Hi
I'm afraid long tons are only used in the US and a couple of other backward countries.
The world uses metric tons for ship and boat displacement.
Working out stability and other nautical calculations in pounds per cubic foot of seawater and all the other imperial units is long gone.
A metric ton is 2206lb
Regards
Captain Kerry Thomas
kerryjthomas@gmail.com
From: electricboats@yahoogroups.com [mailto:electricboats@yahoogroups.com] On Behalf Of tugs@earthlink.net
Sent: Sunday, 23 March 2014 2:41 p.m.
To: electricboats@yahoogroups.com
Subject: [Electric Boats] Re: electricboats
Displacement tonnage is measured in long tons, 2240 pounds per ton. It is the international standard as applied to ships and boats by maritime administrations and class societies. It is the measure used when calculating load lines and stability.
The "short ton" of 2000 pounds is not a nautical measure.
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