You can watch the full video Hold Down Release Mechanism - The nuts & bolts that releases spacecraft. • Hold Down Release Mechanism - The nuts & b. on my other channel, Reflective Layer They.. Connection requiring a pyrotechnic fastener In principle, explosive bolts are a bit like breakaway bolts, (which hold up signposts, street lamps and telephone poles, but need to break apart on impact). But at least with those, testing is easy enough and there are many terrestrial opportunities to review performance on the ground.
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Explosive bolts and nuts are engineered fasteners designed to provide both structural integrity and rapid, on-command separation of mechanical joints. More specifically, they are used to reliably release ordnance and other payloads from airframes and booster separation on rockets.. 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.
