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04-28-2009, 03:04 AM
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#1
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Ensign
Join Date: Apr 2009
Posts: 4
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This week's job for my Morgan 33 Out Island is to replace the 50 gallon fuel tank (steel) which is riddled with holes. The yard said we wouldn't be able to get it out, but we did. Any ideas about what the tank should or shouldn't be made from?
Sharon
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04-28-2009, 04:31 AM
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#2
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Admiral
Join Date: Oct 2004
Posts: 3,067
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Sharon
The most common material used in the manufacture of Diesel fuel tanks is aluminium coated steel
(Aluminized steel) The worlds diesel truck and automobile fuel tanks have this material as standard.
For your Morgan - without having the faintest idea as to the shape of the tank you have removed (presume that it was not a rectangular box shape) have you considered more than one tank to replace the 50 gal tank ?? A couple of smaller tanks might be easier to replace - connected so that fuel from flows to the other then to the engine.
If you have to fabricate a tank/s, and if there are outfits that can weld aluminium - consider making it/them from aluminium sheet , make sure that there is inspection/cleaning apertures.
And of course fibre glass tanks are an option. What about WEST (Wood Epoxy Saturation Technique) Check this site for guidance HERE
Richard
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04-29-2009, 01:17 AM
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#3
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Admiral
Join Date: Jul 2004
Posts: 2,098
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Several years ago we were asked to deliver a friend's sailing catamaran to Annapolis for the boat show. We got to the boat yard where his boat was on the hard to find that all the diesel had leaked out of the aluminum fuel tank. The yard pulled the tank out (not easy, because it was glassed in, construction completed after the tank was installed and plumbed. Turns out that some debris had found its way under the tank. Debris such as some copper wire from a sloppy wiring job, a tab-top from a soft drink can, a copper penny, and some other unidentified trash. Electrolysis ate pinholes in the bottom of the tank. That convinced me that I would never put an aluminum tank into my boat.
He ordered a plastic tank and was very happy with it.
Here are links to two suppliers I found just doing a Google search for "plastic fuel tanks"
http://www.incaproducts.com/site/pro...fueltanks.aspx
http://www.oceanlinkinc.com/tanks/gas-diesel.htm
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04-29-2009, 01:36 AM
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#4
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Admiral
Join Date: Oct 2004
Posts: 3,067
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Jeanne,
What excellent websites - we should keep for our database.
Richard
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06-01-2009, 09:19 AM
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#5
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Ensign
Join Date: Feb 2009
Posts: 11
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Hello
We have had this boat for 5 years it was built in 1980 and carries 300ltrs of diesel fuel in one tank, the tank is a fiberglass construction and so far shows no signs of failing,
all the best.
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08-07-2009, 12:12 PM
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#6
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Ensign
Join Date: Oct 2008
Posts: 3
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I live in australia , I left the boat 6 months and when i returned the bilge was full of diesel.
I tracked it down to corrision in the alloy tank, and quite a big hole, it was brought on by the diesel inlet cover on deck, it had a worn out rubber type O ring seal, which let a fair bit of water settle on the bottom of the tank.
I sorted out the options for replacement and opted for the replacement tank made to order, out of plastic. I'm totaly sold that is the way to go, no corrision problems, lighter than metal, and the level is easy seen thru the plastic, even better when a light is shone on the top or sides.
Warango tanks in Sydney gave me the best quote, but don't expect delivery for 2 weeks if it is custom made.
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08-07-2009, 12:19 PM
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#7
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Admiral
Join Date: Oct 2004
Posts: 3,067
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Overproof,
Gives us a contact for Warango in Sydney -- would be useful for Aussie cruisers
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09-30-2009, 12:03 PM
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#8
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Ensign
Join Date: Oct 2007
Posts: 1
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Quote:
Originally Posted by weetamo44
This week's job for my Morgan 33 Out Island is to replace the 50 gallon fuel tank (steel) which is riddled with holes. The yard said we wouldn't be able to get it out, but we did. Any ideas about what the tank should or shouldn't be made from?
Sharon
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As it is allowed in my country I laminated three layers glass with EPOXY in 2 unused compartments in my Catamaran and never ever had a problem (since 1988). Though not really necessary I painted the inside with fuel grade epoxy paint too (Jotun, that is what you find in the big tankers).
Something else unusual I did: no sump, but big filters, no sump no dirt stirred up in heavy sea, no condensing water, filters are drained daily, but mostly nothing
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01-20-2015, 01:24 AM
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#9
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Ensign
Join Date: Apr 2013
Home Port: Townsville
Vessel Name: Overproof
Posts: 1
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Quote:
Originally Posted by MMNETSEA
Overproof,
Gives us a contact for Warango in Sydney -- would be useful for Aussie cruisers
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sorry being so late, I spelt the name wrong They are called Wrengco Tanks
Custom Made Holding Tanks for storage Marine, Boat, Holding, Yacht, Campervan, Caravan, RV, Motorhome - Sydney, Melbourne, Adelaide, Perth, Brisbane, Queensland. Australia
based in Sydney Australia.
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01-22-2015, 05:28 AM
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#10
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Moderator
Join Date: Jun 2007
Home Port: Washington DC
Vessel Name: SV Mahdee
Posts: 3,236
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Thanks for the link--better late than never, right?
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01-23-2015, 01:17 AM
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#11
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Admiral
Join Date: May 2011
Home Port: Bundarra, NSW
Vessel Name: None
Posts: 1,556
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Over five years? That's gotta be a record.
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"The cure for anything is salt water... sweat, tears, or the sea" -- Isak Dinesen
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