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> The larger,older freighters use bunker oil for propusion.Some of the newer
> vessels use gas turbine technology but the majority use diesel.The
> nomenclature for fuel cunsumption in these vessels is in barrels/hour for a
> given rpm of the shaft.I believe there are 42 gallons/barrel.A vessel of
> this size can easily consume 100s of barrels/day depending on speed,draft
> and sea conditions.I'll get an example of this tonight and post it tomorrow.

I do believe your figure is correct for a US barrel of oil, as opposed to
the US liquid barrel (wine etc) which is 31.5 US gallons, as opposed to the
US dry barrel which is .969696 a US liquid barrel, not to be confused with
the British barrel...   The confusion factor is right up there with tons,
and a ship's tonnage.

> What is the "Annapolis Book of Seamanship" ? Is it a book used to teach
> midshipmen or cadets at the Naval Academy?

It is a book devoted primarily to sailing and teaching sailing (vs. Chapman
which devotes a lot of space to powercraft), "Based on the principles and
curriculum used in the sailing program of the United States Navel Academy at
Annapolis..."

   

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