Water in Gasoline - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 05-13-2007
Fstbttms's Avatar
I don't discuss my member
 
Join Date: Feb 2003
Location: Under a boat, in a marina, in the San Francisco Bay
Posts: 2,109
Thanks: 4
Thanked 21 Times in 21 Posts
Rep Power: 12
Fstbttms will become famous soon enough
Water in Gasoline

I've got appox. 30 gallons of gas with a little water in it stored in a 55-gallon drum. Any ideas on the best way to filter the water out and salvage the fuel? TIA
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 05-13-2007
Senior Member
 
Join Date: May 2006
Posts: 825
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 9
chris_gee is on a distinguished road
Water sinks to the bottom. Dont siphon the gas out thru your lungs. I believe meths absorbs the water,however I suspect it is better to leave it there. The other point is that the octane rating will have declined with time. Depending how long, you will need to boost it with higher grade or discard it or use it as a part mix in your car.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 05-13-2007
Member
 
Join Date: Feb 2006
Location: St Louis, MO
Posts: 16
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
bmunse is on a distinguished road
install a valve in the small bung and position the drum so that the valve is the lowest part of the drum. Let things settle down and then open the valve to let the water off. If the gas has been stored for a while I would give it a good sniff test and then a sticky test. If it smells "not right" or if you get a sticky feel between your fingers then don't use it. The cost of repairs will far exceed the $90 value at the pump today.
Reply With Quote Quick reply to this message Share with Facebook
  #4  
Old 05-13-2007
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
The simplest way is to just pump out all the contents and run it through a baja filter, which you can get at most chandleries, like West Marine, which will separate the water and gasoline. Be aware that if this is gasoline that had ethanol used as an octane booster, its octane level is probably down to about 82...and not suitable for use in most engines without using some sort of canned octane booster.
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
  #5  
Old 05-13-2007
Member
 
Join Date: Feb 2006
Location: St Louis, MO
Posts: 16
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
bmunse is on a distinguished road
I would argue the point with you sailingdog, of which is simpler. Just draining the water off the bottom or pushing it through a filter that you have to go buy. I would agree with your ethanol/heet advice. When you add that to watery fuel, you force the water to combine with the gas. Water will contain contaminents in suspension but separate from the gas, until you put alcohol in. Then its just one big mess of hazerdous waste.
Reply With Quote Quick reply to this message Share with Facebook
  #6  
Old 05-13-2007
hellosailor's Avatar
Senior Member
 
Join Date: Apr 2006
Posts: 10,896
Thanks: 2
Thanked 103 Times in 100 Posts
Rep Power: 10
hellosailor has a spectacular aura about hellosailor has a spectacular aura about
Bear in mind that gasoline is a witches' brew of about 60 fractions and additives designed for a working life of 60-90 days. There's stuff like heptane and butane that just boils out as it sits there. So, if your gasoline is older than that?

Pump, pour, etc the gasoline off the top and when it gts near the contamination at the bottom, transfer it to another taller thinner container and let it decant again, then repeat from the top. When you get down to "that's enough" the rest can usually be dumped at any gasoline station in the waste fuel/oil.

I'd use the salvaged gasoline (with octane booster) mixed into new fuel--not straight. Mixed 1:10 or 1:4 it should burn just fine, anything stronger than that I'd only burn it in a 2-stroke.
Reply With Quote Quick reply to this message Share with Facebook
  #7  
Old 05-13-2007
Fstbttms's Avatar
I don't discuss my member
 
Join Date: Feb 2003
Location: Under a boat, in a marina, in the San Francisco Bay
Posts: 2,109
Thanks: 4
Thanked 21 Times in 21 Posts
Rep Power: 12
Fstbttms will become famous soon enough
Quote:
Originally Posted by hellosailor
Bear in mind that gasoline is a witches' brew of about 60 fractions and additives designed for a working life of 60-90 days. There's stuff like heptane and butane that just boils out as it sits there. So, if your gasoline is older than that?
Yeah, the gas was pumped in November. I wasn't thinking about that. Guess I should find a way to get rid of it. Thanks for all the tips, guys.
Reply With Quote Quick reply to this message Share with Facebook
  #8  
Old 05-13-2007
hellosailor's Avatar
Senior Member
 
Join Date: Apr 2006
Posts: 10,896
Thanks: 2
Thanked 103 Times in 100 Posts
Rep Power: 10
hellosailor has a spectacular aura about hellosailor has a spectacular aura about
"Guess I should find a way to get rid of it."
No treally a problem, gas stations usually will take it in their oil dump for free. But--honest--if you pull the gasoline off the top, the water is all on a separate layer in the bottom, and mixing old gas into new gas isn't a problem. A couple of gallons into each tank, think of it as five dollar discount coupons.
Reply With Quote Quick reply to this message Share with Facebook
  #9  
Old 05-13-2007
Fstbttms's Avatar
I don't discuss my member
 
Join Date: Feb 2003
Location: Under a boat, in a marina, in the San Francisco Bay
Posts: 2,109
Thanks: 4
Thanked 21 Times in 21 Posts
Rep Power: 12
Fstbttms will become famous soon enough
Quote:
Originally Posted by hellosailor
"Guess I should find a way to get rid of it."
No treally a problem, gas stations usually will take it in their oil dump for free. But--honest--if you pull the gasoline off the top, the water is all on a separate layer in the bottom, and mixing old gas into new gas isn't a problem. A couple of gallons into each tank, think of it as five dollar discount coupons.
I read online today that reconditioning old gas means a 5:1 ratio, new to old. That would give me with 180 gallons and really no way to store that much! I suppose I could do it incrementally, but to be honest, that sounds like a PITA. Plus, my engine mechanic is saying 6 or 7 months is too old. Unless someone in the Bay Area wants to come pick it up (it's in a 55-gallon poly drum) I'm gonna find waste facility or something that will take it.
Reply With Quote Quick reply to this message Share with Facebook
  #10  
Old 05-13-2007
Member
 
Join Date: Feb 2006
Location: St Louis, MO
Posts: 16
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
bmunse is on a distinguished road
Ok, I'll bet your grandma has older gas in her 1978 olds than November 06. Your gas is usable unless it is starting to turn to varnish or if someone has used alcohol/heet in it. Drain the water off and use it in your lawn mower and your car. Don't throw it away.
Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Water, Water Everywhere Tania Aebi Cruising Articles 0 06-14-2004 09:00 PM
Basic Thoughts on Tides Jim Sexton Seamanship Articles 0 11-17-2003 08:00 PM


All times are GMT -4. The time now is 08:05 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.