Simviation Forum - I command

Sep 7^th, 2006 at 8:27am

boyanpilot Offline
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when you press I buton on some planes,its smoke effect.But I wonder what it is in real airplanes,how that snmoke effect creates,do you know or do you have some linke to show,I realy want to know how*? ??? Grin

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Reply #1 - Sep 7^th, 2006 at 10:04am

Hagar Offline
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Smoke is usually produced by introducing diesel oil into the exhaust. The colour can be changed by mixing dye with the diesel. This works on both piston & jet engined aircraft. http://www.raf.mod.uk/reds/dyeteam.html

Some display aircraft are fitted with special smoke generators. These are like small gas turbine engines & work on the same principle.

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Reply #2 - Sep 7^th, 2006 at 5:51pm

boyanpilot Offline
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disel oli into exhaust,but hoe exhaust are in wings,some airplane have it on wings some on tail,like extra 300s,and some jets,I still dont undesrstand,and will they lose thair diesel oil durinf smoke effects...

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Reply #3 - Sep 7^th, 2006 at 6:17pm

Hagar Offline
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Here's a shot of the Sukhoi Su 26 taken at a recent air display. Note the smoke is coming from the engine exhaust stubs.

Now a Folland Gnat. The smoke is coming from the tailpipe of the jet engine.

Here's a shot of the RNAF F-16 with smoke generators on the wingtips. http://www.stevelevien.com/riat02/f16_4.jpg

The diesel oil is a total loss & when the tank is empty the smoke will stop.

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Reply #4 - Sep 8^th, 2006 at 6:12am

boyanpilot Offline
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what that dieseil oli use for in airplane,and is it some extra oli only for smoke or it is use in flight for flying and will somthing haššend to airplane when its gone

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Reply #5 - Sep 8^th, 2006 at 7:44am

Hagar Offline
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The smoke system is completely separate & only fitted to display aircraft. It has no effect on the performance of the aircraft. Read the article from the link I posted in my first reply.

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Reply #6 - Sep 9^th, 2006 at 8:25am

boyanpilot Offline
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are you a real pilot of smoke effected aircrafts Grin

???

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Reply #7 - Sep 9^th, 2006 at 9:15am

Hagar Offline
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Quote:

are you a real pilot of smoke effected aircrafts Grin

???

No but I have worked on the smoke systems. I've also been to a lot of air displays over the years.

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Reply #8 - Sep 10^th, 2006 at 7:15pm

MattNW Offline
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I think that nowdays they use vegetable oil or other non-petroleum oil due to environmental concerns. At least they did so at the Indianpolis airshow.

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Reply #9 - Sep 10^th, 2006 at 7:20pm

Hagar Offline
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Not sure what the military display teams use. It says diesel oil on the Red Arrows site. I've heard they use baby oil on the smaller piston-engined types.

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