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Rifles, Reloading, Optics, Equipment
Gunsmithing
Gas Port Browning BAR
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<blockquote data-quote="Clark" data-source="post: 1136082" data-attributes="member: 6600"><p>The problem with many semi automatics is that if there is not enough energy in the mechanism, it jams, and too much and it hammers the parts against each other.</p><p></p><p>You can tune the ammo to the gun. [change the powder charge]</p><p>You can tune the gun to the ammo. [change the recoil spring or gas hole size]</p><p>You could have an adjustable gun. [ turn on the gas adjuster knob on a FAL or invert the friction rings on an A5]</p><p>You could have a self regulating gun. [My father's 1982 patent 4,353,285 gives a formula for a parabolic taper to a hydraulic cylinder]</p><p></p><p>--------------------------------------</p><p>The hammering problem is separate and distinct from the over pressure problem.</p><p>It is easy to conflate them, because the more powder, the more hammering and the more pressure.</p><p>The guns are designed with huge safety margins on pressure, but the window between jamming and hammering is narrow.</p></blockquote><p></p>
[QUOTE="Clark, post: 1136082, member: 6600"] The problem with many semi automatics is that if there is not enough energy in the mechanism, it jams, and too much and it hammers the parts against each other. You can tune the ammo to the gun. [change the powder charge] You can tune the gun to the ammo. [change the recoil spring or gas hole size] You could have an adjustable gun. [ turn on the gas adjuster knob on a FAL or invert the friction rings on an A5] You could have a self regulating gun. [My father's 1982 patent 4,353,285 gives a formula for a parabolic taper to a hydraulic cylinder] -------------------------------------- The hammering problem is separate and distinct from the over pressure problem. It is easy to conflate them, because the more powder, the more hammering and the more pressure. The guns are designed with huge safety margins on pressure, but the window between jamming and hammering is narrow. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Gas Port Browning BAR
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