Several years ago a similar question was asked regarding the displacement of a canoe in fresh water vs. salt water. With the same load and due only to the different specific gravity of the water this translated to about 1/32" increase in freeboard for an assumed initial displacement.
In this case for a reference consider;
A volume of water 18" x 96" x 1/16" weighs about 46.5 lbs. (Water in general weighs about 62 lbs/cu.ft.) There are not to many (if any) canoes that have that much difference in weight between layup constructions.
The load in the canoe is much more the factor. My Magic and Shearwater both behave very differently with a load (other than me) or without.
Gedi Convertible Helmet
Sport Cases (Electronics)
Kayak Motor Kit
2-3 Canoe/Kayak Trailer
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