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General Paintball Discussions (17 posts)
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User is offline Feb 17 2013 12:11 PM
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Member Title:
Forum Newbie
Age:
33 years old
Birthday:
May 11, 1981
Gender:
Male Male
Location:
Chicago, IL

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Website URL:
Website URL  http://www.youtube.com/LordOdin2008

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Lord Odin

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Topics I've Started

  1. Killjoy APR 2

    07 April 2011 - 10:00 PM

    Announcement from Killjoy Industries:

    Quote

    We made some improvements to our Adjustable Picatinny Rail and the APR 2 not only looks great, it functions great too!

    We made the following improvements:

    -Upgraded to a Larger, 3 Arm, Single Point Adjustment Knob.
    -Tighter lock and Faster Adjustments.
    -Laser Engraved Adjustment Markings for Maximum Visiblity.
    -6 Degrees of Adjustability

    In a nutshell, paintballs drop in their trajectory over a short distance due to lack of speed and gravity. Most sights, red dots, and scopes were not designed with paintballs in mind. So once a sight got dialed in (if it even got dialed in), it would only be good for one distance. That meant guessing at any other distances.

    The APR was designed with constantly changing trajectories in mind. No matter what the distance is, you can easily adjust the rail so that your sight is always dialed in. Even people with an Apex can make use of this. Granted, paintballs aren't the most accurate projectiles (they are a ball, for gods sake) but the APR can help eliminate some of the guess work.

    These work great in combination with first strike capable markers.

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    Here is a picture of it installed on my Phenom.

    Posted Image
  2. Are you an Operator?

    09 March 2011 - 12:29 PM

    What does this have to do with anything? I have no idea... LOL. I was bored.



    PS - I cleared this with mods before posting but if there is an issue, please let me know.
  3. Tippmann A5 sling mounts

    04 February 2011 - 09:56 PM

    It wasn't until recently that I became aware of how few options A5 owners have with sling mounts. Besides the sling mount that comes with the marker or a picatinny sling mount, the only other option is the recently released 2011 A5 sling mount, which is a screw with a loop on the end.

    I'd like to see a variety of mounts that utilize the pushpins holes. One idea is to have a metal strip that is U-shaped but has holes in it to accomodate longer pushpins that are used on the X7. A few simple parts and a piece of painted sheet metal should do the trick. This would be beneficial because it would allow people with stocks to mount a sling inline with the center of the marker. Possibly replace the pushpins with screws so they won't accidentally get pulled out.

    A side-mounted option could also be accomplished in a similar fashion but use a stock pushpin and a grip pushpin hole instead.

    Another idea is to replace the rear sight with a ring that has a similar base. I would just make sure there is no ball bearing, so that the mount doesn't pop out.
  4. How a Tippmann Cyclone Works

    23 October 2010 - 03:13 PM

    Here's a little video I made to help explain the basic the operation of the Cyclone loader. It uses an A5 to help demonstrate how the air supplies the Cyclone but the function will remain the same regardless of the marker supplying the air. It goes through action by action in detail. For a larger video for more visual detail, follow the video to YouTube.



    NOTE: It may need a few minutes to switch from Private to Public.
  5. TechT MRT Bolt Test for the X7 Phenom

    10 October 2010 - 09:01 PM

    I'd like to say thanks to Bad Karma from OP/4 Paintball for lending his Phenom for this test and TechT for donating the bolt.

    First, we disassembled the Phenom and took the bolt off and dried it off of lube. Upon first inspection, I noticed the design is nearly the same with the exception of angled flutes on the outside of the MRT bolt. Another major difference was the tip. The MRT bolt had a rubber tip while the Phenom bolt had a black plastic tip. If there were issues of sharp edges causing breaks, this may possibly fix that issue. Unfortunately, BK said he rarely experienced any problems, so replicating any breaks for a comparison would have taken a lot of paint. So we didn't do a breakage test.

    Next, we placed it on the scale and compared the weight to the MRT bolt.

    Weight:
    Phenom: 36.15 g
    TechT: 14.07 g

    The weight is significantly less; nearly 2.5x lighter.

    Velocity Comparison:
    We then did a velocity comparison. We loaded up the hopper with some Reballs, grabbed the Shooting Chrony (optical chronograph), HPA on remote, and took 30 shot sample sizes. Using Reballs, we tried to get the velocity high enough with the Phenom bolt as a baseline but 260's was the max we could get. Part of the problem was the barrel was massively overboring on the Reballs but it ended up working out anyway. I must note that consistency went down but it is was restricted to the first several shots. I don't know if the system was sorting itself out, excess lube was an issue, or whatever the cause for it but it went away after that but should be mentioned.

    Here was the data:
    TechT MRT Bolt Test for the Phenom.xls

    As you can see, the velocity jumped from 263 to 282 fps. That's 19 fps increase in velocity. What does this mean? It means the air that is blowing the bolt forward does so more efficiently because of the lighter bolt mass.

    Cyclone Compatibility:
    Our next step was to check the Cyclone compatibility with the bolt. When we tried to dryfire the marker, we noticed that the Cyclone was turning at all. It would only turn when a ball was loaded. Apparently a ball is a necessity for it create enough backpressure to make the Cyclone work. So we took the barrel off and loaded up a few balls into the Cyclone housing. Despite our best efforts, we couldn't bottom out the Cyclone from working. It worked from max to min velocity settings. So it should work in semi-auto regardless of the bolt being used.

    Rate of Fire:
    Our final step was to check ROF. We put the Phenom bolt in and checked to see what the max was. Using the stock board settings (13 bps), we noticed that we were able to get good feeding rates. We tried upping it to the stock board's max (15 bps) when we realized that we kept running into issues. Even with the MRT bolt, we also ran into issues. We looked into it and discovered that the stock Cyclone had never been lubed. However, I noticed that the axle and ratchet were stock. The axle teeth have large angles on them, which means the ratchet requires more air to move past them. Once we realized this, we swapped out Cyclone's for mine which had aftermarket parts and the ROF issue went away.

    Conclusion:
    We found nothing negative about the bolt in any way and only positives. It increased the velocity (making the marker more efficient) and added a rubber tip, which theoretically should help with breakage but has yet to be confirmed. The ROF issue wasn't a bolt issue but instead was a Cyclone issue that has always existed for stock Cyclones (hence why they list 15 bps as the max). I think its a good upgrade and props to TechT for making it.

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  1. Photo

    Lt.Col.Vortex 

    20 Feb 2011 - 21:53
    Welcome welcome to the forum. I'm Lt.Col.Vortex from the X7OG.
    I was doing some looking around and I found you.
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