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Originally posted by fireyaguns
reply to post by Chadwickus
Not sure what you mean.
What are you talking about not working?
Maybe your here to throw this thread off topic also. We get it friend you don't understand arial geo engineering. Your welcome to start your own theads on contrails.edit on 1-3-2013 by fireyaguns because: add
Originally posted by stars15k
Because now, unfortunately, contrails are seen in the sky and are the norm.
Notice I say contrails. There is no such thing as "chemtrails."
It's not programming, it's reality. There are more planes, flying more people to more places every single day. If you want no contrails, everyone should just stop flying.
Originally posted by NONPOINT21
Actually there are less flights now then 15 years ago. So that argument is invalid.
Originally posted by NONPOINT21
Actually there are less flights now then 15 years ago. So that argument is invalid.
Originally posted by Galadriel
Unless I was at an airshow, I never saw contrails/chemtrails - whatever -- except for a very tiny, short line behind a jet flying so high I could barely see it. It never left long trails in the sky, and the trail never latest for more than a few minutes and then was gone. This was true my entire life until more recently, when the skies changed.
This is, naturally, a rather rare condition and is the intermediate between the two commoner phenomena of (a) the air is unsaturated and no vapour trail is formed, and (b) the air is supersaturated to the extent that the vapour trails formed persist, and, under favourable circumstances, may even spread.
VAPOUR TRAILS Views of Well-known Test Pilot I WISH to correct the various erroneous statements that have appeared in the correspondence columns of Flight concerning the origin of aircraft vapour trails. The trails referred to are, without doubt, due to the condensation of the water vapour content of the engine exhaust gases; this condensation will always occur under favourable conditions of humidity and temperature at high altitudes. I have myself frequently observed these trails from the cockpit of a high-flying aircraft in the very act of formation at the exit of the exhaust pipes. The formation of a short trail, or, as Mr. Dixon has expressed if, a trail "like the wake of a boat," is merely the prelude to the formation of the familiar "permanent" condensation trail which will occur when the aircraft in question runs into more favourable atmospheric conditions. Another type of trail which may be induced by the passage of an aircraft through air of high relative humidity may well be termed an " adiabatic trail," since it has its derivation in the adiabatic cooling of the air concerned to below its dew point
The other was to get the first-ever photographs from above of a formation making contrails at 40,000ft. Fortunately, very persistent trails were forming at the prescribed height—so much so that in flying a local circuit—via the Firth of Forth and Chelmsford ! —our own trails were still apparent on the return journey.
Another consideration is the length of the contrail: it may persist, and stretch from horizon to horizon; or it may be quickly re-absorbed, giving the effect simply of a short plume.
Originally posted by profundus
I'd like to watch some old classic movies, to see if there are any "lingering contrails" in any of the scenes. Surely, there has to be something from back in the day, that PROVES they've been there, all along. I know they have PLENTY of "lingering contrails" in today's movies. What about back in the day, about 60 or so years ago?edit on 1-3-2013 by profundus because: (no reason given)
Originally posted by profundus
I'd like to watch some old classic movies, to see if there are any "lingering contrails" in any of the scenes. Surely, there has to be something from back in the day, that PROVES they've been there, all along. I know they have PLENTY of "lingering contrails" in today's movies. What about back in the day, about 60 or so years ago?
Originally posted by _BoneZ_ "Nothing else needs to be said."
PROVE your picture is from 1940. Some of you need to work on your "reasonable doubt" side. I've got pictures with "lingering contrails" and photoshop. Your point is MUTE! Hardly considered "proof" or "facts". Nothing you show can be considered "facts". Nothing the chemtrail side can show as "fact" either. None of us have the "facts" about anything.
Originally posted by _BoneZ_
Originally posted by profundus
I'd like to watch some old classic movies, to see if there are any "lingering contrails" in any of the scenes. Surely, there has to be something from back in the day, that PROVES they've been there, all along. I know they have PLENTY of "lingering contrails" in today's movies. What about back in the day, about 60 or so years ago?
Are you being serious? You must not have read this entire thread. I posted a photo from the 1960's and a photo from the 1940's on the previous page showing persistent contrails.
You can see more photos of persistent contrails through the years here:
contrailscience.com...
Originally posted by network dude
reply to post by RoScoLaz
and what is the chemical makeup of the lines in your picture?
Are they chemtrails, or are they contrails?