jets leave a white trail behind them.

Morgans wrote:


"Matt Whiting" wrote

I still believe that the water contained in the fuel is a small part
of the water contained in the exhaust that is formed when the
hydrocarbon is combusted.


Sure, some, but remember, the piston heavy bombers left a real nice
contrail, at somewhat lower altitudes, and there was no water in that
fuel being burned, no doubt.

Precisely my point. The contrail is formed not from water IN the fuel,
but by water FORMED when the fuel and air are combusted.

Matt