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M93r burst mech


SniperNinja

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A linear ratchet? All the while I guessed it was a rotary type. Anyway, the long vertical piece is the ratchet which is directly connected to the sear. When pushed back, it also releases the sear. The large cam at the top left corner is it's connection with the selector lever. When in the extreme up or down position (semi and auto), it moves the ratchet backwards and out of operation. Middle and it moves forward to engage the delayer. The delayer is that big silver piece with a hook that engages the ratchet. It should have a second hook, probably unseen from the angle. As it rotates (being hit by the slide), the visible hook disengages and the unseen hook pushes the ratchet down a notch and is held in place by the cam with another hook at the bottom. When the slide returns, the delayer orients itself back by spring tension and locks the ratchet back down with the visible hook. Fast forward to the last notch in succession, a bump on the ratchet forces itself backward upon being pushed down by the delayer, freeing itself from any hook that's keeping it in place and goes back up to reset the whole cycle while at the same time disconnecting the sear from the trigger making it engage on the last shot.

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A linear ratchet? All the while I guessed it was a rotary type. Anyway, the long vertical piece is the ratchet which is directly connected to the sear. When pushed back, it also releases the sear. The large cam at the top left corner is it's connection with the selector lever. When in the extreme up or down position (semi and auto), it moves the ratchet backwards and out of operation. Middle and it moves forward to engage the delayer. The delayer is that big silver piece with a hook that engages the ratchet. It should have a second hook, probably unseen from the angle. As it rotates (being hit by the slide), the visible hook disengages and the unseen hook pushes the ratchet down a notch and is held in place by the cam with another hook at the bottom. When the slide returns, the delayer orients itself back by spring tension and locks the ratchet back down with the visible hook. Fast forward to the last notch in succession, a bump on the ratchet forces itself backward upon being pushed down by the delayer, freeing itself from any hook that's keeping it in place and goes back up to reset the whole cycle while at the same time disconnecting the sear from the trigger making it engage on the last shot.

Amazing explination, thank you.

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