Twister 2007 Limited Edition. Only a few months out , the Twister 18 is rapidly gaining approval among top pilots on the Acro circuit . The Twister's unique profile offers excellent dynamics, handling and safety for an aerobatic wing. Expert coastal pilots are discovering the joy of soaring in high winds until now reserved only for hang-gliders. A signature Limited Edition batch with a refreshing asymmetric graphic design has been in production since January 2007.