-- Last Updated: Apr-17-13 9:52 AM EST --
The best predictor of tracking is block co-efficient. The block is WATERLINE length, width and depth. The less of that block the boat fills the better it tracks. See Winter's, "The Shape of the....."
Full or abrupt chines and a flat bottom fill more of the block, so, predictably, those hulls will track more poorly. Conversely, V bottom hulls track more reliably than any others, but the handling characteristics are not desirable. The simple take-away is finer lined hulls track better than fuller ones.
Tracking correlates somewhat with decreased stern rocker, but deeper sterns effect tracking only because some paddlers carry the blade aft of their body into a partial sweep. Skegged sterns compensate for poor technique by resisting the torquing forces in sweeping strokes. A perfect forward stroke tolerates enough stern rocker to make a hull usefully maneuverable.
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