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Old 01-12-2011, 01:08 AM   #1 (permalink)
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Cycling idea. Good or bad?

If i drill a 1/32" hole between the ports(45deg) and half way through the wall, then drill another from the boltface to the other hole, will this help with cycling/recock? The groove over the ports was there when I got it. I cleaned the ports up and plugged the 3 unused. I'm planning on buying another valve so i'm playing a little.
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Old 01-13-2011, 03:43 AM   #2 (permalink)
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Holy lightened hammer Batman!

If I am understanding your question correctly. I would imagine, you will still be restricted to the initial inlet hole size since that will be the tightest port to create a bottleneck.
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Old 01-13-2011, 08:04 AM   #3 (permalink)
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got er did

Let me back up a bit. To start everything I drilled a 3/4" x.c. to get a vert asa for a reg. Then I spec.'d the valveport at the cupseal to be .250. Next I drilled the port from the asa to the valve .250 to match. Followed by drilling the reciever transfer port and 9 oclock valveport w/ a #7(.201), capped the receiver w/ a 1/4-20 setscrew. I then capped the 3 unused valveports, lightened the hammer and drilled the bolt out to 5/16(.3125) and cupped it. So the bottleneck is exiting the valve. After this it goes cyclic if I hold the trigger. But I know better.

So I was really stoked to try this valve mod and I had some "gubment" time at work last night, so I did it. I ended up drilling 2 ports w/ a #2 centerdrill and a 1/16" drill.

NO CO2..... CRAP.

Well heres pics anyhow... more in the picture thread as well.
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Old 01-24-2011, 07:17 AM   #4 (permalink)
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Valve worked great! I'm hoping it will work with hpa now as well.
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Old 01-31-2011, 10:14 PM   #5 (permalink)
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I drilled my hammer extensively like that too, but its still a hunk of stainless there so I just switched to a Cooper-T kit.
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Old 02-02-2011, 02:37 PM   #6 (permalink)
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I have some Cooper T hammer kits.

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Old 03-15-2011, 02:53 PM   #7 (permalink)
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Well the hammer kits only work if they include the Cooper-T Better bolts also, as they're longer and they depend on relocating the main spring from behind the hammer to behind the bolt, another plus to the cooper-t hammer though is the adjustable striker pin that becomes the new method for velocity adjustment. Instead of rotating the valve body you vary how far the valve pin pushes open when the hammer hits it.
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