Vertical Stab Fences for 2M F3A Aircraft

An alternative to the T-Canalyzer, these fences straighten airflow over the fin to improve knife-edge flight so important in modern FAI aerobatic sequences. Research by Voicu available at http://www.rcuniverse.com/forum/rc-pattern-flying-101/11585841-airflow-visualisation.html

Fences shown here are based on my copies of Voicu's per his photos on above link. Photo shown here is of my BJ Prolog, a slightly older design brought up to modern F3A requirements. Shown aircraft will perform very tig