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Discussion Starter #1
I am considering adding fuel capacity to my PS37.
Has anyone in our group done this? How did you do it? Where did you locate the tank(s) and fill pipe? How about the fuel lines? What are the issues that you encountered?

David Howes

S/V Margalo
PS 37
 

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I have a rectangular 26 gallon SS tank under the forward berth. (You could easily fit in a larger one if you want to get one made that's shaped like the hull.) Filler cap is on the port deck beside the forward water tank fill, with the vent nearby at the top of the topsides. (I keep it all closed except when filling.) I never fill from the main tank fill anymore; I simply fill the fwd tank and let the fuel drain into the main tank. A dedicated electric fuel gauge is beside the forward vanity seat.

I would recommend a custom-made tank that allows you to maximize use of space. There's loads of space around my tank that I can't access easily.

There's a debate about how much weight to put up forward. I have both the extra fuel tank and forward water tank, and two anchors, and lots of chain. If anything, the boat is still stern heavy.
 

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Crealock 37
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676 Posts
I have a 37 gallon aluminum tank under the v-berth, fill portside next to water fill. My tanks are plumbed to a manifold in the after engine room, not able to fill one from the other as Lantau mentioned.

I too have 2 anchors on bowsprit, one is all chain so a lot of weight in bow but she squats just a bit stern down.
 

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Hopefully you'll get more replies on different options, but based on my setup and that of Sailak, you might consider a hybrid: put in the larger tank like Sailak (it's just a matter of cutting a bigger hole in the fwd berth) and then plumb it like my boat: run a line to the main tank. That way it's easy to drain fuel, as desired, from fwd tank. It goes without saying that I have an on/off valve on the fwd tank.

Then again, if you want to spend more money, you could have completely separate fuel-supply systems. In this you could even have separate fuel filters, making the systems independent right up to the engine. If one system gets contaminated in some way, you switch over to the other -- assuming you haven't already used the fuel in it!
 

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Crealock 37
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Mine is set up as seperate systems. After the manifold to select the desired tank I have a selectable dual filter Racor assembly.

I burn off the bow tank first but I have to leave enough to feed the Espar cabin heater since it isn't able to draw off of the keel tank.
 

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Discussion Starter #6
Thank you all. As in so many of these conversations, it is a question of balancing several trade-offs. It seems as though avoiding jerry cans of fuel lashed to the lifelines is worth the effort!
David Howes
S/V Margalo
PS 37
 
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