Rocketry Glossary
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
PRM
Pyro Release Mechanism; a mechanical actuator used to depoy a parachute; activated by an electronic match and a small black powder or Pyrodex (or equivalent)
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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