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On 30 Mar 2004 19:54:48 GMT, (JAXAshby) wrote:

Of course that doesn't mean the rudder has no effect at all, which is
what you claimed.

you can't see it, you can't measure it, you can't detect that it is there at
all, but it still exists? How is that?

You can measure it. You can detect if it's there or not. All you need
are stress sensors on the rudder post to measure what the rudder is
doing.

And which way does the stern move with the rudder one way or the other?

That's a big "it depends". Of course that doesn't mean the rudder has
no effect. The same thing can be said for the engine in forward. I.e.,
you can't predict which way the boat will turn when you turn the rudder
one way or another if other factors, like the wind, have a greater
effect than the rudder.

Steve