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Uniflite
 BoatUS Boat Groups/Manufacturer Forums>>Uniflite
Subject Topic: Fiberglass Fuel Tanks Post ReplyPost New Topic
 
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B Jensen
"Seaman Recruit"




Joined: December 05 2006
Posts: 21
Posted: December 27 2006 at 22:30 | IP Logged Quote B Jensen

Well folks, here's my story: I own a 1970 36 SS Uniflite and it has fiberglass fuel tanks and I run gasoline.  Previous owner had them made.  2 of them,  150 gallons each and they are located under the cockpit sole.  I scrubbed the Internet trying to get smart about ethanol and the effects on fiberglass tanks (including BoatUS articles).  At the time (earlier this year) I thought I may have dodged the bullet.  My tanks are newer, about 10-11 years old. I was hoping maybe newer resin and maybe resistant.  I'm told they were made using epoxy type resin.  I inspected the tanks. They are solid and very clean inside.  But when I rebuilt one of my carburetors (starboard) for some minor seepage I found the tell tale signs of the chemical reaction between ethanol and fiberglass tanks: tar like droplets on the underside of the butterflies.  Upon further inspection, the intake shows signs of buildup as well.  I pulled the carb off the other engine (port side) and it shows the same signs.  I rebuilt the port engine last year along with the carb and hot tanking the intake.  It should have been clean.

So, now I need to get the tanks out.  They sit on plywood that is on top of the stringers.  I'm not sure they will fit though the hatches. If they do it will be very close and I would have to take the exhaust risers and elbows off and spin the tanks 90 degrees.  Previous owner swears they went in in one piece.  Can I cut them?  Fumes obviously are a concern.

When I do get them out what should I replace them with?  The data concerning ethanol and metal tanks isn't all that great either.  What about plastic tanks?  I've noticed a few companies making them such as Moeller, Todd and Tempo. They are Coast Guard approved, won't rust and are alcohol resistant.  The price seems attractive compared to metal tanks.  I could easily get 2, 85 gallon tanks through the hatches.  170 total gallons seems reasonable to me since I very seldom filled up over 1/2 a tank with 300 gallons.

Sorry for the long post. Appreciate any feedback.

Brooke

 



__________________
Brooke Jensen

1970 Uniflite 36SS "Cherisse Marie"
Poquoson Va.
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BoatRDavid
"Seaman"




Joined: December 14 2006
Posts: 46
Posted: December 27 2006 at 22:56 | IP Logged Quote BoatRDavid

Hello Brooke,

Forutnately, I don't face the same problem.  However, it seems that if you can indeed get them out in tact, then you know what size and shape will go back in.

I don't know about the plastic tanks, but if they are ethanol proof they sound good to me.  I used to use an outboard tank for a temperary diesel tank in my sailboat.  It worked fine eventhough it wasn't designed for diesel.



__________________
David M. Oates

42 Uniflite SE II, Adventure
San Francisco Bay Area
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Ron Dudas
"Seaman Recruit"




Joined: February 07 2001
Posts: 35
Posted: December 28 2006 at 09:39 | IP Logged Quote Ron Dudas

On the main BUS forum there is a guy named Pasgal!  He lives down in Florida and owns a Hat.  He indicated that Hat solved this problem several years ago with a newer tank for E fuel.  Try look for his post or email him @  pg@pam-trading.com

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Ron Dudas

"Teena Maria" 42' Uniflite DC/MY
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B Jensen
"Seaman Recruit"




Joined: December 05 2006
Posts: 21
Posted: December 29 2006 at 21:15 | IP Logged Quote B Jensen

Ron,

I searched all BoatUS forums for Pasgal and didn't get any hits.  I haven't emailed him yet, I was kinda wanting to read what he had to say first.  Am I looking in the right place?

Appreciate your input.



__________________
Brooke Jensen

1970 Uniflite 36SS "Cherisse Marie"
Poquoson Va.
Back to Top Printable version View B Jensen's Profile Search for other posts by B Jensen
 
B Jensen
"Seaman Recruit"




Joined: December 05 2006
Posts: 21
Posted: December 29 2006 at 22:34 | IP Logged Quote B Jensen

Oops, found him. It helps when you you look in the right forum.  I found one thread where PascalG makes a reference to post 1985 FG tanks and I believe thats what made me think I may have dodged a bullet since my tanks were made in the mid 90's. But...I still have the evidence under the carbs and in the intake.

I'm still looking for other post from PascalG but it will take me a little time to read through them.



__________________
Brooke Jensen

1970 Uniflite 36SS "Cherisse Marie"
Poquoson Va.
Back to Top Printable version View B Jensen's Profile Search for other posts by B Jensen
 
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