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Old 12-04-2010, 10:25 AM #64
krisr33
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Just a technical question, if there is no oring on the inside of the ring how can the air pressure coming into the chamber force the ring forward? Would it not just move around the ring?
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Old 12-04-2010, 10:32 AM #65
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Quote:
Originally Posted by eyeownyu
i have a feeling it might catch on the inside of the milling of a dm9/10/11. but hey who knows, im not positive as to where dye actually does the milling on the inside of the chamber. where this ring sits might be a flat part.

Agreed.

Like yourself, I do not know the extent of the DM9/10/11's internal milling, or the amount that the Eigenring will move (which is another factor that would have to be taken in to account, depening on the location of the internal milling), but I would have to say that your question is entirely valid. I could certainly imagine the Eigenring *not* being compatible with the DM9+ due to the internal milling.
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Old 12-04-2010, 11:07 AM #66
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if the ring was machined out of a heavier metal it would probably do even better negating some of the perceived recoil

that ring probably on weighs a few grams even with orings

also msonic the kick it is negating is actually from the ball not the bolt as the bolt is already forward when the ring begins to move, theoretically if the ring weighed the same as a paintball then you should feel no kick from the ball launching out of the breech. Which would be cool
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Old 12-04-2010, 11:28 AM #67
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Quote:
Originally Posted by krisr33 View Post
Just a technical question, if there is no oring on the inside of the ring how can the air pressure coming into the chamber force the ring forward? Would it not just move around the ring?
I also expected to see an oring on the inside of the ring. Otherwise you have metal moving against metal with a poor seal, right?
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Old 12-04-2010, 11:30 AM #68
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I also expected to see an oring on the inside of the ring. Otherwise you have metal moving against metal with a poor seal, right?
Yea that was I was thinking too. Since the air is entering in the back of the chamber I would expect there to be an oring on the inner diameter of the ring. Thus allowing the pressure entering the chamber to push the ring forward
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Old 12-04-2010, 12:15 PM #69
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yes there should be an oring there

there would be nowhere for the air behind the ring to escape to as the spring compressed though

perhaps the lubricant is doing a decent enough job sealing off the interior of the ring though, however I feel like if you let it sit for a minute or two the dump air will slowly get behind the ring and decompress the spring, meaning it would have no effect at all.
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Old 12-04-2010, 12:17 PM #70
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Quote:
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yes there should be an oring there

there would be nowhere for the air behind the ring to escape to as the spring compressed though
That is a really good point
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Old 12-04-2010, 02:24 PM #71
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There is an inner 017bn oring on the ring that moves. His picture just doesn't show it when it is not installed. There is an inner and outer oring on the ring.
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Old 12-04-2010, 03:49 PM #72
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maby make the ring out of brass. should be rather heavy and not too hard.
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Old 12-04-2010, 07:43 PM #73
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Vids were taken and I am going to do one last one tomorrow before I upload anything.

Good convo guys.
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Old 12-04-2010, 08:29 PM #74
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Because of how the ring is designed, it doesn't weigh that much - strength was a more important consideration. The majority of the mass is in the spring itself.

Originally i did want to do them in brass, but in practice it doesn't make that much difference. The ring is designed as it is to minimize dead area on the theory that you want the tophat moddiness to be as variable as possible.

...If that makes any sense. I'm pretty sure a static tophat mod that huge would knock off a LOT of fps.
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Old 12-05-2010, 12:38 AM #75
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Hey lurker when these available? I want to purchase now lol
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Old 12-05-2010, 06:39 AM #76
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Quote:
Originally Posted by Lurker27 View Post
Because of how the ring is designed, it doesn't weigh that much - strength was a more important consideration. The majority of the mass is in the spring itself.

Originally i did want to do them in brass, but in practice it doesn't make that much difference. The ring is designed as it is to minimize dead area on the theory that you want the tophat moddiness to be as variable as possible.

...If that makes any sense. I'm pretty sure a static tophat mod that huge would knock off a LOT of fps.
that makes sense, while the increased mass of the ring might help reduce a little extra recoil, it will also slow down the response time of the mechanism.(slowed ability to change volume.)
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Old 12-05-2010, 05:56 PM #77
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more videos?
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Old 12-05-2010, 06:44 PM #78
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any chance of a more appropriate flat ended spring in the future or does the current spring function well enough
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Old 12-05-2010, 09:53 PM #79
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The prototypes used a flat spring. The cost would have been near impossible to manage - I consulted with the spring manufacturer about the application and they seemed to think it would be ok open ended.
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Old 12-06-2010, 10:48 PM #80
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The Lowest PSI Tank was shot from 3k even Without the Eigenring
The Highest PSI Tank was shot from 4k even With the Eigenring
(all i had available air wise)



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Old 12-06-2010, 11:01 PM #81
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Both tanks are 68/45, correct?
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Old 12-07-2010, 08:57 AM #82
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I did not use my 90cuin if that is what you are asking...
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Old 12-07-2010, 09:07 AM #83
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that seems to have made quite the difference. Do you think you would be able to do a drop in video like shoot a pod or something through with out it and then put it in and make no adjustments and show velocity increase and what not. Also were you able to drop the dwell at all?
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Old 12-07-2010, 09:13 AM #84
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Sure I can do that Vid. I did not try and lower the dwell at all since that was a perfect setting before in any weather. I believe I found a great balance in psi and dwell imo.
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