Hmmm.... not how I do it.
I don't think novelman's method would work for me. If I let it slip out to the end of the trailer, on windy days the boat would get all sideways on me.Where I launch, we have no finger dock, so I back the boat in to the trailer until it floats. I then get in the boat, fire up the engine, lower the rudder, etc.Once every thing is ready, I go up to the front of the boat, unhook winch, and give it a good push.Then I run back to the motor, throw it in reverse, and take off.Coming in, I just drive it onto the trailer as easy as I can. I have found that I need to have the trailer just a little less in the water, or the boat seems to want to go sideways right as it is getting into the V by the winch.Mine is a 26S, so I'm not sure how this transfers to a 25.All in all, this is the biggest pain of the whole sailing adventure. With practice it gets easier. Also, much easier if the wind is not whipping.