Can't argue with that. Like I said, I've got no proof, but I've learned to listen to my belly.
}:^)
Just out of curiosity, 100 ton, 100 mi?
Don't understand the question, but I've delivered, crewed, or fished on yachts up to 75'. The heaviest was a small tuna seiner converted into a mothership for a sportfisher. I think that's what you are asking.