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Old 05-26-2014, 09:42 AM   #1 (permalink)
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300psi ivg issue

Hey guys. On my 6.5 . with the reg at 300psi. My ivg is flush witht the rear body shooting 300-295fps.. No room for adjustment. Any help with this?



Played yesterday.. Set reg to 350.. Still shooting in the hot/no ivg adjustment.. I set the ivg 1 turn in and sweet spotted the reg. Reg sweet spotted at 300psi at 305fps... I'm thinking of ordering a spring and cutting a coil off until my gun breaks in. This is a brand new Ccm marker. I had to deal with the chuffy sound and horrible reg efficiency setting at 245psi to get close to 275-280.
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Last edited by ves206; 06-15-2014 at 11:33 AM.
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Old 05-26-2014, 09:59 AM   #2 (permalink)
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Try turning the reg up or down a little. Turning it up can actually decrease the velocity at a point. Also check your hammer spring and make sure it is a CCM spring.
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Old 05-26-2014, 10:44 AM   #3 (permalink)
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Think i found my answer. So im gonna post this. Its stolen from TF.

When setting the reg pressure of a T2 - it seems you have a couple of options. You can set the IVG all the way to the vanity cap and run the marker at about 275-290 PSI and it will shoot around 300.

This leaves you no room for error when setting up your marker - as you can't really back out the IVG any more.

You can drop the input pressure down even more - to about 250 PSI - turn in the IVG and have a marker that seems a little 'chuffy' (low pressure - higher volume) but will shoot just fine. You have a little room to move the IVG and all seems well - however - I don't think this is the most efficient setting for the marker - and frankly just sounds wrong to my ears coming out of a CCM marker.


When you bump the pressure up between 300 to about 330 or so - the FPS even with the IVG all the way backed out is about 325 or so. This, ofcourse, is ridiculous.

350 seems to be the right number for the T2 as it starts to close the valve faster - shoots about 270 with the IVG all the way at the back cap - with a turn or so in - you will be shooting at 290 or so - be very crisp on the valve - and have a very efficient gun.


So - here is my thinking. Run your marker at 350 psi input as a default. It is what CCM sets the from the factory and is what Rod recommends. However - if you had REALLY brittle paint - I would wager - running it at 270 psi input would be softer on the paint - but less efficient.

I have no real data to back up these findings - but after a few threads lately on getting the T2 up to speed - or in some cases - down to speed - I am thinking this is the proper way to set up your marker - and will be changing the manual to reflect these thoughts.

TF



I will try this next time i play and see how it shoots.
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Old 05-26-2014, 06:39 PM   #4 (permalink)
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Damn - that TF dude is smart....



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Old 05-26-2014, 08:46 PM   #5 (permalink)
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Lol tf. That post was from 2011. Found it after a long search on a slow day at work today. Just wonder how much louder will the sound signature be.
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Old 05-27-2014, 09:05 PM   #6 (permalink)
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Really good stuff TF. I see where you went with that set up and after a ton of tinkering I ended up at 320PSI input pressure. This seems to make mine happy. No chuff and get 5 140 pods and a full hopper and still have over a 1000 PSI in the 45/4500. So it works. But for all I know my reg checker is off and I'm putting in a little more. Feyd.........
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Old 06-15-2014, 11:29 AM   #7 (permalink)
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New update on top post.
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Old 06-15-2014, 12:42 PM   #8 (permalink)
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If you keep turning up the pressure with the IVG one turn in, what pressure are you at when you get to 280-290?
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Old 06-15-2014, 12:50 PM   #9 (permalink)
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I'm at 250psi at 280/285... But its chuffy and drops off during autotrigger.
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Old 06-15-2014, 01:29 PM   #10 (permalink)
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Turn it up past 300psi and see how high you need to turn it to get 280. Velocity will go down as you turn it up past the sweet spot.
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