Today (25th November 2016) is the day. I am going to launch the boat at Lake Ngaroto for the first time to find out whether everything is working: centerboard, rudder, sails, all running rigs and to check the integrity of the hull (leaks if any).
After the welder and electrician have finished with the boat trailer I went for the WOF the second time and passed!
I put back the mast and outboard engine. The sails and rudder are stored inside the cabin. For towing long distances, I strongly recommend the use of a heavy duty tie down as shown here.