He used a single line halyard retrieval system with a spinlock cleat. The retrieval line went through a eye ...
A fine diagram of the above can be found as a PDF file on the German Taipan dealer's homepage.
You may wish to visit
www.taipan-sailing.de then go to Neuigkeiten and then locate Montageanleitung Spibergersystem.
It is all in German, but the pictures speak for themselves