[Paddlewise] Boat Design

I read several of the arguments back and forth regarding boat design vs. stroke technique, etc.  I don't think it's possible to put percentage points on technique vs. design; the variables are too complex.  The bottom line is you need good technique and the best design to suit your purposes.  Now on to my pet observation on kayak design:

For years I've been paddling a Mariner Coaster. It is 13' 6" long, 23" max. beam, has partial hard chines, a relatively low volume stern, fairly pronounced keel at the stern, with the seat aft of center.  I'm not a boat designer, but all these characteristics somehow add up to a boat that is maneuverable, yet tracks well with plenty of hull speed (in spite of the short length), and best of all it does not weathervane or fall off the wind so it doesn't need a rudder.  The result is a highly versatile kayak that handles best in rough conditions (including storm seas), ocean rock gardens, and surf.  I have also been able to take trips up to 10 days; the gear fits in nicely without bulkheads in the way (I'll leave the bulkhead issue alone, for now).  

Anyway, my question to the boat designers is this:  Why, with all the hundreds of 16 to 18 ft. sea kayak designs are there so few short sea kayaks (13 to 14 ft.) similar to the Coaster and none that really compare favorably to the Coaster?  Are the Brose brothers really the only boat designers who can do it?  In case you are wondering why I like the shorter length, come on out to northern California and paddle in the rocks along the coast and you'll see why.

John Lull 
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