drinkstrolley
Posts: 484
Joined: Tue May 10, 2005 10:50 pm

What's Smoking In This Picture?

Thu Sep 22, 2005 5:47 am

This VS 747 hasn't just touched down (unless it's just flown with a tow truck attached to it for the duration of its flight!) so it's not tyres so what else could it be?

Or is it exhaust from the tow truck?

Cheers!!


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Photo © Piotr Pluciennik

 
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Btriple7
Posts: 1207
Joined: Tue Sep 06, 2005 3:58 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:52 am

The exhaust was probably coming from the engine. When you start up a jet engine a small puff of smoke can normally be seen. I am not sure why (you need an aviation expert for that explanation).

Regards,
Btriple7

[Edited 2005-09-21 22:52:50]
Just...fly.
 
greasespot
Posts: 2955
Joined: Sat Apr 24, 2004 10:48 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:52 am

Start up of the engines. More noticiable on a cooler day.

GS
Sometimes all you can do is look them in the eye and ask " how much did your mom drink when she was pregnant with you?"
 
drinkstrolley
Posts: 484
Joined: Tue May 10, 2005 10:50 pm

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:53 am

I'm not doubting you, but I've never seen that!!
 
dogfighter2111
Posts: 1867
Joined: Tue Nov 09, 2004 3:02 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:55 am

Yer, it is just the engines starting.

If you own a Diesel powered engine (in your car) then when you start the engine, a lot of smoke comes out of the exhaust.

Thanks
Mike
 
B742
Posts: 3562
Joined: Mon Mar 14, 2005 12:48 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:55 am

The smoke usualy happens when a engine starts up, it is very visible on cold mornings or evenings at LHR!

Here's some more examples:

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Photo © David Sullivan
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Photo © Jussi Kettunen



Rob!  Smile
 
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Btriple7
Posts: 1207
Joined: Tue Sep 06, 2005 3:58 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 5:57 am

Here is another pic. Read the remark:


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Photo © Harri Koskinen

Just...fly.
 
drinkstrolley
Posts: 484
Joined: Tue May 10, 2005 10:50 pm

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 6:03 am

Quoting Dogfighter2111 (Reply 4):
If you own a Diesel powered engine (in your car) then when you start the engine, a lot of smoke comes out of the exhaust.

Mine doesn't!! I've got a Transit van as well with a 180,000 miles on the clock and that doesn't smoke either! (Mind you it's rare to get the f*cker started at all these days!!!)

I had no idea these jet engines smoked when it was cold, makes sense I suppose - hot air into cold etc etc.
 
midnights
Posts: 62
Joined: Thu Aug 18, 2005 11:24 pm

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 6:27 am

Fuel vapor.....if the conditions are right (temp, humidity and such) this happens quite often. Also, if the pilot or mechanic running the eng. puts the fuel on even a hair too soon you can get a nice stream of vapor out the tailpipe.
 
dogfighter2111
Posts: 1867
Joined: Tue Nov 09, 2004 3:02 am

RE: What's Smoking In This Picture?

Thu Sep 22, 2005 6:30 am

Quoting Drinkstrolley (Reply 7):

hehe, well my Step Dads Citroen Xantia does. lol

Mind you, that is 10+ years old. (He doesn't want to get rid of it, because it is so reliable. I wish he would though, the shape isn't all that nice  Smile )

Thanks
Mike

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