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  #1  
Old 11-05-2012, 11:49 AM
Spindrift Spindrift is offline
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 298
Default Why sump your tanks?

Never really found any water in my tanks, and with fuel injection a few drops aren't a big problem. However, living in the Northwest, especially now that I have to park outside at Boeing Field, I always sump just to be sure. Definitely paid off on Friday after 3 weeks of steady rainfall...

http://www.flickr.com/photos/1224546...n/photostream/

(Couldn't get the photo to post, so put in the link)
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  #2  
Old 11-05-2012, 12:03 PM
acroflyrgirl acroflyrgirl is offline
 
Join Date: Jun 2006
Location: Tucson, AZ
Posts: 406
Default H2Ohhhh

Wow, that is a very sobering amount of water.
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  #3  
Old 11-05-2012, 12:27 PM
humptybump humptybump is offline
 
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Location: USA
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Quote:
Originally Posted by Spindrift View Post
Friday after 3 weeks of steady rainfall...
That is impressive (but not in a good way)
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  #4  
Old 11-05-2012, 12:29 PM
Travelair Travelair is offline
 
Join Date: Jan 2010
Location: Bethesda, MD
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I always sump my tanks because I never trust that the FBOs tank theirs.
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  #5  
Old 11-05-2012, 01:01 PM
erich weaver's Avatar
erich weaver erich weaver is offline
 
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Location: santa barbara, CA
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Wow! Check your tank caps and complete maintenance as appropriate

erich
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  #6  
Old 11-05-2012, 01:39 PM
60av8tor 60av8tor is offline
 
Join Date: May 2012
Location: Harrisburg, Pa
Posts: 759
Default

Holy cow!! Always check; never any contamination. I'll remember this pic whenever I'm feeling lazy.
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  #7  
Old 11-05-2012, 02:27 PM
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Ron Lee Ron Lee is offline
 
Join Date: Jun 2005
Posts: 3,275
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Quote:
Originally Posted by erich weaver View Post
Wow! Check your tank caps and complete maintenance as appropriate
Will a perfectly maintained fuel cap allow water in?

Consider taping (or similar) over the fuel caps.
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  #8  
Old 11-05-2012, 02:29 PM
gasman gasman is offline
 
Join Date: Mar 2007
Location: Sonoma County
Posts: 4,143
Default

How did that AV gas get in your rain gauge? ......................



I never trust the caps. Parking outside, I cover them with a small static plastic cover like the press in place sun screens.
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  #9  
Old 11-05-2012, 03:56 PM
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Toobuilder Toobuilder is offline
 
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Location: Mojave
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I picked up a load of water from the tank at the FBO in Hastings, Ne on the return from Osh 11. Thought I got it all before takeoff, but my engine swallowed a big slug of it over the wastelands of Colorado several hours later. It took several tanks of gas and a complete draining of the tanks to finally be completely rid of it. Like the OP, I've never seen that before.
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  #10  
Old 11-05-2012, 04:25 PM
Neal@F14's Avatar
Neal@F14 Neal@F14 is offline
 
Join Date: Aug 2007
Location: Wichita Falls, TX
Posts: 2,182
Default

Quote:
Originally Posted by Ron Lee View Post
Will a perfectly maintained fuel cap allow water in?
Consider taping (or similar) over the fuel caps.
Caps in good condition should do a pretty darn good job of keeping the water out. Mine stayed perfectly water tight during all the rains at Oshkosh 2012 without any tape over them. Taping over them while parked for an extended stay (e.g. camping, etc) sounds like a good idea.

I still religiously sump my tanks anytime there's been the possibility of water getting in them, or after refueling at an unfamiliar airport... especially since I once got about a cup full of brown rusty water in my Cherokee after fueling up at an airport near San Antonio about 11 years ago.
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