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Originally posted by luxordelphi
reply to post by Aloysius the Gaul
Turbo-props rarely leave contrails because they usually fly too low.
So if turbo-props were to rarely fly too low, would they usually leave contrails?
Originally posted by luxordelphi
reply to post by Aloysius the Gaul
Turbo-props rarely leave contrails because they usually fly too low.
So if turbo-props were to rarely fly too low, would they usually leave contrails?
Originally posted by luxordelphi
reply to post by Uncinus
Now yes, you could be complaining about there being too many persistent contrails. Or you could complain that the air force uses too much chaff in training, or that local water authorities do too much cloud seeding. Or that there's a lot of pollution.
So we've reached half-time and we're entertaining the fact that things don't look right; just not in agreement on what to call them or what they may or may not contain. I've been to the 'Chaplain' and come away not satisfied. 'The monolith cranks slowly' but I wouldn't say that it's just trudging around. (Meaning that the truth comes out eventually.)
On required avionics, Boeing would only say that modified, current-generation, airline flight management systems plus new 2 GHz data link units should be able to handle the company’s future concept. But a Boeing spokesman added paradoxically that general aviation could get by with a device similar to a "low-cost GPS."
Chemical and metal particulate and nano introduction into the troposphere, stratosphere, mesosphere etc. is seriously harmful to life.
Do you think: "it's a shame those persistent contrails are inadvertently covering up the blue sky", or "that's not right, they must be deliberately spraying something there"? Or what?
Originally posted by luxordelphi
reply to post by ProudBird
Here's a link on 'free flight' as used in the links you provided. It is unrelated to hang-gliding etc. in this context and has an entirely different meaning. Also about 1/2 way into the article is the writer's description of Boeings' input which is interesting.
www.aviationtoday.com...
On required avionics, Boeing would only say that modified, current-generation, airline flight management systems plus new 2 GHz data link units should be able to handle the company’s future concept. But a Boeing spokesman added paradoxically that general aviation could get by with a device similar to a "low-cost GPS."
Well...yes, such would be less than healthful, most likely. But, why mention it when it isn't even happening?
If you are referring to some of the many suggestions being studied when and if the climate problems become so dire that *we* collectively as Humanity find it necessary to implement a solution, out of self preservation then
Originally posted by luxordelphi
It's happened before in secret and/or in 'safety' so why wouldn't it be hapening now? That doesn't make any sense. It's gone on before. Patterns of behavior can change but generally a catalyst like true desire or other impetus is needed. Without a consequence for past actions why would there be a change in the present?
Originally posted by Aloysius the Gaul
In terms of air traffic in hte USA - it appears the major US airlines are flying longer average sectors, and the larger network airlines are flying larger aircraft (more seats)
Average daily departures are down - but the number of hours flown is actually up - probably a function of the longer routes.
The home page for these stats
Most photos from the 60s and 70s have rather garish colors. It's to do with the films used at the time, such as KodaChrome.
But that's not the question - the questions was about the contrails. Do you think they are being deliberately sprayed?
Scientists have long known that recollection of color is always more vibrant than the actual color.
Originally posted by luxordelphi
reply to post by Uncinus
Most photos from the 60s and 70s have rather garish colors. It's to do with the films used at the time, such as KodaChrome.
Some of those colors were from Fuji - the green box.
But that's not the question - the questions was about the contrails. Do you think they are being deliberately sprayed?
I'm surprised at you...asking me a trick question. I thought we were pals.
Scientists have long known that recollection of color is always more vibrant than the actual color.
What does that mean? Scientists have known alot of things for long or short times and then they didn't know them anymore because they are disproven. Non-theoretical scientists observe. So do I. Are you saying that everything is illusion and agreed upon reality? The color of the sky is only valid if a group agrees on it? My observations are only valid if I can get a group, say scientists or ping-pong players to agree on it? Are you saying I shouldn't be observing anything before reading the manual on what's allowed or not allowed?
In terms of aircraft numbers, Flight published an airliner census detailing every individual airliner currently in service from 1957 onwards and these too are on the archive for perusal.