-- Last Updated: Nov-01-12 1:40 PM EST --
Comparing the relative speeds of the three Bell, etc hulls is kinda like debating how many angles, or demons, can dance on the head of a pin. That said, here's my two cents.
With a straight shaft and a perfect forward stroke, composite WildFire should be fastest as little or now yaw will be induced and the stern rocker reduces wetted surface, hence a little less skin friction.
If paddling with a bent paddle or carrying a straight blade aft of the knee or not stacking one's hands across the rail, YellowStone Solo in composite will be faster than the WildFire. That's why we reduced stern rocker, to counter misdirection from compromised forward strokes.
Of interest, bents move the +/- 15 dg blade angle window aft along the hull, hwich increases induced yaw oven if hands are nicely stacked across the rail.
The RX YSS should always be slowest due to greater skin friction, blunter ends and less precise shaping. If it's faster than a composite WildFire, the paddler isn't stacking hands across the rail or is carrying the blade behind the body, and needs a forward stroke clinic with Tom Foster.
Alternatively, the paddler might be comparing a brand new RX hull with a badly scratched composite hull. Winters discusses accumulated drag, best to read him, but a moderately scratched hull can have half again the skin friction of a new one. [One reason why comparison paddles are anecdotal and of minimal value; we seldom get to compare apples, ie multiple runs by multiple paddlers in new boats over a measured distance with a disinterested observer holding that stopwatch.]
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