When it comes to the leading edge Strobl relies on the U-Turn-typical high tech design with pressure-optimized opening sizes and the Precision Profile Nose (PPN) to improve the inflow in the nose area. In correspondence with the valves in the bottom sail the glider is a pure dynamic weapon. The additional aeration through the Pressure Balance Valves (PBV) in the bottom sail is an innovative invention by U-Turn. Through the PBV the wing is provided with the necessary dynamic pressure even in inconvenient angles of attack and therefore offers a higher range of tolerance in the extreme angles of attack which occur during the acrobatic flight. The High Pressure Crossport Design (HPCD) optimizes the lateral aeration, for a balanced internal pressure of the wing. All attachment points are reinforced multiple times. Like all other U-Turn acro gliders the TWINFORCE RE4 is also equipped with the Stabilo Security Function (SSF), to quickly resolve the situation when making a swaying movement.
The TWINFORCE RE4 is processed with highest quality and is designed for durability under extreme loads. The superior experience in the area of acrobatics was also contributed by U-Turn during the development of own materials. Hence the acro material PX40, which was developed by U-Turn, is also used in the TWINFORCE RE4. An unprecedented coating provides outstanding long term values and optimized tear resistance. PX40 is currently the strongest fabric that can be used to build a wing – and the TWINFORCE RE4 is the strongest wing ever built.