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Author Topic: High altitude contrails  (Read 1085 times)

Offline VooWho

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High altitude contrails
« Reply #15 on: June 16, 2007, 06:56:08 PM »
Contrails would be great to have in AH. Make the contrails a setting that you can enable if you want them or not.
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Offline Corrs

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High altitude contrails
« Reply #16 on: June 16, 2007, 07:03:04 PM »
update airshow smoke to contrails, comes on and off at certain alt, and user ablility to turn on and off in settings
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Offline USRanger

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High altitude contrails
« Reply #17 on: June 17, 2007, 06:31:18 PM »
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Offline USRanger

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High altitude contrails
« Reply #18 on: June 17, 2007, 11:07:58 PM »
Don't know where I got that screenie from.  I saved it along time ago because I thought it looked cool.  Sure is purdy.
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Offline NateWolf

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High altitude contrails
« Reply #19 on: June 18, 2007, 10:43:33 AM »
If airshow smoke doesn't impact performance for your computer, I don't think contrails will do much.
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Offline Traveler

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Is it even possible based on a Standard Day
« Reply #20 on: June 18, 2007, 01:12:45 PM »
Contrails form when hot humid air from hot exhaust mixes with environmental air of low vapor pressure and low temperature.  I think for performance AH uses a “Standard Day”
I have no idea what the vapor pressure is associated with a Standard Day.  Could be that on a Standard Day no visible contrails exists.

As I remember a Standard day was an airtemp of 59* or 15c* and Barometric pressure of 14.7mlb.
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Offline kennyhayes

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High altitude contrails
« Reply #21 on: June 18, 2007, 07:07:54 PM »
Quote
Originally posted by USRanger











COOL!
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Offline Spikes

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High altitude contrails
« Reply #22 on: June 18, 2007, 10:32:29 PM »
want contrails?  shoot your buddy and get 4 fuel leaks...
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Offline Old Sport

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High altitude contrails
« Reply #23 on: June 21, 2007, 01:24:23 PM »
Contrail formation - NACA 1942

This report has diagrams that appear to indicate that over northern Europe trails could form as low as 16K under the right conditions.

I think non-persistent contrails would add a lot and probably be a small performance hit. Should be able to set it up so as to be able to enable or disable them for those with less powerful systems.

Best Regards
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