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Modular Air Blaster System

What ever you need, you've got it!

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#1 Buffdaddy

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Posted 07 July 2011 - 11:40 PM

I decided to venture out of my backpressure tank adventures for a bit, for pin-tank experimentation. After messing around with designs, I decided to fall back to sheer simplicity. Garden nozzles are cheap, reliable, and usually have decent airflow (or can be modded for improvement). There's your trigger. All you need at that point is a tank and pump.

So here's the result:
Posted Image

As far as a writeup is concerned....it could possibly be one of the simplest things you can construct.

Materials for you basic build:
x" PVC plug
x" by 1/2" PVC bushing
x" by x" by 3/4" PVC tee (the 3/4" outlet threaded)
3/4" threaded adapter
1/2" PVC
1/2" CPVC to 3/4" male hose adapter
Garden nozzle
Bike pump (Used a Bell Airstrike)
SSPB OPV or McMaster OPV

Step one:
Posted Image
Connect your tee, plug, and bushing with the appropriate solvent weld. Hammer the CPVC to hose adapter into a short section of 1/2" PVC, then solvent weld into the bushing. Drill a small hole in the plug, and epoxy your OPV in place. (added after initial pictures)

Step two:
Posted Image
Epoxy your dual action bike pump into the adapter, let cure. Cover the threads with a wrap of thread tape.

After that, you simply need to screw on your garden nozzle, and insert your bike pump, and you're set! My nozzle came from HARBOR FREIGHT, $1.49 at the time. It opens up very far, and the front seal can be removed for simple modding (cutting off the front piece of metal on the pull rod) to improve airflow. Also, it is just a tad over the diameter of 1/2" PVC, so with slight sanding of it and/or fittings, you can easily attach barrels, hoppers, etc.

I have 4 tanks built in this way, ranging from 1" fittings to 2" fittings. The measured volumes are 60mL, 100mL, 160mL, and 225mL, with various nozzles adding 20-30mL on top of that.

Firing is easy, you pull the trigger. Two handed, you have no problem, as your off hand steadies the blaster. One handed requires adjustment to your firing motion; you have to move your arm forward slightly while pulling your fingers closed, in order to keep the blaster steady. It's easier than it sounds, and once you get it in your head to do that, you have no problems with aiming.

http://www.youtube.com/watch?v=wWQvcPDKbCM
Ranges: using the 100mL container, I was getting 90 ft easily, but double feeding. Will have to look at a few things, but it's definitely viable.

Edited by Buffdaddy, 10 July 2011 - 07:08 PM.

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#2 Nerf Gra

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Posted 08 July 2011 - 12:55 AM

I love what your doing with air power. Keep it up
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QUOTE(VelveetaAvenger @ Dec 6 2010, 12:14 AM) View Post

Maybe there's no Mcmaster, but you could make the first coconut airtank.


#3 SonReeceSonJensen

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Posted 09 July 2011 - 12:03 AM

Buff: stop hogging all the P0wn, there is little left to go around. But for real: modular air-power like you have is a great solution for those of us Intimidated by building plunder heads and catches. Sorry boys: not my style. But switch-outable tanks? I can work with this.
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The Difference:
-Guns shoot bullets that kill people
-Blasters shoot darts that tag people

I do not play with guns.

#4 Ozymandias

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Posted 09 July 2011 - 04:28 AM

So this thing is (amusing sane ranges and no rule against homemade airguns) war legal, right?

Also, I love what you did with the pump. That would come in handy for people who have a lot of airguns but don't want to buy a lot of bike pumps.
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If you wish to post anything HvZ related, here ya go.

"...if you've ever suffered the effects of a fucking faggot retard overpopulation, you'll understand what devistaiting effects it can have on one's psyche." - Talio

#5 Buffdaddy

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Posted 09 July 2011 - 09:43 AM

With the OPV on it, the lower ones should be legal for the micro darts we all use. The larger ones will probably have to be reserved for larger ammo/shotgunning. But hey, that's why the volumes are measured, so we can quantify what is safe in this setup.
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#6 diamondbacknf1626

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Posted 09 July 2011 - 11:53 AM

Cool stuff man. Air guns are not really my cup of tea, but maybe that's because nobody has made strides to really optimize them, which you seem to be getting at now. One thing you may want to check out is something like this:
Posted Image
It's obviously for a hose, but what's unique about it is that the valve doesn't operate slowly, depending on how fast you squeeze the "trigger." I'm not sure of it's actual inner-workings, but when you pull the trigger, there's a point at which the valve clicks into the open position. To close, you pull again, it clicks again. I anticipate that this would translate into a much faster air release. I already removed the front portion, but for sake of finding this in a store, it had this on the front:
Posted Image

I purchased it at a local hardware store and haven't really gotten the chance to experiment with it. Maybe you could figure something out.
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QUOTE(TxNerfer @ Nov 13 2010, 12:42 PM) View Post

Hey...I got a crazy idea: how about you stop all that sigging stuff? It's not even my thread and it annoys me.

#7 makeitgo

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Posted 09 July 2011 - 06:03 PM

I have a car washing contraption that this would be perfect for. Great idea.
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"...he is one speedy bastard." ~ Cheyner

#8 Buffdaddy

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Posted 10 July 2011 - 07:08 PM

Video posted in writeup!
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