Tad Roberts
Guru
Hmmm...sure looks a lot like Delfin's underbody, although yes, the rudder on a engined vessel won't be the same as that on a sailing vessel. I rather think that Archer's Fram, built in 1893 is a closer analog to Delfin, perhaps showing more similarity than that "they're both boats" and are "sort of pointed at both ends".
I'd very much appreciate any other drawings you have of wooden North Sea herring fishing vessels built in the mid 19th century by Norwegian yards. I'd like to include them in my collection, as I think the similarities between the powered Romsdal dude boats and those sailing working vessels is pretty close. But that may be an error on my part, and that of the naval architect I bought Delfin's hull from who thought the same thing.
Right....What I was trying to say is that I think "different" is a matter of opinion. You can see similarities, I can see differences. Anyway to give you an idea of the differences I'm talking about, below is a comparison of mid sections. All scaled to a common waterline and beam, just to illustrate the shapes and volumes. You will see Fram is the oddest of the bunch. They were concerned with her keel being locked in the ice so she's shaped like a barrel down low. To me the most interesting part is that a local 1960 troller is closest in shape to the Norwegian ketch of 1895!
Colin Archer and the Seaworthy Double-Ender by John Leather is a good reference for Archer drawings, there are a few fishing vessels in there.
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