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Abp5k

Actuated Breech Pistol II

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#151 Foam Shooter

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Posted 21 October 2007 - 01:43 PM

Ahhh that sucks. Never trust luggage handlers. I was just watching a thing on TV that said to write your name and adress on the outside and inside of your bag so you're lucky. Hopefully they will return it to you. I'm assuming you were on your way to Hell when you lost it so goodluck without it. Also I would imagine this is hard to aim because of the barrel position. How is it's accuracy?

Edited by Foam_Shooter, 21 October 2007 - 01:45 PM.

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#152 CaptainSlug

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Posted 21 October 2007 - 04:26 PM

Also I would imagine this is hard to aim because of the barrel position. How is it's accuracy?

It wasn't hard to aim at all. I could adjust the elevation of the sights and get very consistent results.
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#153 AssassinNF

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Posted 21 October 2007 - 04:45 PM

Wow, that sucks. I wish you the best of luck in getting your gun back.

What do you plan to do if you can't retrieve the ABP5k? Are you going to make another one (it would be easier the second time around, right?), or say "fuck it"?
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Probably dead by now, or something.


#154 Foam Shooter

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Posted 21 October 2007 - 05:17 PM

So it's an accurate, good looking, realistic, semi-automatic nerf gun that doesn't need to be cocked or pumped? :blink: WOW!

Edited by Foam_Shooter, 21 October 2007 - 05:17 PM.

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#155 CaptainSlug

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Posted 21 October 2007 - 06:35 PM

What do you plan to do if you can't retrieve the ABP5k?

If I have to start from scratch I'll probably make a new design that uses an actuated ram-rod breech and a gravity clip. Using magazines was making the gun rather large and makes reloading a pain.

So it's an accurate, good looking, realistic, semi-automatic nerf gun that doesn't need to be cocked or pumped? :blink: WOW!

Realistic? No. Everything else, yes.

Edited by CaptainSlug, 21 October 2007 - 06:36 PM.

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The little critters of nature, they don't know that they're ugly. That's very funny, a fly marrying a bumble bee. I told you I'd shoot, but you didn't believe me. Why didn't you believe me?

#156 lionhead333

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Posted 21 October 2007 - 08:08 PM

Damn! I was looking forward to seeing this at DCNO. Sorry Sluggy. I really hope you get it back.
I lost nearly my whole arsenal in an Airbus mixup. I got my stuff back, but I'm pretty sure the passenger kept 3 of my discontinued guns.
Even if the guy contacts you, don't expect everything back.
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#157 jwasko

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Posted 21 October 2007 - 08:36 PM

Note: I didn't want to post off-topic in the DCNO thread. So, I quoted from there but am posting here.

- 4500/88 paintball tank
- CenterFlag 201 adjustable on-tank regulator
- Clippard MAR-1P adjustable regulator

That really sucks as far as money spent.

- ABP5K w/ two longshot magazines
- BOB II
- Two Modified Nitefinders
- 500 of my style of stefans

That really sucks as far as time spent developing/building/dartsmithing.

Lesson I learned: Always take your Nerf guns in a carry-on, if at all possible.

I wish you luck in getting all that back, CS.

Edited by jwasko, 21 October 2007 - 08:36 PM.

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#158 CaptainSlug

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Posted 25 October 2007 - 01:07 AM

So, many have been asking if I would make plans available, or make another one in the somewhat near future. Here's the answer.

If you ever get to the point that you want to give the plans away or sell them for that matter. I would be intrested in picking up a set of the plans. I have the skills to build one just not the time as of right now.

If and when I get around to making a second one I have had many requests for a write-up rather than a build log.

I didn't make the thread as a write-up simply because the gun was extremely experimental in nature. I went into it knowing that there were a lot of unknown because there's very little in the way of solid numbers when it comes to the the requirements for an effective air-powered Nerf gun.

The only thing I wasn't happy with in terms of results was the fact that the minimum operating pressure of abp5k was much higher than I had wanted it to be. I'm pretty sure the cause of that is the trigger valve being smaller than it should be.

To make another you would have to have access to all of the same tools as me. And that's a lot of tools. I used...

+ Table Saw
+ Drillpress
+ Scroll Saw
+ Band Saw
+ Machine Lathe
+ Manual Knee Mill
+ Tapping Set (1/8 NPT, 1/4 NPT, & #6-32)

The part cost is hard to estimate but I'm pretty sure a duplicate would involve $100 in materials, not counting the excess supplies leftover. I need to experiment with larger valve designs to see if I can get a lower minimum pressure level, and the other flaw in the design was the difficulty of routing tubing because I hadn't expect to be using the larger sized I ended up needed to use.

tl;dr version: No not yet. I would have to make another one with some changes.


And to answer the "will you make me one and how much would it cost" question, the answer is: No.
Even though it only took me a few days of machining to make 95% of the parts, it still involved a lot of materials and effort. More than I was expecting it to.
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The little critters of nature, they don't know that they're ugly. That's very funny, a fly marrying a bumble bee. I told you I'd shoot, but you didn't believe me. Why didn't you believe me?

#159 zezjek

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Posted 04 January 2009 - 08:46 PM

dear god man! That's the best hommade I've ever seen! Where did you get the plastic? I need some for a currentb mod and the stuff seems pretty durable. Again, that's the best I've seen in all of my 10 weeks here at Nerfhaven!
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#160 rokor

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Posted 04 January 2009 - 09:05 PM

dear god man! That's the best hommade I've ever seen! Where did you get the plastic? I need some for a currentb mod and the stuff seems pretty durable. Again, that's the best I've seen in all of my 10 weeks here at Nerfhaven!


And in that 10 week stay did you learn anything? The last post was fromOctober 2007, necro much?
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#161 Groove

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Posted 04 January 2009 - 10:16 PM

Check the post date before you reply, people. In the mean time, enjoy your suspension, zezjek.


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