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Old 04-29-2017, 05:45 AM   #12
FF
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Join Date: Oct 2007
Posts: 19,155
The seakindly rides come from boats that check , stop the motion and reverse it with the least accelerations.

A round bottom may roll further than a flat bottom like a barge but the easy motion reversal is easy to get used to.

Even tied to a dock (loose) by running from side to side a boat can be made to roll , the longer the time (roll period) the better the ride will usually be.
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