Posted 25 January 2017 - 04:08 PM
In the letter, Seaspan says they have "serious concern" with the new 3.5 knot limit because their tug boat captains need to use varying speeds to keep a loaded barge under control.
I'm not a tug-boat captain, but I'm unsure of this. I think if the wind grabs your load you might have to reign it in with higher counter-speeds, but if water is pretty calm, do you have to use all kinds of speeds?
EDIT: Oh, I get it, the tug has to go over 3.5 knots, that makes sense, scoot around and get a bead on the barge as needed. But presumably the barge itself never needs to exceed that.
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