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Question About Vapor Seen Trailing From C172  
User currently offlineMsh744 From United States of America, joined May 2002, 463 posts, RR: 2
Posted (11 years 8 months 1 week 6 days 6 hours ago) and read 1944 times:

At about 6PM today, I saw an overflying C172/C152 (not sure which) trailing a stream of vapor about (i'm guessing here) 3 feet wide. I was beginning to think that it may be fuel, but I am not sure if cessnas can dump fuel. If anyone could assist me with any furhter info regarding this sighting, that would be great. Thanks in advance! Smile

-Msh744

8 replies: All unread, jump to last
 
User currently offlineBeefmoney From United States of America, joined Oct 2000, 1116 posts, RR: 4
Reply 1, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1936 times:

I also saw a Cessna 172 trailing a "vapor"a few months ago. I think the most likely thing is that the fuel cap came off and the air flowing over the fuel tank opening siphons the fuel out and into the air.

User currently offlineMika From Sweden, joined Jul 2000, 2881 posts, RR: 3
Reply 2, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1927 times:

Or maybe it was a steam powered cessna, who knows  Smile  Nuts

User currently offlineMsh744 From United States of America, joined May 2002, 463 posts, RR: 2
Reply 3, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1928 times:

That clears things up a lot. Thanks!

-Msh744


User currently offlineDufo From Slovenia, joined May 1999, 798 posts, RR: 4
Reply 4, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1929 times:

Well they actually CAN dump fuel - in case you forget to close the over-wing fuel ports - overwing low pressure can suck out 26 gallons of fuel in a couple of minutes!

What you saw was probably excess fuel dripping out of the fuel tank vent (that happens when the tanks are 100% full and the spray-effect can be quite spectacular when at full engine RPM). I witnessed one situation when the tower called a departing cessna to check their fuel ports as they were obviously 'leaking' fuel... but it turned out it was just the excess fuel dripping out.

Regards,
Jernej



I seriously think I just creamed my pants without any influence from any outside variables.
User currently offlineAvroArrow From Canada, joined Sep 2001, 1045 posts, RR: 0
Reply 5, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1910 times:

You have to watch those overflow tubes when doing you walkaround too...it sucks to reek of 100LL after getting dripped on. Not that this ever happened to me of course.  Smile/happy/getting dizzy


Give me a mile of road and I can take you a mile. Give me a mile of runway and I can show you the world.
User currently offlineDufo From Slovenia, joined May 1999, 798 posts, RR: 4
Reply 6, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1905 times:

Yeah, those tubes are really nasty for the hairstyle haha!

BTW AvroArrow, awesome nick  Smile

Jernej



I seriously think I just creamed my pants without any influence from any outside variables.
User currently offlineMsh744 From United States of America, joined May 2002, 463 posts, RR: 2
Reply 7, posted (11 years 8 months 1 week 6 days 5 hours ago) and read 1901 times:

Thanks for all of the info everyone!

-Msh744


User currently offlineAvt007 From Canada, joined Jul 2000, 2132 posts, RR: 5
Reply 8, posted (11 years 8 months 1 week 6 days 2 hours ago) and read 1863 times:

Oh come on, I'm disappointed! Haven't any of you read about chemtrails? Good heavens, I mean, it's a threat to us all! Obviously you are all part of the vast conspiracy that's keeping it all quiet Laugh out loud Man, I gotta stop this. This chemtrail stuff is making my sides hurt from all the laughing.............

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