Explosive bolts play a fundamental role in the success of space launch vehicles. Their ability to provide secure fastening during launch and precise separation on command makes them an essential component in various stages of space missions.. It'll take millions of pounds of rocketry to get humans back to the moon, but only 20,000 will return home. We'd get nowwhere without a group of exploding bolts.
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A pyrotechnic fastener (also called an explosive bolt, or pyro, within context) is a fastener, usually a nut or bolt, that incorporates a pyrotechnic charge that can be initiated remotely. One or more explosive charges embedded within the bolt are typically activated by an electric current, and the charge breaks the bolt into two or more pieces. The bolt is typically scored around its.. Explosive bolts feature machined geometries to control the separation location and breaking strength. An explosive charge, located within a machined cavity in the bolt, or externally for Piston Bolts (Propulsive Bolts), provides the energetic stimulus required to cleanly separate the bolt at the predetermined break plane.
