Recently, I've been researching (and drooling over) expedition yachts
and yachts in the super and mega yacht range.  While watching, I found
some that would make perfect Safari Ships (Nordhavn 80 and 120, Bering
77 and 154) and wondered how they would scale into Traveller
displacement.  I know that "displacement" when discussing a seagoing
vessel is the mass of the water displaced when the vessel is floating,
and had heard the term "gross tonnage" but never really knew what it
meant.  I thought it meant the actual mass of the boat.  I was wrong.

Gross tonnage is a nonlinear measure of a ships internal volume.  If you
know the ship's gross tonnage you can easily (well, for someone like me
that's hither math challenged, not so much) calculate the volume in
cubic meters.  Then it's  simple task to divide by 14 or 13.5 depending
on you version preference, and you now have Traveller dtons.  If take
something like a Bering 77 at 200 gross tons, that is probably going to
calculate out to ~60dtons.  If you watch the two videos by Nautistyles
that are on YT (links at the end), this is a tremendous amount of volume
for something that's marginally larger than a cutter and a bit more than
half the size of a Type S.

Thought I'd share this in case anyone can use it in their games.

Gross Tonnage:  https://en.wikipedia.org/wiki/Gross_tonnage
Nautistyles Videos on Bering 77:
Pt. 1:  https://youtu.be/vcqgQi1feY8
Pt. 2:  https://youtu.be/txUWH43QQpA

--
Kurt Feltenberger
xxxxxx@thepaw.org/xxxxxx@yahoo.com
“Before today, I was scared to live, after today, I'm scared I'm not living enough." - Me

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