mswMelbourneFL wrote:
If I'm drifting with the wind and not actually moving forward, the rudder is useless and seems to have absolutely no effect on which way the boat turns.
Yes, as with any boat and rudder... you have to have forward motion for the rudder to work. This is 100% normal for all types of craft.
mswMelbourneFL wrote:
(if I stop paddling and coast she'll eventually start moving to the right). My other kayak has the same but to port. Neither takes the swift, dramatic ZING off to the side that my Hobie does.
It is primarily the drag from the drive when you stop powering. The drag is forward so will turn the boat at some point where drag overcomes forward motion.
Mirage hulls are designed to turn... with a rudder, so not designed to track without one... with motion. You can not get a tight turn radius and tracking... there has to be a balance of design.
We added tracking keels to the Pro Anglers for this reason, but those models are wide compared to length and have a lot of freeboard / wind surface that can change the hulls course.
As I believe you found... tension steering lines to hold the rudder position if you release the lever. Add a larger rudder. Keep a slow pedal motion. Especially in wind or choppy water.
If you have ever driven a power boat... same effects. Stop power, the boat turns. Helm is useless without power on.