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1977 Skipjack 24' Built in Fuel Tank is Leaking
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Bob Fisher
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Joined: 22 Dec 2003
Posts: 1136
Location: WorldWide

PostPosted: Sun Aug 07, 2011 4:09 pm    Post subject: PROJECT FISHING BOATS:SKIPJACK 24' Leaking Fuel Tank Reply with quote

The problem goes way back to when I first bought the boat. It had a been sitting for 10-12 years in the guys driveway and had about 60 gals of bad fuel in the tank.

I drained most of it out but never had the tank cleaned. There was water and visible growth in the tank. I filled the tank and started using the boat but I had consistent fuel problems.

Now that it's leaking I'm going to have to get rid of the tank altogether and get a new tank.

Apart from the time and the money I guess it's a good thing because I'm sure it will run fine after that and I'll just be be able to fire it up and go out fishing again!

The next question (skipper) is to try and determine what size tank I need? Roughly how many gallons per hour would you estimate a 24' Deep-V fiberglass boat with 307 chev would use?

I was thinking of getting one of these:

http://www.moellermarine.com/aftermarket/fuel_storage_tanks/permanent_tanks/

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rusty
Forum MODERATOR Fishing in Esperance


Joined: 24 Sep 2007
Posts: 307
Location: Esperance, Western Australia

PostPosted: Sun Aug 07, 2011 1:04 am    Post subject: boat repairs etc ! Reply with quote

Good to see you are still in circulation Bob Surprised not heard from you in ages apart from the dragon chatting to you occasionally, i too have the big boat out of circulation at the moment, have lifted the hull off of the trailer and am in the middle of sand blasting the trailer to bar metal and priming and under coating before Karl my son and i coat it with jetty anti foul as this is better that galvanizeing it, the original paint job left a lot to be desired and the trailer was starting to rust pretty badly in places so we replaced some of the tubing adn completely stripped it to the bare metal stage and then the weather gods let ripp with rain and winds etc, will send some pics as soon as aye, you been fishing of late, i have just started to chase salmon for fun last couple of weeks also getting into some large kgs and sand whiting but not much else, anyways am off for now as lots to do being the small time farmer i am.
Hope the boat tank planns out for you mate, i use nulon fuel stabiliser for mine and have never had a stale fuel issue, i just used the boat recentley after not using it fot 5 mths due to back probbs and it was all a /ok! maybe the fuel in usa is different to ours here???

ok bye for now mate Wink

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Bob Fisher
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Joined: 22 Dec 2003
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PostPosted: Sat Aug 06, 2011 2:49 pm    Post subject: 1977 Skipjack 24' Built-in aluminum fuel tank is leaking Reply with quote

1977 Skipjack 24' Built-in aluminum fuel tank is leaking


Hey Ross,

You are totally correct. However, after I get the fuel tank out I want to get a smaller one. The current one is 80 gals. I can't afford to fill it and I never have the time these days to use that much fuel on an outing. That brings into play another issue which is stale fuel, condensation and microbial growth when the fuel sits for too long. This is what I've been dealing with for the past couple of years constantly changing filters and adding various conditioning products etc... It would be nice mate to just be able to start her up and take her for run without all of these issues. The motor, outdrive and electrical have all been done....

So, I was thinking currently it's 80 gals - half that is 40... maybe that is not enough. So then I thought 60 but maybe that is too much and now I'm thinking the midway point between those two i.e. 50 gals....

However, this is not the correct way for me to calculate the desired size of a new tank. This is the correct way --> How many gallons per hour do I use? How far is the longest trip that I plan on taking? Double that and and then add running around and a safety factor...

First things first. I have to find someone in the Stockton, Ca or Central Valley, Delta area who can drain the 40-50 gals of bad fuel that is sitting in there.

I'm going to ask the folks at the marina about this today and then I'm going to look for someone in this region who can cut the section of the floor out above the tank. It needs to be a fine cut (diamond tip blade or something like that?)

I'll keep you up to date with what transpires. We need to catch up on the phone mate. How goes it back in Aus? Do you have any chance at all to go fishing these days?



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The tank is under the floor - forward of the engine cover
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1977_Skipjack_24.jpg



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Ross Compe
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Joined: 18 Aug 2008
Posts: 1304
Location: Perth Western Australia

PostPosted: Sat Aug 06, 2011 11:03 am    Post subject: Fuel Tank Repairs Reply with quote

Tough break Bob! I presume you have an alumunium fuel tank and it will require degasing before welding.
Great to see safety first old buddy and getting that classic 'Skipjack' back in order.
Talking to the the specialists that work with aluminium and small tanks might help.
Regards
Ross Compe
'Postcards from the Ledge'

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Bob Fisher
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PostPosted: Sat Aug 06, 2011 4:34 am    Post subject: 1977 Skipjack 24' Built in Fuel Tank is Leaking Reply with quote

1977 Skipjack 24' Built-in fuel tank is leaking

Well, the plans for this weekend have just gone out the door!

I was going to run the boat out in the Delta on both Saturday and Sunday and hopefully get everything sorted out so that I could finally go fishing.

I went over tonight to do a preliminary check but there was a strong smell of fuel and obviously signs of a major leak coming from the tank.

The bigger problem is that the fuel tank is sealed under the fiberglass floor which will need to be cut out so that the tank can be removed.

With limited time available these days I may have to bite the bullet and find someone in the Stockton/Central Valley area with experience in fuel tank removal and fiberglass repair to help me out.

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