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08-19-2022, 10:35 AM
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#1
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Veteran Member
City: Abingdon, Virginia
Join Date: Dec 2015
Posts: 28
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DeFever 40 Passagemaker diesel fuel tanks
A couple of quick questions re this Jensen Marine build (1973 - 1976):
1. What material was used for tanks?
2. Is there a "questimate" of longevity before replacement is needed?
Thanks.
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08-20-2022, 03:21 PM
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#2
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Veteran Member
City: Pocomoke City, md
Vessel Model: Boatless
Join Date: Oct 2007
Posts: 29
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here are some pictures of my old and new tanks. Jim
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08-20-2022, 03:25 PM
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#3
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Veteran Member
City: Pocomoke City, md
Vessel Model: Boatless
Join Date: Oct 2007
Posts: 29
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The old tanks were replaced when new motors were installed.
Original tanks were 33 years old. Thought I'd replace them while
I was at it.
Jim
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11-08-2023, 07:35 AM
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#4
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Veteran Member
City: Abingdon, Virginia
Join Date: Dec 2015
Posts: 28
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Fuel Tank Baffles
Jim: Do you recall the arrangement of the baffles in your old diesel tanks? Thanks.
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11-08-2023, 08:46 AM
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#5
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Veteran Member
City: Pocomoke City, md
Vessel Model: Boatless
Join Date: Oct 2007
Posts: 29
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Here are some pictures of the old tanks.
pix 3 shows the inside of the top section where the fuel gauge is located.
pix 5 shows the top section where the fill hose is located.
pix 6 shows a cross section of the tank. left vertical is the top. right vertical is the bottom. piece on the ground is against the hull.
pix 7 shows the new tanks.
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11-08-2023, 09:47 AM
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#6
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Guru
City: Oconto, WI
Vessel Name: Best Alternative
Vessel Model: 36 Albin Aft Cabin
Join Date: Oct 2012
Posts: 3,103
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Those tanks are cold rolled steel. They usually last between 39 and 40 years, then fail either on the tops or bottoms.
pete
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11-08-2023, 09:51 AM
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#7
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Veteran Member
City: Abingdon, Virginia
Join Date: Dec 2015
Posts: 28
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Fuel Tank Baffles
Thanks for the pictures, Jim. Dave
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11-08-2023, 10:33 AM
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#8
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Veteran Member
City: Abingdon, Virginia
Join Date: Dec 2015
Posts: 28
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Fuel Tank Baffles
Pete: Thanks for the longevity estimate. Dave
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