Mechanical Noise Suppressor for Small Rocket Motors.
DEPARTMENT OF THE ARMY WASHINGTON DC
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This invention relates to a noise suppressor for small rocket motors including a plurality of perforated metal cylinders disposed in concentric relation and secured to a support plate. A noise suppression material is disposed in the chamber of each adjacent cylinder. Noise suppression material is also disposed in the center cylinder and is expelled by the rocket motor thrust. A collar on the support plate secures the motor to the suppressor.
- Rocket Engines