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Long Range Hunting & Shooting
Muzzle Brake Recommendation
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<blockquote data-quote="carlbobh" data-source="post: 2099914" data-attributes="member: 69675"><p>The angle of the ports do have a lot impact on the concussion generated to the shooter, more important is the size of the port and the length of the runners. With some of this brakes that large open ports with short runners they will produce the most concussion to the shooter. They key is to make the runners long enough to get the pressure to go "90 deg" away from the shooter. We tried many port designs and angles when designing the Assassin brake and found that we could also alter the concussion with a slight progressive angle on each port. Also keeping the smaller width on the port showed less blast to the shooter while the incresing angle disturbed the sound pressure, reducing noise level by more than 5db. Is it quite? No.</p><p></p><p>For efficiency .. the port length must be at least 2x bore diameter. Shorter runners lose some efficiency and produce more concussion shock to the shooter. The radial brake I make uses smaller diameter ports with long runners, producing very little concussion to the shooter and retaining 95% efficiency of recovering gas recoil.</p></blockquote><p></p>
[QUOTE="carlbobh, post: 2099914, member: 69675"] The angle of the ports do have a lot impact on the concussion generated to the shooter, more important is the size of the port and the length of the runners. With some of this brakes that large open ports with short runners they will produce the most concussion to the shooter. They key is to make the runners long enough to get the pressure to go "90 deg" away from the shooter. We tried many port designs and angles when designing the Assassin brake and found that we could also alter the concussion with a slight progressive angle on each port. Also keeping the smaller width on the port showed less blast to the shooter while the incresing angle disturbed the sound pressure, reducing noise level by more than 5db. Is it quite? No. For efficiency .. the port length must be at least 2x bore diameter. Shorter runners lose some efficiency and produce more concussion shock to the shooter. The radial brake I make uses smaller diameter ports with long runners, producing very little concussion to the shooter and retaining 95% efficiency of recovering gas recoil. [/QUOTE]
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