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Flown "Parachute Line Cutter" (8.5x2x1") This was flown as part of the Shuttle's solid rocket booste

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Flown  Parachute Line Cutter  (8.5x2x1 ) This was flown as part of the Shuttle's solid rocket booste
Flown "Parachute Line Cutter" (8.5x2x1") This was flown as part of the Shuttle's solid rocket booster assembly. When the boosters are jettisoned from the shuttle, at T+2 minutes and 7 seconds, they drop from an altitude of about 30 miles into the Atlantic for recovery. Their descent is controlled by a series of parachutes. This device is part of that system. At specified time delays, the cutters use an explosive charge applied to a metal guillotine blade to sever the main chute's reefing lines, allowing the chutes to inflate to their second reefed and then full open positions. This cutter is marked to operate at 12 seconds. A "Clarkson" photo certificate of authenticity for this unit is included. Scarce. FLOWN