air temperature i guessOriginally posted by bismarck:normally when i see planes flying ard, i dont see smoke trails..
but why this 1?
High altitudes, low temperature, water condenses almost instantly. If you're sitting directly behind the engine, you don't see any trails yet, it only starts trailing near the tail end.Originally posted by bismarck:normally when i see planes flying ard, i dont see smoke trails..
but why this 1?