Digital.Complex: [nerf] Rival Zeus MXV-1200 - Digital.Complex

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[nerf] Rival Zeus MXV-1200

#1 User is offline   aotsukisho 

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Posted 10 September 2015 - 04:32 PM

Our local Target and Walmart finally got the Rival line of blasters in stock, nearly a month after their launch date. I immediately picked them up and discovered for the first time that Walmart ($52) had a better price than Target ($60).

I picked up a couple of magazines for it as well due to it being a new design, but as of right now they are still unopened. I will test them later, but my first firing tests revealed that the Rival ammunition is roughly 1000x more easily lost than darts lol.

Anyway, on to the photos!

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Here's the boxes for the blaster and the magazine refills. It looks a lot nicer than the normal N-Strike Elite line, for one it's fully enclosed in cardboard and not just strapped to a backing. Good job on the packaging Hasbro, it's very clear that this is aimed (teehee) at an older demographic.

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Looking at the rear of the packaging. Same consistent style, focusing on the team-based battling aspect.

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Pop the side open, and you can slide them out

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Can't wait to use these tiny foam golf balls

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Here's the Zeus inside the box

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Snap-in side rails. They are different, and the keyed snaps are so you don't put them in the wrong side. You can install them in any direction on the correct side however.

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Cut out of the twine

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Snapping the magazine in is surprisingly easy, but note the asymmetrical butt fitting into the Zeus body. It cannot be installed upside down, since there is a release mechanism on the top front of the magazine.

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Flip-up sights

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Installed the loaded magazine, ready for a stock test fire. It was around this time that I noticed that there is only painted graphics on the bottom shell and not this side.

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Strapped the Gopro on it for a test firing video.

This was my first night testing the Zeus and as such I did not tear it open. The test firing video is linked below if you are interested.

https://www.youtube....h?v=GKfdVTmy-a8

Now onto the second and third day, where I actually tear this thing apart.

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To my pleasant surprise, I found that the triangle-bit screws can be removed using 1/16" hex driver. Future reference.

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Using some Philips-head screws removed from previous blaster projects to resecure the buttplate after removing the battery tray.

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Here's the screw pattern. Basically you don't have to remove the two screws in the upper tactical rail, and the short screws go in the handle. The other ones are all long and more or less the same length.

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Cracked open the shell and here is the stock wiring. To my surprise it's the same gauge as the Rapidstrike, which is surprising considering that the flywheels in this blaster are considerably larger than previous electrics. Also, the flywheel spacing is a lot smaller compared to the ammunition, and the motor cans are larger (3xx?).

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Same inductor lattice as the Rayven, with three caps and a PTC per motor, along with a larger PTC up closer to the battery box.

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Fairly standard accel trigger switch layout

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Here's the safety switch on the top shell, basically it interferes with pulling the accel trigger

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It's a mechanical lock for an electric switch, which eases the wiring considerably. Either way, it had to go

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Two screws later

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I might use this location for something in the future, but for now it shall remain empty.

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Removing the accel trigger switch plate. This is the same type of switches as the Stampede and Nitron.

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Switch depressed

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Flipping over the flywheel cage (half cage, technically) and you can see the mechanical and electronic locks right next to the flywheels. The bottom one is for an empty magwell and the top is for the open jam door.

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I took the plate off and it exploded so I'm not sure if this is the original layout or how it's supposed to work, but all that crap is getting removed so I didn't care.

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Bottom shell with all electronic components removed. Note that you have to open the jam door in order to remove the flywheel cage.

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Desoldering

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I got carried away looking at the firing mechanism, this pin pulls against other levers in order to open the door and chamber a round. I noticed the relatively hard trigger pull and wondered if it would improve the design to ball race the sliding parts of the mechanism.

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Cut down the plastic reinforcement and with difficulty slid on a 3x5x3mm bearing.

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There was another plastic bearing on the upper area, I put on what I believe to be 4x7x5mm bearings. They fit perfectly, and I could reinstall the stock screw.

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Much better. The forward bearings tightened up the action considerably,

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Mild trigger pull, notice the rear bearing riding up the ramp.

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Full trigger pull. I marked where I was gonna cut off the excess trigger plastic since I was planning on using a microswitch for the flywheels, but I changed my mind to using a relay afterwards.

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Testing the layout for the relay up top, as close to the flywheels as possible. I wanted to run one per flywheel and bolt them directly the the flywheel cage, but there wasn't enough space for the automotive sized relays I was using.

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Closeup on the chopped trigger

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Doubled up spring on the accel trigger ramp. These came out of the safety locks on the Nitron or Fusefire, I think.

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Kickback diodes installed on the flywheel motors

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Wiring everything up. Note that the hookup on the relay in this photo is incorrect, as I misinterpreted the silkscreened schematic.

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Wide shot of the wiring. It's fairly simple even with the relay.

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Sunk the power leads into one of the open cells in the side as a form of stress relief and yank-proofing the solder joints.

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melted a slot in the upper rail for the relay screw to fit in

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First try

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Wide shot of everything hooked up

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Can't even see the modifications from the outside.

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Everything put back together and ready to go!

Here's my current thoughts

Zeus Pros:
- Very cool looking
- Great power out of the box
- Noise complaints in reviews were clearly made by people with no experience modding, the noise isn't that bad

Zeus Cons:
- Crunchy trigger pull with inconsistent resistance throughout
- Stiff accel trigger
- Tactical rails are different than older N-Strike ones
- Can be difficult to properly seat magazines
- Inconvenient battery bay dimensions

I'll post more when I do further testing or more modifications, I'm really looking to putting in some sort of lighting or voltage meter. We shall see what the future holds.
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