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VM Empire Where the VM-68's and PMI-3 Come out to play

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Old 11-01-2016, 07:33 PM   #41 (permalink)
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Might have found a place that can make the Hammer rings. Waiting for a quote. Crossing fingers.


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Old 11-16-2016, 02:18 AM   #42 (permalink)
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Old 01-31-2017, 08:14 PM   #43 (permalink)
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Has anybody been able to make progress on the magic rings?
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Old 02-10-2017, 06:49 PM   #44 (permalink)
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Has anybody been able to make progress on the magic rings?
Yes. Testing two sets of prototypes. Technically three sets. The third was a bust. We tried 3D printing them. They did not hold up after 20 cycles.


The two sets we have are installed in 6 VM-68s each that are in varying states of "usedness". Really hoping that the injection molded ones work out the best.

Will keep you all posted.


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Old 02-10-2017, 06:57 PM   #45 (permalink)
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what material did you try the 3d printing with?

also playing a but of catchup on the suggestions, have you tried stacking a standard o-ring on top of an x-ring (quad 0ring) ala ule trigger shutoff on a mag, or would that not get the o-ring out far enough??

im talking about an x-ring in first, then a properly sized o-ring in second.. or does it need to be a smooth surface to push the hammer back
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Old 02-10-2017, 07:00 PM   #46 (permalink)
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what material did you try the 3d printing with?
urethane. Tried 70 and 90 durometer.

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Old 02-10-2017, 07:19 PM   #47 (permalink)
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i feel like there are more options for filament types, when you say urethane, im going to assume TPU, right? TPC perhaps? or ninjaflex TPE.. shame you cant but a few meters of sample materials for cheap to text the different types of materials
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Old 02-11-2017, 04:55 PM   #48 (permalink)
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I wasn't the one who did the 3d printing. I was just told they were done from a urethane stock. Either way, the 90 durometer felt off. And the round outer edges weren't uniform. They have to be to work right.

Can you tell me more about the different options for Urethane? Maybe we used the wrong type?

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Old 05-30-2017, 12:13 AM   #49 (permalink)
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Any updates?
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Old 06-12-2017, 06:09 PM   #50 (permalink)
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I just talked to Smiley yesterday. He said that the route he was pursuing it would be a couple grand to get the seals made. Unfortunately I do not have more info beyond that.
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