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posted to rec.boats.building
Terry K
 
Posts: n/a
Default How far should the rudder turn?

Just yanking the tiller over may
serve some, but a sensitive analysis of the dynamics can be
educational. Instead of horsing the tiller, one moves it smoothly,
feeling it's bite in the water so that it is never stalled, using the
foreward momentum acting on the rudder to convert boatspeed efficiently
into angular momentum, one is then apropos actually able to contribute
to accelleration once the head is around, by coupling the rotational
momentum back into the boatspeed, by using the tiller skillfully as a
wing so that once the boat is turning, carefully considered control of
the tiller ensures that it's sideways motion is translated into
foreward thrust instead of stalled drag. It's a seat of the pants
thing, kind of related to driving a car smoothly as opposed to jerking
the wheel around until everyone is carsick.