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Different Nf Problems...

i've searched NH and NHQ and no one's had the same problem as

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#1 Link2TheFuture

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Posted 25 February 2009 - 01:24 AM

I haven't seen anyone else with the same problem, but if I missed it someplace please don't flame; I did search for over an hour on different search engines.

The problem is that the NF I have doesn't shoot much more then a stock. I removed the ARs, put a second spring in, put another o-ring on, as well as a crayola barrel. I'm estimating less then thirty feet, and I'm shooting micro stefans. The barrel was epoxied to the air chamber.

Other stuff I've done: I have taken off the places where the air chamber screws into the shell, but I don't think that's the problem since the air chamber is still a tight fit and doesn't shake around much as far as I can tell. It's been minimized, and I have a little foam around the air chamber where it doesn't get in the way.

Any helpful advice would be appreciated, and don't think I'm a noob. My first mod was the longshot and it gets 70".
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#2 Zorns Lemma

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Posted 25 February 2009 - 01:31 AM

Pictures of the internals would help.
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#3 Flaming Hilt

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Posted 25 February 2009 - 01:38 AM

My first mod was the longshot and it gets 70".


Well no wonder! If your LS gets seventy inches then, by proportion, your NF should only get about twenty-five inches. I'm sorry, but your just a terrible modder and there's nothing we can do to help.

...
Okay, I couldn't resist. Maybe it's my terrible sense of humor. " means inches and ' means feet. ^_^ Seriously though, I was kidding. We all make typos.

If I had to guess without seeing the internals, I'd say try a new barrel. I used to use crayolas and they worked... a little... okay, not really. You are almost better off leaving it stock. Just for kicks though, how well do your darts fit?

[...] and don't think I'm a noob.


Don't worry about it. You're cool. Plus, if we thought you were a noob, saying that wouldn't help your case too much.
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#4 Draconis

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Posted 25 February 2009 - 01:45 AM

Just the thought of the plunger being loose at all tells me that there really can't be a good seal on the barrel.
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#5 Link2TheFuture

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Posted 25 February 2009 - 04:11 AM

I'll have pics up in a day since I can't upload on this computer.

I agree that crayola barrels suck, but could any one or even all of these things combined cause my NF distances to drop 30 or 40 feet?

The darts are somewhat tight in the barrel when I'm using micro stefans.

And I didn't say the plunger was loose.
I don't remeber saying anything was loose at all..

Edited by Link2TheFuture, 25 February 2009 - 04:14 AM.

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#6 Link2TheFuture

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Posted 25 February 2009 - 05:28 AM

Posted Image

Posted Image

Posted Image

If you need more pictures, I can probably get them up later.
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#7 Bullshit Dragon

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Posted 25 February 2009 - 05:35 AM

You might consider a longer CPVC barrel instead of the Crayola.
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#8 Zorns Lemma

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Posted 25 February 2009 - 06:16 AM

I'd start with a longer barrel. Before you do that though, blow air down the current one and see if there's any leaks, particularly where the barrel meets the plunger tube.

Also, unlikely related to your problem, but you probably want to secure that plunger tube.
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#9 atomatron

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Posted 25 February 2009 - 07:24 AM

Just from inferring what you have posted:

Did you lube it?


...If you forgot to...well, that's your problem.
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#10 VACC

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Posted 25 February 2009 - 08:02 AM

Your barrel is far too short. There could be other issues, but that is certainly one of them. Do your darts actually fit all the way into that, or do they protrude from the end of the barrel?
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#11 Carbon

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Posted 25 February 2009 - 09:29 AM

The darts are somewhat tight in the barrel when I'm using micro stefans.

From my experience, "tight" in a crayola with micros is largely because of the fins that help keep the ink cartridge in place. The dart is held somewhat firmly, but a lot of air is escaping around it. You need a tighter barrel to take advantage of your improved plunger speed and seal.

And, like VACC said, your stubby barrel isn't helping matters.
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#12 foxdemon82

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Posted 25 February 2009 - 03:44 PM

Just from inferring what you have posted:

Did you lube it?


...If you forgot to...well, that's your problem.


i should put that in my sig........

anyways on topic:

I think maybe the barrel is too tight and maybe its causing friction...just buy some brass or some of OMC's PETG that will help im sure of it
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QUOTE(Glint @ Feb 15 2009, 07:07 PM) View Post

So stop with all the "new Recon" crap. This thing definately isn't a Recon, I'll wager my soul. Someone can quote me on that if they'd like

#13 Draconis

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Posted 25 February 2009 - 04:49 PM

I think maybe the barrel is too tight and maybe its causing friction...just buy some brass or some of OMC's PETG that will help im sure of it


I think you misunderstand the nature of springers. You want a tight barrel. CPVC is generally very good for stock darts. As Carbon stated, the Crayola barrel is the wrong kind of tight, as there is not a good seal made around the dart itself. Pressure is not built up like it should be.
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[15:51] <+Gears> titties
[15:51] <@Draconis> Titties.
[15:52] <+Noodle> why is this so hard?

#14 1337

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Posted 25 February 2009 - 05:04 PM

Are you sure the o-ring isn't TOO tight? i had that problem. add a cpvc barrel, some lube, and check if everything is airtight, too.
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#15 Nerf Bros

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Posted 25 February 2009 - 05:40 PM

Ug... poor new modders with no friends to help them...
The NF was my first real mod, and my friend Tators really helped me do it right. The best technique is a 3/4 to 1/2 CPVC coupler hot glued onto the second AR (drilled out), then put a 3-4 inch piece of CPVC in the coupler. Now, before you put the gun back togther, you need test it for airtightness Put the plunger in, the blow down the barrel, it air leaks by the coupler, add more hot glue. If it leaks by the plunger, add more e-tape. If the seal is good, lube it up, drop it in, and your ready for battle. One difficulty, though, is the fact that the case will need to be dremeled bigger to fit the coupler.
I fear that here the crayola barrel as proved too good to be true, just because it is dead simple to find doesn't mean it's good to use, stick to CPVC unless you really know what your doing. And if you don't want to buy 10' of CPVC, as a friend for the length you need.
Happy Modding!
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#16 TantumBull

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Posted 25 February 2009 - 06:33 PM

It's probably the spring combo. They're to close in size and are bowing into each other, getting caught. Take the spring addition out and try it.
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#17 General Nerf

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Posted 25 February 2009 - 06:41 PM

My first mod was the longshot and it gets 70".


Well no wonder! If your LS gets seventy inches then, by proportion, your NF should only get about twenty-five inches. I'm sorry, but your just a terrible modder and there's nothing we can do to help.

...
Okay, I couldn't resist. Maybe it's my terrible sense of humor. " means inches and ' means feet. ;) Seriously though, I was kidding. We all make typos.

If I had to guess without seeing the internals, I'd say try a new barrel. I used to use crayolas and they worked... a little... okay, not really. You are almost better off leaving it stock. Just for kicks though, how well do your darts fit?

[...] and don't think I'm a noob.


Don't worry about it. You're cool. Plus, if we thought you were a noob, saying that wouldn't help your case too much.

Well that explains your name.
AAAAAAAAAHHHHHHHH! I am Rambo Fear me with all your might! ugh nnnnnoooooo I just got shot with a nerf dart! AAAAAAAAHHHHHHHH! eh..eh..help me...

#18 Anthrax13

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Posted 25 February 2009 - 06:55 PM

Just from inferring what you have posted:

Did you lube it?


...If you forgot to...well, that's your problem.


added that hilarious quote to my signature, while playing with my butthole!

On topic, like everyone else was saying, your barrel is way too short, and you need some cpvc. I would suggest putting a cpvc coupler on it. I did that, and mine kicks ass.
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QUOTE
Did you lube it?


...If you forgot to...well, that's your problem.

^^atomatron

#19 RVMVTVProductions

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Posted 25 February 2009 - 07:13 PM

I looked at the third picture, and maybe its just me, but I don't see a catch spring! Not only that, I think we need some pictures of the front of the gun. Edit- He said he epoxied it to the air chamber, maybe something is leaking out of that. Other than that, you do need some CPVC.

Hope this helps,
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2nd edit- Okay, that makes sense.

Edited by RVMVTVProductions, 26 February 2009 - 11:00 AM.

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#20 cheesypiza001

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Posted 25 February 2009 - 08:03 PM

The darts are somewhat tight in the barrel when I'm using micro stefans.

From my experience, "tight" in a crayola with micros is largely because of the fins that help keep the ink cartridge in place. The dart is held somewhat firmly, but a lot of air is escaping around it. You need a tighter barrel to take advantage of your improved plunger speed and seal.

And, like VACC said, your stubby barrel isn't helping matters.


Whenever I make crayola barrels, I always use a 1/2" drill bit and just go all the way through the tube. I also use a long circular file to sand out the inside. Also, which side of the crayola are you using. There is a looser and a tighter side to it.
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#21 Link2TheFuture

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Posted 26 February 2009 - 01:21 AM

Okay, thanks for all the info. I realize the crayola is a piece of crap, but it's really all I can get my hands on here. (Japan uses the meter system and I can't find any pipes close to nerf size)
It's too short because I cut off the part of the crayola that has the 'fins' or whatever, so what Carbon said about it can't be quite right. Well, it does need a longer barrel, everyone agrees there.
The springs aren't the problem, TantumBull, I just checked and they don't get caught on each other.
RVMTVProductions, the catch spring flew out when I opened the gun.
The darts barely stick out at all.

So, a new barrel, lube, and check for leaks.

One more thing; what should I do to attach a metal barrel to the plastic? I think my epoxy is watered down or something, because It doesn't stick on metal.
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