John:
Timely and relevant information from my perspective. My fuel tank is a
33 year old aluminum and it has a dedicated fuel return fitting. I
looked at the Moeller plastic fuel tanks and decided against it, not for
the fire safety reason (actually didn't know and/or think about it now
that you bring it up). The fittings on the Moeller are all quite
different from my existing tank.
I called a 'machine shop' here and discussed the fuel tank....they will
clean, inspect, pressure test, repair, etc. if a repair is needed and
can be done. Failing that, they will make me a new tank to the
identical dimensions and fittings of my existing tank for approx. $400.
Whether it is the existing tank or new tank, they recommend putting a
'plastic or similar material' liner on the bottom of the tank where it
sits on the wooden platform to protect the tank from corrosion.
Either way, I like the idea that when I reinstall a fuel tank, it will
fit, but more importantly, if it turns out to be a new tank, I will not
have to adapt the fittings (horizontal infill, fuel line to engine, fuel
return fitting, etc.) It may cost more than a new plastic tank,
however, extra cost is worth the ease of installation for me.
This list is great......really helpful when you don't know, and in this
case, helpful to confirm your decision(s) were the right one(s) after
the fact.
Regards
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2017-09-19 10:32 PM, John and Maryann Read via CnC-List wrote:
Allrighty then – have an alternate perspective on plastic fuel tanks.
My trusty Yanmar mechanic (years of experience and formerly on their
advisory group) indicates a plastic tank may create an issue of
compliance to current regulations on fire safety in an enclosed area
with an attendant impact on a survey if the boat is sold. He
recommends only a new metal tank that can withstand a fire in the
engine compartment without melting and spilling fuel. The plastic
tanks are good for more open applications and should be used in a
sailboat only if the tank area is separated / isolated from the engine
area. Further, the Moeller does not have a dedicated fuel return
fitting which is required for diesels so the only alternative is to
“tee” into the vent line a less than ideal solution.
On another note, on inspection to remove the tank on a 34 appears to
be a really tight fit around the engine and water heater. Has any 34
owner actually removed their tank and care to share any tidbits of
advice??
Thoughts from the esteemed group??
John and Maryann
Legacy III
1982 C&C 34
Noank, CT
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All Contributions are greatly appreciated!
