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The N.m. F.a.c.

In progress and looking for some ideas.

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#1 KnightValor

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Posted 16 April 2006 - 11:54 PM

Sorry, I can't post pictures of my mod work right now, I don't have access to a camera.


However, its pretty simple what I have done so far, and what I am going to do. But I want ideas, ideas, ideas to make this as successful as possible.


A while back, I decided to build an automated airsoft turret, and to be portable I decided to use a tiny gun, and it had to be electric, so I chose a (hard decision) mini electric airsoft gun.

I chose this one below because it was two for eight bucks each and I was hoping to make more than one... and sell them.
Posted Image

Anyway, I had some problems with the first one involving the required current to flip the only relay at any nearby radioshacks, and inability to use a transistor because the gun requires 2 amps of current... I have the solution to make it work in my mind, but I am too damn lazy to start it up again...

Anyway, this project is to build a duisguisably hidden five round burst automatic little... thing... that you can bring with you for when the situation gets tight...

NM-FAC stands for Nerf Mini - Fully Automatic Crap.


What I have done so far is remove the trigger and safety, replace the four AA batteries with a 9v, and cut away up to the sight so that part of the barrel is exposed and nerf darts can be jammed on there. The trigger is replaced with a crappy little switch coming out the back, held up only by a thick wire, as I intend to make it able to gun up your sleeve to go on, say, a watch for secret firing. I tried adding a little smaller barrel in front for the dart to go on, but it fell off, and it isn't what I want to use in the end ANYWAY. I also had a problem with the barrel wiggling, which I hotglued in place, and I also had to flip the thing which allows the airsoft bbs to enter to upside down, thus preventing leaks.

I am soon going to hacksaw off everything unnecessary... The fake clip, the whole front barrel, the stock (brain fart... that doesn't sound right... the shoulder rest??), and the handle (which is also the ex-hopper). All that will be left is a little box.

I am going to get a spring hopefully 1.5-2x as powerful in order to slow down the ROF, which at the moment is probably around six or seven rounds per second... Too high to be good for what its made for - no need to aim, simply point and shoot.

I am also thinking about making two wire loops around each dart (with a single wire connecting the loops) that controls when electricity can go through the gun. This way I could use a weighted clip without risking hitting someone in the balls with a block of wood (speed won't be a problem... I'm expecting a 20ft max range when done)

Also, the piston case is made to go backward in the process and then forward, allowing an airsoft bb to fall in before the plunger goes all the way forward. Right now there isn't much I can do to stop this, but I am going to replace the weak string with a much stronger one, and the problem will be solved.

Lets see, what else...


I am thinking of using a gravity fed mag that is RIGHT NEXT TO the plunger, which holds only five darts. Maybe I will go to four or less, depending on the size issue... This gun won't be worth shit if it gets in the way, is impractical to hide, or weighs so much it throws off your aim when on your arm.


Well, I am looking for people to suggest things in order to make this the perfect hidden spy auto burst weapon, including what to disguise it as. I'm thinking just have it as a weird kind of box that straps to your forearm, with a ring on your index finger that can easily be pressed with your thumb.

Anyway, comments/suggestions/flames (lol)?

Hopefully I can get a pic of the internals for you.

And at the moment it shoots about four feet (lol) but I'm not worried about that, a stronger spring, maybe even a larger piston, and mathematically calculated barrel sizes will fix all.

Edit:

Okay, for the moment, this will have to do. If you look closely, you can see the motor above the handle, which turns that big white gear, which pulls back the piston. The handle is the hopper, and ammo is dropped in when the piston case or shell or whatever its called goes back, revealing a hole for a bb to fall through.
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Edited by KnightValor, 17 April 2006 - 12:04 AM.

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#2 Maverick Master

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Posted 17 April 2006 - 06:25 AM

From my experinces airsoft and nerf just don't go together. I have been in airsoft for about 4 years now and in nerf about 2. I have attempeted this beforeand it just dosn't work. Also use a more powerfull gun with stronger gears because withe 9v and stronger springs and things those will just shatter.
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#3 KnightValor

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Posted 17 April 2006 - 08:49 PM

Yeah. This is 100% expirimental... It is not meant to shoot even 20', but rather be a backup which allows you to defend against charges, and make charges, well.

At the moment I can shoot about eight feet, which will be enough for the moment. As for the grinding gears... its the "nerf mini - fully automatic CRAP". I don't expect it to last years, and I don't expect to use it enough to really care when it breaks.


Just got another step completed... As I had suspected, there was a part on the gear that pulled back the piston shell/case/whatever. I simply got some toenail clippers (I was lazy) and clipped off what catches the gears. Problem solved.

With that done, all I have to do in the power upgrade is get a new spring. w00t.


Next, I plan on making a universal airsoft to nerf clip addition that can be put on a standard airsoft barrel. As you said, airsoft and nerf just don't mix, but it is at least a way to easily make a fully automatic rifle whenever you need it, whatever its range/accuracy/clip size might be.
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#4 blinkycc13

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Posted 17 April 2006 - 09:34 PM

hmmmm, I don't really understand how this is working, but i'm sure i'll figure it out.
I just got back from Lowe's, because i am attempting to build a homemade airsoft/nerf gun. I am planning to make two interchangeabl breech barrels, one nerf size, one airsoft size. My gun will probably and up looking kind of like the Zero cutlass homemade. Same concept. Airsoft bbs need a 3/8" inner diameter barrel, which is hard to find. So far all i have is somesink part thats a good 20" long for the airsoft barrel.
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QUOTE(Dark Shrimp @ Nov 10 2006, 11:06 PM) View Post

This is called a screwdriver it is used to unscrew or screw in screws.

#5 davidbowie

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Posted 18 April 2006 - 08:17 AM

My gun will probably and up looking kind of like the Zero cutlass homemade. Same concept. Airsoft bbs need a 3/8" inner diameter barrel, which is hard to find.


Airsoft bb's need a 1/4" ID barrel (about). You can use 1/4" ID Polyethylene tubing and sleeve it in 3/8" steel, or something else (bamboo?)

KV, wow...

well, at least you're building it instead of spending weeks speculating.
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#6 Vicious-V

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Posted 18 April 2006 - 11:48 AM

My gun will probably and up looking kind of like the Zero cutlass homemade. Same concept. Airsoft bbs need a 3/8" inner diameter barrel, which is hard to find.


Airsoft bb's need a 1/4" ID barrel (about). You can use 1/4" ID Polyethylene tubing and sleeve it in 3/8" steel, or something else (bamboo?)

KV, wow...

well, at least you're building it instead of spending weeks speculating.

The cheap BIC pen tubes work really well. BBs fit well in to it but able to roll in it. Just pop off the bottom cap and pop of the top.
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#7 KnightValor

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Posted 18 April 2006 - 10:17 PM

KV, wow...

well, at least you're building it instead of spending weeks speculating.



B) :angry:




:P My thoughts exactly!


Process from now on will be slow, though... Damn internet courses! They're way too easy to fall behind in. :(
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#8 davidbowie

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Posted 18 April 2006 - 10:40 PM

Process from now on will be slow, though... Damn internet courses! They're way too easy to fall behind in. sad.gif


Amen!
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#9 blinkycc13

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Posted 19 April 2006 - 05:46 PM

I have spent weeks speculating ; ). My 6mm airsoft bbs fit perfectly inside of this sink connector I got at Lowe's. It said its inner diameter is 3/8".

Edit: After checking, the tag says OD 3/8". Sorry, i'm stupid. So 1/4" PVC would work? Also, how do you cut the breech holes?

Edited by blinkycc13, 19 April 2006 - 05:55 PM.

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QUOTE(Dark Shrimp @ Nov 10 2006, 11:06 PM) View Post

This is called a screwdriver it is used to unscrew or screw in screws.

#10 WratH

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Posted 19 April 2006 - 06:23 PM

Sorry to burst your bubble, but putting in a 2x stronger spring WILL (not might, WILL) strip the gears and all you will have is an electric motor inside a box...
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#11 sniperdude

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Posted 19 April 2006 - 08:23 PM

I tried the exact same thing but with a clear blue one. while im not sure if theres a difference i will tell you right now that iw wont work considering, have you seeen how small that plunger is?

its like

O====== that big<<<and your not getting enough pressure to pressurize a nerfdart unless ur planning on reaaaally small shotgun darts.
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#12 KnightValor

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Posted 19 April 2006 - 10:19 PM

I tried the exact same thing but with a clear blue one. while im not sure if theres a difference i will tell you right now that iw wont work considering, have you seeen how small that plunger is?

its like

O====== that big<<<and your not getting enough pressure to pressurize a nerfdart unless ur planning on reaaaally small shotgun darts.



Yeah. It is actually larger than most $10 electric guns... lol, I know it doesn't mean much, but its twice the size of my tokyo marui glock 18c ebb...

And I have already made it shoot 8+ feet... a better (okay, not 2x... but better nonetheless) spring, an actual barrel for the darts to go in (for the moment I am just jamming one onto the airsoft barrel), and one inch stefans, I should be semi alright.

Look, this is mostly expirimental, and the REAL result will be the clip attachment out of pvc that can be fitted onto your airsoft gun's barrel and will give you a three to seven round clip of nerf darts, and a barrel for them to go through. Think about it... If you could make a full auto nerf gun by simply glueing three pieces of PVC together and screwing it onto your full auto airsoft gun... wouldn't that be sweet? Even if it has a max range of under thirty feet, the cost to benefit ratio is very good (assuming you already have an airsoft gun)
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