1153TBS SAB TAIL BLADES (115MM 3 BLADE)SAB Tail Blades By SAB Heli Division. Description Thanks to the variable chord, the "Thunderbolt Bladest" tail rotor blades offer a more reactive response to the pilot command. That means that the tail moves more rapidly and can allows faster maneuvers, but at the same time the blades offer a better controllability of the helicopter. Each helicopter requires the best possible matching combination of main and tail rotor blades. Therefore, we have