Simviation Forum - Air trails

Mar 23^rd, 2007 at 5:28pm

Recency Offline
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Hello again:
Have another problem. How do you set air trails for an aircraft that I have added? What are the paremeter in the aircraft.cfg?

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Reply #1 - Mar 23^rd, 2007 at 5:29pm

ozzy72 Offline
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Do you mean contrails?

There are two types of aeroplane, Spitfires and everything else that wishes it was a Spitfire!

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Reply #2 - Mar 23^rd, 2007 at 5:32pm

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Colonel
WooHoooo

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Yes, wasnt sure of the name. I have no contrails for this plane that I have added and want them.

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Reply #3 - Mar 23^rd, 2007 at 5:37pm

ozzy72 Offline
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Altitude and air temp. might have an effect on things. How high have you taken this plane?

There are two types of aeroplane, Spitfires and everything else that wishes it was a Spitfire!

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Reply #4 - Mar 23^rd, 2007 at 5:43pm

Recency Offline
Colonel
WooHoooo

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Well, about 24000feet. When I fly the default planes this high (24000), I get the contrails. So I am guessing that it would be the same for the plane that I have added.

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Reply #5 - Mar 23^rd, 2007 at 7:13pm

BAW0343 Offline
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I depends on Air temp and other conditions, its not part of the aircraft. Its the sim that puts them in. Ive flown at FL300 and havent gotten contrails, and I have also flown lower and got them. Its all about the weather on this.

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Reply #6 - Mar 23^rd, 2007 at 7:19pm

An-225 Ex Member

What BAW said. Also, with the standard weather theme, they trail out at about 28,000ft. Wink

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Reply #7 - Mar 23^rd, 2007 at 7:20pm

Nick N Ex Member
I Fly Sim!

The term is 'contrails'

If there is nothing in the aircraft.cfg file that directs the sim to ignore the default system for contrails, then they should display based on the correct conditions and altitude.

That can be overridden by the configuration file. Sometimes aircraft have a FX file call for contrails or changes to the levels at which the trails will display. If the FX the file was not included with the aircraft and it is listed in the file, the contrails will not display.

It is possible the aircraft was designed for FS9 and has entries in the config file that are not correct either because the developer made a mistake or the aircraft has undergone several hand offs from freeware to freeware developer and the FX file was lost in the shuffle somewhere.

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Reply #8 - Mar 23^rd, 2007 at 11:40pm

Falcon500 Offline
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well i dont know about FSX (although i have it i dont have the computer for it) but the contrails might not appear because your "plane" is a prop or turboprop

try putting

max_contrail_temperature = -25

after the

[GeneralEngineData]

markers in the aircraft .cfg

(note this works in FS9 im not sure about FSX)

What do I do you ask? I struggle! Then destroy! Then try to put back together what I just broke on accident.....&&&&&&&&&& The GMax effect The GMax effect

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Reply #9 - Mar 24^th, 2007 at 3:07pm

Recency Offline
Colonel
WooHoooo

Posts: 96

Thanks to all for the input.

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