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otnmbrd
 
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Default Question inspired by a Dutch sailor.



DSK wrote:


Advantages: offers a check on fuel quality (note: the same checks can be done
with a regular fuel system also), allows easy priming, allows the engine to
keep running if lift pump fails.

IMHO a day tank does not make sense on a small cruising boat. Big ships draw
fuel from "service" or "ready" tanks that are the same concept, but the fuel
is measured in tons rather than gallons and all the storage tanks are certain
to have a lot of seawater sloshing around in the bottoms, so stripping it in
transfer to ready tank makes sense.


Only on Navy combatants .... otherwise there'd better NOT be any
sal****er in those main storage tanks .... water, maybe some (from the
fuel) but not sal****er.
Main reason on larger vessels is to clean and for heavy fuel, to get to
right temp.

otn