Model Rocketry and Siege Engine Glossary Letter Z


Model Rocketry and Siege Engine Glossary Letter Z

Glossary
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Zerogravity
A condition existent when centripetal gravitational attraction of the earth or other spatial body is nullified by inertial (centrifugal) forces
Zipper/Zippering
A condition in which a slot is cut in an airframe by a shock cord. This condition is caused by early or late recovery system deployment, in which the recovery system deploys while the airframe is moving at a high rate of speed


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