Abstract
The gas-deployed skirt (CDS) is a metal nozzle extension that is folded radially inward and packaged entirely within the cavity of a rocket motor nozzle. The skirt is deployed by low-pressure motor ignition gases and then stabilized in the open position by the internal pressure of fully developed nozzle exhaust gas flow. The conception, design, and analysis are discussed in the context of seven successful CDS tests on 100-lb liquid rocket rocket motors and 5000-lb solid rocket motors. Typical applications and the resulting performance improvements are also discussed.
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