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What's Smoking In This Picture?  
User currently offlineDrinkstrolley From , joined Dec 1969, posts, RR:
Posted (8 years 11 months 5 days 1 hour ago) and read 2634 times:

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



9 replies: All unread, jump to last
 
User currently offlineBtriple7 From United States of America, joined Sep 2005, 1161 posts, RR: 8
Reply 1, posted (8 years 11 months 5 days 1 hour ago) and read 2571 times:

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.
User currently offlineGreasespot From Canada, joined Apr 2004, 3079 posts, RR: 20
Reply 2, posted (8 years 11 months 5 days ago) and read 2563 times:

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?"
User currently offlineDrinkstrolley From , joined Dec 1969, posts, RR:
Reply 3, posted (8 years 11 months 5 days ago) and read 2543 times:

I'm not doubting you, but I've never seen that!!

User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Reply 4, posted (8 years 11 months 5 days ago) and read 2521 times:

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


User currently offlineB742 From United Kingdom, joined Mar 2005, 3767 posts, RR: 19
Reply 5, posted (8 years 11 months 5 days ago) and read 2511 times:

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


User currently offlineBtriple7 From United States of America, joined Sep 2005, 1161 posts, RR: 8
Reply 6, posted (8 years 11 months 5 days ago) and read 2477 times:

Here is another pic. Read the remark:


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Photo © Harri Koskinen




Just...fly.
User currently offlineDrinkstrolley From , joined Dec 1969, posts, RR:
Reply 7, posted (8 years 11 months 5 days ago) and read 2420 times:

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.


User currently offlineMidnights From United States of America, joined Aug 2005, 62 posts, RR: 0
Reply 8, posted (8 years 11 months 5 days ago) and read 2359 times:

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.

User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Reply 9, posted (8 years 11 months 5 days ago) and read 2339 times:

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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