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SpaceX· 2025-08-13 19:39
They’ll also be used for vehicle lift and catch, made possible by a new catch point addition and a lower positioning on the booster to align with the tower catch arms. Moving lower reduces the heat they receive from Starship’s engines at hot-staging and places the fin shaft, actuator, and fixed structure inside the booster’s main fuel tank ...
X @SpaceX
SpaceX· 2025-08-13 19:37
Vehicle Design & Control - Redesigned grid fins are 50% larger for the next generation Super Heavy booster [1] - Grid fin number reduced from four to three to enhance vehicle control [1] - Enables the booster to descend at higher angles of attack [1] Technology & Engineering - New grid fins feature higher strength materials [1]