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If you've got high pressure, then you need low volume.
If you've got low pressure, then you need high volume.
For a nerf dart, the high pressure low volume tends to work well, where as with a cannon, low pressure high volume works well.
As far as actual psi... I have no idea. In writing this, I realized I probabaly wasn't any help. Sorry for that?
Blink, is there a link you could provide?
What about that new compressor from Canadian Tire. It "Says" it can inflate an air matress in under 2 min. It only costs 30$ and comes with 2 compressors and a docking station to re-charge it?
I believe that a typical air mattress holds at max 10 psi (probably closer to 4-6). A PVC airtank would need anywhere from 50-120 psi in order to make a pc cycle. I realize that these are just guesses, but nerf darts seem to like high pressure low volume tanks, since the darts have little mass.
So I don't think that a matress compressor would be powerful enough... but that would be nice!
*EDIT* Schveet idea devious!
I also think that a schrader valve would do a pc wonders. You could pump, or use an air tank/compressor. OR, even connect two pumps for SUPER DOUBLE MEGATON PUMPING ACTION!
And, if you would like some help, quasar, with some sort of tank, let me know... I'm pretty good with compressed air.
(enter your zip code, it will show up)
You can use any nerf gun to shoot airsoft pellets. They fit perfectly into this tubing. They're not very accurate, though, and even my little Tanfoglio could outshoot a modified nite-finder any day, both in ROF, distance, and accuracy.
Shotguns for the win!
Any other questions, you can PM me... since this is a Nerf forum.
EDIT: While I was typing, Yogurt posted... Airsoft is actually just a scaled down version of a nerf plunger/tube, as far as I know. It's not like the spring hits the airsoft round: a plunger compresses air behind the round and the resultant force causes it to travel down the barrel. Of course, I may be wrong. Does anybody here know for sure?
1) CO2 becomes expensive (I'm not talking about nerf expensive, I mean expensive in the real world)
2)It's so powerful that the darts destroy themselves after one or two shots.
3)If someone got hit with this and the dart was intact... well it would be like getting hit with a plastic-coated steel weight at paintball velocities. Which is exactly what a stefan is...
4)Those cheap paintball markers have no way to change the air regulation, and the method used to release air from the canister is very primitive. This means that there is never any consistency between shots, AND you waste a ton of CO2 in the process.
5) So let's say you bought a really good paintball marker, and avoided the problems of #4... well now you just spent a ton of money on a product that is only going to shoot a stefan marginally farther. There is a limit to how far these things can be flung... and I think those limits are called physics.
But, it was totally fun to see foam fly that far and fast!
Also, there's a website that was dedicated to turning a cheap paintball marker into an airsoft s n i p e r rifle (there are these types in airsoft). He goes a little more in depth about the problems with these cheap markers.
Unconventional Airsoft - Gas Gun
I also made a variation on this beast... if anybody wants more info, PM me... this is a nerf forum, after all!
It goes in the directory, just because it's cool. But it would have even a higher awesomeness factor if there were pictures to accompany the light (and by "IT" I mean the write-up; the gun is awesome regardless!).
Also, your plunger looks really heavy with the handle on the end of it... is it, or am I being deceived?
Great work though, it looks super solid and quite simple when compared to other clips and loading mechanisms!
Well.. then I guess it didn't work very well, did it?
It snaped in-half during the war. Lol
[Not meant to be offensive!]
Gun in half is a similar problem I am encountering while making my own homemade.
And I sure hope this clip deal turns out to be amazing, because it LOOKS amazing!
Good luck, and brass all the way!
Anyways, umm... would it be a smarter way to go with a craola barrel then PVC pipe? I mean I know fast decompresion makes it cold (isn't that how they make Nitrogyen?) and might make it explode... But how many times would I be safe to do this without it doing so?
As long as the PVC isn't under pressure, you're fine. By pressure, I mean compressed air in a tank made of PVC. If you're just using pvc/cpvc to make a barrel/breech system, then you shouldn't need to worry about the cold. The PVC will hold for more than enough time for the pressure to be released by the dart exiting the barrel.
AND.. Yakkman did this same thing to a Blade02 gun back in the day, although I believe he modified it to shoot micros.
I'm in the same boat as Shindig, with about 5 weeks or so of my sophomore year at UW Madison until sweet, sweet summer, when I get to make money and play shows in Milwaukee, Madison, Appleton, maybe Illinois and Iowa as well rockin the piano with my Bop Rock band called Ticket251.
Otherwise, I'm currently undeclared and running out of time, but I'm trying to get a major created for me that focuses on making music out of foam projectiles.
Actually, I'm thinking about graphic design. But, I'm pretty sure I could BS that above major into existence.
Speaking of art, I'm up at this early hour because I just stayed up all night working on an art video involving eggs being dropped upon me.
And the bands:
George Dust (no site yet... sorry!)
So, if anybody's in the Madison area, and feels like talking/getting hit with foam, give me a ring. A ding a ding.
Oh duce, as far as Lawrence goes... they've got a great jazz program, and a wonderful "classical" program as well... but if you're more into the electronic side of musical performance/production, perhaps you might want to look at University of Wisconsin - Milwaukee? I've heard they have a great electro-acoustic sound department... because at somewhere like Lawrence or U of M, it's either going to be classical, or jazz (which is really classical with some jazz added in for spice), but all the sound production stuff (like recording, mastering, mixing, etc) you're going to have to learn on your own. But, Lawrence does have the Fred Sturm. Good man, he is. (Appleton is one of my home towns.)
OR, you could head over to UW Oshkosh, as they have a double major program: sound engineer AND a music major. Which means you're basically a god at audio, and pretty good at an instrument. It also means you worked your butt off. But music majors do that anyway, eh?
Sheesh I'm wordy.
So which is it? Would you recommend that I keep crayola with PVC or use 1/2" cpvc? And... if I should go with the CPVC, I use it as a nub, correct? And then extend the barrel using something else? I'm pretty new to that...
You need a tighter barrel to dart fit. Get rid of the Crayola and use either Mega home made darts with ½” PVC, or the more common micros using CPVC.
*edit* Piney got to it before me ;D. But I'd have to say that I disagree with losing the PVC entirely. PVC will generally help performance with stock darts because it creates a seal around the tip of the dart ideally with the length is right. Then again I've never modded a nightfinder specifically with a crayola just other guns.)
I've been nerfing since I was a wee lad (my brother and I used to play capture the flag across four backyards), and I've tried modding guns and such, but I've never been able to get the results you all talk about.
The gun in question is the nite finder. I've removed all the air restrictors (by drilling and keeping the "rings" intact), and then I added a crayola barrel, surrounded by approximately four inches of 1/2" SCH 40 PVC. The crayola/PVC are hot glued and electrical taped into place. I replaced the spring with a different one I found at a Farm and Fleet (7/8 x 4 x .080 inches), and I also added a small bungee that hooks perfectly onto the handle.
So, I have two questions: one, how much of the crayola marker should I use? Right now I'm using the entire marker (w/ writing tip). Searching through these posts has revealed nothing more than "use a crayola barrel" (no specifics). My PVC goes about an inch and a half past the crayola.
Second question: whenever I shoot a dart (stock or stefan) it whirly-gigs out, with a max range of about 20 feet. The dart flies in a straight path, but the back end circles through the air. To me, it almost looks like the gun is trying to push the back of the dart past the front, and that the two ends are in a struggle.
Sorry for the length of this post, but I've seen so many on this forum where the first response is "Details, please!" I have probably forgotten something important...
(and sorry for an nf question... sort of...)
I was wondering though, ShadowS said that this stuff sticks to CPVC or PVC when you try to make a dart out of it. Well, what if you lube up your tube with either some grease, olive oil, vegetable oil, pam, wd-40, ANYTHING like that. Or, if you rolled some wax paper into the pipe, then sprayed it, it seems like the paper might come off pretty easily.
As to it being more porous than FBR... I think the point here is that you wouldn't need to worry about straightening it. That's usually the problem with my Stefans, since I'm too lazy to do something about it (although I usually straighten them by leaving them in barrel pipes).
Still though, any takers? I'm pretty fired up about this... but I don't have time/materials to try it out (being in my apartment).
I believe he was talking about sawing the entire front of the gun off, including the grey hinge-mechanism, thus alllowing for longer barrels. I think there was a previous topic on this (or at least a post). I would recommend just buying a maverick, and using it for its ROF, and not doing anything to it (except the swing out mod). I tried modding mine by putting in CPVC barrels and it doesn't fire as well as my brother's stock. The reason for this is the gap between the cylinder and the plunger, as when you take the cylinder apart, this upsets the careful spacing of the unmodded gun.
You can't extend the barrels because the grey hinge is right up against the edge of the barrels and with a barrel extension the drum wouldn't rotate.
But if you do find some awesome way to extend the barrels and it works, let us all know!
Oh maverick: it's proof that clothing doesn't make you cool.
The only reason I've tried using solinoids and such for nerf is because I hate building custom parts, and thus far, I haven't found an easily adaptable valve that can be used for a variety of applications (with the exception of the at2k). The at2k valve is still unwieldy though...
Lately, I've been trying to pack as much power into the smallest possible shell.... to no avail.
Last summer I built a "nerf" gun using PVC and a blow-gun-modded sprinkler valve. It's only half done... but it does shoot 1/2" stefans with ridiculous accuracy. But it takes about 5 pumps of a bike pump to get there. Everyone is going to hate me for this... but it's basically an s-rifle without the niper.
It's at my house in a-town, but I'll see if I can get my brother to take some pics or something.
Anyway, the point of all this is to say that: ball valves = slow and innaccurate due to the amount of force required to open it (your whole arm must move), where as sprinkler valves = awesome fastness, but nearly impractical for nerf due to size.
If I had made my air chamber smaller, then this gun would have kicked awesome bootang... but I didn't, and now it kicks bootang, but not nerf. Only larger things. Like marbles.
And Mr. bowie, the piston valves... have you ever tried shrinking one without making a whole lot of custom parts? This isn't meant to be sarcastic or anything, I'm just wondering. So far, I've had troubles, both due to size AND the "seal-off" pressure crutial to getting the thing to close.
Ok. I'll try and get pics up at some point...
I'm REALLY interested in your results... and how you made that 1" homemade valve... do you have any pictures?
I think the mav is better stock, with the pegs removed so that it can shoot stefans. It is just so difficult to get a good plunger/turret seal, that it almost isn't worth it. I tried the cpvc mod, and my brother's stock shoots farther.
By the way, you have the honor of the first Mad Hornet mod to be added to the directory. Gawrsh!
Right now, I'm thinking that the CPVC is too tight for the mav. It puts out such little air, that perhaps the usual benefits of a tight barrel are killed by friction. Before this, I also tried just drilling out the restrictors, and found that the range was less than my brother's stock mav.
This gun... so cool... yet blows. Anybody have some suggestions? I'm not going to post any pics, simply because mine looks exactly like on the mod right now.