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Glossary >> K >>

Kevlar

A synthetic fiber, originally woven into mats for use in bullet-resistant body armor. Kevlar is highly resistant to tearing or burning. Kevlar thread is used in some model rockets as a shock cord. In model rockets, this provides the advantage of allowing the cord to be anchored to the motor mount rather than to the open end of the airframe. This design is less susceptible to zippering and burning. Larger-diameter Kevlar cord is increasingly being used as shock cords on high-power rockets for the same reason, and because Kevlar is stronger than bungee or elastic straps. Kevlar is also woven into sheaths or bags, and used to protect elastic shock cords and parachutes in larger rockets. See Deployment Bag

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