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#359074 Homemades Picture Thread

Posted by EocDragon on 06 April 2017 - 07:28 PM in Homemades

3rd Gen RAH models:

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A little over a year after losing the hard drive with all of my STLs I've finally recreated full part files for both my Pump-action and Bolt-action variants, along with a number of improvements. By mounting the handles externally rather than internally, I can remove the handle easily for maintenance or I can use a traditional PVC bushing, which would have been very difficult with the previous design. I've also made a number of smaller adjustments, going to 4 mounting screws from 2 for additional stability, shortening the trigger for a more comfortable pull, and using a number of lessons from the previous models to build in tolerances to make everything run more smoothly. The Pump-action variant is currently borrowing a slide from an older version until I get a hold of some more 1 1/2" thinwall.




#357155 Homemades Picture Thread

Posted by EocDragon on 14 December 2016 - 08:02 PM in Homemades

These are basically homemades:

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So I've been collecting Berserkers for a while because they have that sweet, sweet 4B tank inside. Berserker shells are hot garbage though, so I never did anything with the dozen or so that I have, since I don't want to just chop the front off of the shell and call it a day and I also don't want to spend 6 hours dremeling the fuck out of some other, better shell for each one and every one.

 

I do have a 3D printer though, so rather than remake all of the files for my springer homemades that I lost when my hard drive crashed last year, I procrastinated and made these instead. They're essentially 3D printed shells specifically for the 2nd Gen Berserker tanks so that I can print them over them the course of a day and then drop the tank in with minimal effort. Everything is mechanically fastened so the whole thing comes apart to maintain the tank or replace broken parts if that happens. 

 

Ranges are unplugged 2nd Gen 4B ranges. I might eventually make a version for the 1st Gen tanks, but those Berserkers are less common (fun fact, did you know that there are 5 variants with the 2nd Gen tank to the one original variant with the 1st Gen?). For now they're pretty easy to make loaners for wars (it's harder for the kids to break unplugged air blasters).




#349531 Homemades Picture Thread

Posted by EocDragon on 20 November 2015 - 02:46 PM in Homemades

I've finished a couple of projects since Haven went down and figured I'd post them:

 

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This one I've actually had for a few months now, but I recently got the chance to take it out to a war a few weeks ago. Back around Apoc I adapted Ryan and Kane's Pullscrt design to pump-action in an attempt to create a viable 3D printed springer. The design worked, but I was unhappy with a lot of the design choices, so I sat down and redesigned just about every part and this was the result. It's powered by a full [k26] and a good 7" of draw and it shoots nice and hard. 

 

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One of the biggest changes was how I designed the bushing. I found that a solid bushing was imprecise and tended to leak air around the barrel. My new design has both and outer and an inner o-ring to seal the bushing to the body and the barrel. I still want to play a little with the tolerances, but the result is a bushing that provides a decent air seal without any adhesives. 

 

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The other major design change is the trigger, which is printed in one piece instead of two. I found that this allows the trigger to slot in better straight off the plate. Eventually I plan to design a "cap" that will fit over the end for a more comfortable pull. I also use a more slimmed-down plunger head with an x-ring seal. The x-ring has performed well for me so far, though it's hard to tell just how much extra range I'm really getting with it. 

 

My RAPAH design would have only been possible with the technical help of NerfoMania, but I don't want to have to rely on him every time I want to build a new homemade, so I've been practicing with these:

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This RABAH design uses most of the same parts as the RAPAH design, but with a free-flowing bolt-action prime rather than a pump-action prime. I started by emulating an Aeromech-style pullback and ended up making some design changes for safety reasons. I used a [k25] for priming reasons and they have about 7" of draw, which might be a little too much.

 

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They prime by pulling the bolt back, which in turn pushes on a back plate to pull back the plunger rod. The bolt then returns forward on its own with the help of a return spring, which helps to reduce the chance of face-diddle and looks damn cool if I do say so myself. The prime is a little awkward but will be somewhat familiar to anyone who has used a snapbow or plusbow extensively. I've built two of these things so far and I'm relatively happy with the design; in the future, I plan on designing some kind of bracket to mount a handle or grip to and some way to mount a scope on it for the lulz. They take about 3-4 hours to build once all the parts are printed, which is a fantastic turn-around time for a homemade.

 

 




#348129 Homemades Picture Thread

Posted by EocDragon on 30 July 2015 - 02:05 AM in Homemades

Prepped and ready for Apoc:
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I started this project with the hope of creating a mostly 3D printed pump-action primary. I was mainly looking for two things: easy to manufacture and to hit the century mark and this blaster does both, though it definitely has room for improvement. This blaster is essentially a SCRT design modified for pump-action.

Facts about this blaster:
All of the internal parts and mechanisms are 3D printed. Total print time for all the parts is ~27 hours.

NerfoMania and I assembled the blaster in about 4 and a half hours, which included all the body measurements and cuts as well as two plunger rod iterations. I'm reasonably sure that with some practice the blaster could be assembled in around 3 hours.

The blaster is 25.5" long. It's comfortable to hold as is; that being said, there is a lot of waste in the SCRT design. The front bushing is almost twice as long as it needs to be, the plunger head is larger than it really needs to be, and the handle is about 1/2" too long both above and below the trigger. The front halfpipe is completely unnecessary and the back end could be shaved down slightly. If I so chose, the second iteration could probably be under 2' long.

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I originally started with a [k25], but the spring's performance was slightly disappointing range-wise. I upgraded to a [k26] with no trouble fit-wise, although it caused some mostly superficial wear to the first plunger head. I modified the design and printed it at 100% fill, and if it continues to give me issues, I'll print it in a carbon fiber composite I got in. The [k26] is almost full compression and got me to the century mark before the front seal was finalized.

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I may have misread the diagrams, but I believe that the original SCRT design had the front bushing entirely mechanically fastened. This would have made the blaster magnitudes easier to service, but I had a small leak in my setup; not enough to be non-functional, but enough to impact ranges and bother me. I gooped the front bushing in tonight, which should improve the seal to acceptable levels. I also removed one of the two O-rings in the front, which I felt was no longer necessary.


Overall, I am impressed with how the blaster came out, and I'm excited to put it through its paces at Apoc.



#341068 GEORGIA WAR: NoMNE 4.0

Posted by EocDragon on 07 August 2014 - 09:28 PM in Nerf Wars

Soon
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#340704 GEORGIA WAR: NoMNE 4.0

Posted by EocDragon on 25 July 2014 - 08:08 PM in Nerf Wars

Oh, the joys of not warring for a while.

Applejack, as I suspected, broke her trigger at the last war. I've ordered a Polycarb replacement, but as it just shipped today, she won't be ready for the war.

My pumpsnap died a while ago, and I'm begining to suspect that it may be permanent. I have one idea to try, but otherwise, RIP on brave rustler.

My original Quadshot was in suprisingly (or not) good shape. I've already regreased it, and it's otherwise good to go. It's amazing to think that I've had this blaster since my very first war, and that I've used it at least once in almost every war since.

My second Quadshot, despite being newer and theoretically better than the first, had some matter of deficiency if I remember correctly. I plan on looking at it when I get home, and hopefully I can get it working to a reasonable capacity, since it will probably be the only other springer I have this weekend. I could also try and finally fix the Octoshot, but that's probably more trouble than it's worth.

All of my airblasters are thankfully fufilling the expectation that they require almost zero maintainence. Unfortunately, I'd only consider using one of them; the original 4B I own. One of these days, I'll put together another 2 or 3 SVT 4Bs out of the parts I have, and potentially a few of my own BBUMBs, but today is not that day.

Finally, I have the feeling that the last time I warred, I had an unfortunate lack of barrels for the absurd number of working blasters I own. So a sizable portion of my time tonight will probably go towards making an assortment.

Hopefully, tomorrow it will all be worth it.



#339680 GEORGIA WAR: NoMNE 4.0

Posted by EocDragon on 21 June 2014 - 12:01 PM in Nerf Wars

It's far enough away that I should have enough time to put something together, so I'll plan to be there. Will there be active discussion this time, since I missed the last one when our forum died and people stopped talking.



#338630 Next GA Nerf War

Posted by EocDragon on 02 May 2014 - 06:08 PM in Nerf Wars

Is this going to actually happen or no?



#317991 3DBBQ Nerf fighting skills

Posted by EocDragon on 04 July 2012 - 07:26 PM in General Nerf

It's hard to tell how serious your being, so I feel I should clarify.

The awfuls round is something we play in the SE, completely for fun. We cap ranges at 15'and we try not to take it too seriously.

That being said, everyone has learned to punch their blasters in order to be more effective. We don't do it for range, although the extra range is nice. We punch in order to get a higher dart velocity. As you can imagine, dodging a dart from a Tek 3 isn't terribly difficult even from 5' away, so doubling our dart velocity makes it much easier to get a hit.

On the other hand, I'm something of the resident pistol champion at our wars, and I never punch in pistol rounds. Even when I played HvZ, it was something that people rarely ever did. I think that while it has potential, the entire thing is just too complicated to provide any real benefit outside specific niche situations.



#317953 3DBBQ Nerf fighting skills

Posted by EocDragon on 04 July 2012 - 12:38 AM in General Nerf

This absolutely works. Punching is one of the black art wizard techniques we use during the awfuls round to get more range out of the crappy blasters. If you want to get maximum range though, you need to run and leap forward while simulataniously punching at a 45 degree angle, pulling the trigger at the end of your punch. If you do it right, you can both quadruple your range and throw out your arm at the same time.



#317187 Apocalypse 2012

Posted by EocDragon on 19 June 2012 - 02:35 PM in Nerf Wars

So as it turns out, it looks like I'll be in Jersey that weekend for my grandmother's birthday, which means I have a decent chance of making it. As such, there are a couple of questions I'd like to ask. I apologize if anything I ask has an obvious answer.

In the SE, we tend to be really lax in our restrictions and I'm pretty sure our rulesets are different in general. Could someone send me a complete ruleset or a link to one?

There's maybe a 50/50 chance that I can borrow a car to drive over there, but on the off chance that it isn't an option, how likely is it that someone could drive to the nearest train station and get me? I'd be willing to pay for gas of course.

Lastly, what times will it be? I don't need anything super concrete, a rough estimate for start to finish will do.

Thanks for the help. I hope to be there.



#315124 Modification and Paintjob Pictures

Posted by EocDragon on 02 May 2012 - 09:53 PM in Modifications

They say first impressions are the most important...

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