My highest, fastest, shiver me timbers, and most powerful rocket. T' rocket is scratch built (by me) out o' 1/8 inch fiberglass. Power be provided by an Aerotech M1419 motor (compare that t' your Estes C6 or D12). Aye aye! Liftoff weight be 30 pounds. Burn time was just under 6 seconds. T' flight went supersonic (mach 1.1) and exceeded 14,000 feet. T' altitude, velocity and acceleration charts are at t' end o' t' video. T' flight was recovered safely.