RS Flight EVO VIFOIL RACING. REDEFINED. Following on from the success of the 2024 Flight EVO, the main areas of improvement for 2025 were aimed at high end performance and stability. For 2025, the aspect ratio has been made even higher. The boom length and head width have been reduced to greatly improve high end performance and the leech twist has also been updated. There is increased twist in the lower leech area which gives you unprecedented acceleration in the