-- Last Updated: Nov-01-12 12:20 PM EST --
To ascertain real waterline length we need the boat in question, a level, a tape measure and a rational burden.
I propose 5 ea40 lb sand or water treatment salt bags. [200 lbs is what the gov tells us is an average guy with a 40 lb pack. It's to much for a 120 lb woman, not enough for a 240 lb guy with gear, but.....]
Oh yeah, we need knee high neoprene boots too. Plop the hull in foot deep water, the five bags i the hull; fiddle placement until it looks right. The apply the level vertically to each stem in turn, measuring the distance from level to cut-water. Write these numbers down. After unloading and unfloating the boat, measure it's Overall Length with the tape, and subtract the sum of the two offsets. Barring an embarrassing math error, Waterline Length should be computed.
We don't do this much in the northern tier from November through April because that would require getting a chain saw wet to cut a slot through ice, and, if truth be told, we prefer Mid May through September.
The Kayak Wing
Cartop Kayak Carriers
Full Size Sail Rig
Bent Shaft Canoe Paddles
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