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T.i.m. (the Incredible Machine)

My first homemade

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#1 Norther of Heaven

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Posted 29 January 2009 - 10:43 AM

250th post.. how convenient!

I believe i got the idea for this from playing the latest Call of Duty game with a friend a few weeks ago. The Nazi Zombies mode kicked ass, and it gave you access to a gun that was a laser gun of some sort. I liked the feel of it. I had an empty AT2K shell lying around and i thought i'd use it in my next gun and that i'd try to make it look like the gun from the game. This is not what the final product turned out to be, however. But unlike my previous endeavors, i decided to make my first homemade.

Materials Needed:
- 1x AT2K shell
- 1x Magstrike Pump (or equivalent)

- ~1' of 1" PVC
- ~1' of 1/2" Thin Wall PVC
- Your choice barrel material (And whichever size wall PVC that it could be nested in)
- 1x 1" PVC Endcap
- 2x 1" to Threaded 1/2" PVC "T"
- 2x 1" PVC Elbow
- 1x 1" PVC Plug
- 1x 1" to 1/2" PVC Plug
- 1x 1/2" PVC Elbow (Slip x Threaded is what I used, doesn't matter)
- 2x 1/2" PVC Elbow (Coupler x Slip)
- 1x 1/2" PVC "T"
- 1x 1/2" PVC Plug
- 1x 1/2" Threaded PVC Plug

- 1/2" ID X/X" OD Vynal Tubing
- 2x 1/2" Male Threaded Nylon (or Brass) Barbed Connectors for ^
- 1/4" ID X/X" OD Vynal Tubing
- 2x Nylon (or Brass) Barbed Connectors for ^ (1x 1/2" Threaded Elbow piece & 1x 1/4" Threaded Male Connector)

- 1x 1/4" Bolt 4-5" long
- 1x 1/4" ID Rubber Washer
- 1x 5/16 Washer
- 2x 1/4" Nuts (with the plastic on one side so its a tighter fit)
- A Thin-Gauged, Medium-Length Spring

- Hot Glue
- Plumber's Goop
- 2-Ton Clear Weld Epoxy (Or equivalent)
- PVC Cement
- Silicone Grease

- Screwdrivers, PVC Cutters, Vice Grips, 1/4" Ratchet, Rounded File or Dremel, Etc.

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1. The Shell
Make cuts on the inside of the shell to make room for the pump. Also cut a circle in the back of the AT2K's ..thing. This:
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Make sure that a 1" to Threaded 1/2" PVC "T" can fit inside it when you're done dremeling it out.

2. The Pump
I first made room for the Magstrike Pump. I would've used another, possibly non-Nerf pump for this gun but it just fit so well i had to use it.
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It should stick out to about here.
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The "endcap" for the pump should be epoxied on to the end of the pump, after the pump is plugged and lubed up.
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The check valve end of the pump needs everything cut off so it just leaves a hole, like so.
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After that, take the 1/4" Threaded Male Barber Connector for the 1/4" ID Tubing and epoxy it on so you have a new connector for the pump.

3. The Airtank
I had planned on this being small and compact, but it turns out the way i made it works better.
Take some of the 1" PVC and measure how much it takes to fit two couplers together. For me they measured to be ~2".
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Make 3 of them. Not sure why i made four.
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Then fit some of the 1/4" ID Vynal Tubing onto the 1/2" Threaded Elbow Connector for its size. Take that (not pictured correctly) , the 2 Elbow connectors, the 1" to 1/2" Threaded "T", one of the connectors for the 1/2" ID Vynal tubing, the 1" PVC endcap, the 1/2" Threaded PVC Plug, the pieces you cut, and some PVC Cement and lets put this bad boy together.
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Once its finished drying, put it in the shell like so and make sure its a good fit.
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Hot glue it into place once you find the sweet spot.

So far the gun should look like so:
Posted Image
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#2 Norther of Heaven

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Posted 29 January 2009 - 10:45 AM

4. The Trigger Mech.
Due to my inexperience with homemade air guns, this is what i was going to originally use for a release valve. The Magstrike's.
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Thanks to some research, and the help from Imaseoulman and CaptainSlug, i came to the conclusion that i'd either have to make my own or find a release valve with better air flow. I ended up making one from the design of CS's Dchap-1. I modified it slightly, using smaller pieces, a different angle, and with a bolt rather than rods.

Pretty simple, just make like so:
Posted Image

But before you screw everything together take a 1/4 drill bit and drill a hole as STRAIGHT as you can at the top of a 1/2" PVC Elbow. Fit the screw through the hole, fit a short piece of 1/2" PVC on the coupler running parallel with the bolt, fit the 1/2" PVC into the 1" to 1/2" PVC Plug, Screw on one nut, fit the (trimmed to fit the hole for the 1/2") rubber washer onto the bolt, put on the 5/16 washer and center it onto the bolt, and fasten another nut.

Once that is on, fit the 1" PVC Plug into one of the 1" "T" couplers with PVC Cement and screw in the 1/2" ID Vynal barbed connector to the 1/2" threaded part of the "T". And before you put the piece with the bolt into the "T", put a spring that'll make a good seal into the "T" and line it up with the washer on the bolt.
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If you have any questions about the valve, just check out Slug's original.

Then epoxy the valve onto the left shell so that the head of the bolt can be comfortably pressed when the gun is held.
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5. Once thats all finished just hook up all the tubing and you should be ready to go in terms of it holding and releasing air pressure. I put some zip ties on the barbed connectors to make the tubing stay on for good, just to be sure.
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The rest of the 1/2" PVC pieces can result in a inline clip. Its been done 1,000s of times so i'll spare you the details.
Which brings me to an interesting little tidbit about this gun.

My seal on the release valve is not 100% air-tight. maybe about 90-95%. Real bad, huh? Not so fast..
Since while i pump there is air pressure leaking out at a slow rate, pressure builds up past the valve. Since i have an inline clip installed, all that i need is to pump as many times as i need, drop a stefan into the barrel via the clip, and as it makes that ever-so-tiny seal to the barrel the pressure from the leak advances the round even further into the barrel as if i had pushed it in myself.

The finished product:
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No completely official ranges yet, but today i got these (albeit light rain and headwind)
Micros-
10 Pumps: 70-85FT
20 Pumps: not tested

Megas-
10 Pumps: ~120FT
20 Pumps: not tested

Posted Image
Darker Stefan: 10 Pumps
Lighter Stefan: 20 Pumps

I might make a video depending on if i have the time, and i'm not so experienced with video editing.

(Off topic, did anyone ever play TIM?)

Q's? C's? F's?
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#3 iMod1

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Posted 29 January 2009 - 10:58 AM

Excellent job. That is amazing. Why do you think the megas got farther? (Besides the obvious size difference) Anyways, incredible job. I may just have to make one myself.
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#4 Norther of Heaven

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Posted 29 January 2009 - 11:03 AM

Excellent job. That is amazing. Why do you think the megas got farther? (Besides the obvious size difference) Anyways, incredible job. I may just have to make one myself.
-iMod

Because they have 3x as much weight in them as the micros do.
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#5 Lynx

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Posted 29 January 2009 - 11:43 AM

Dude, not worthy of The Incredible Machine's name. That game was THE SHIT. Don't agree? Play it, try to beat it without any hints, guides or cheats. Then, after failing, suck my left nut.

But a sweet ass mod it is. That thing has great range, a good ROF, good accuracy (just looking at the box...), and it will probably be banned at most wars...
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#6 123nerf

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Posted 29 January 2009 - 11:51 AM

Very, good job! Yeah and those one hit kill ray guns in CODWAW is just awesome. You know the rayguns aren't just in Nazi Zombies right? And once again, very good job.




P.S-Type Call of Duty 5 Little resistance ray gun on youtube. Thats the only ray gun I know so far that isn't in Zombies.
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#7 Icespartan 1114

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Posted 29 January 2009 - 12:23 PM

Really nice work man. Reminds me of a potato cannon for some reason. I like how you housed the actual gun in a 2k shell. Very inventive, and clean. I have played T.i.m before. :P
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#8 Shrub

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Posted 29 January 2009 - 12:34 PM

Good job bt as Lynx said it will be banned. Also Lynx why? :P
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#9 rork

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Posted 29 January 2009 - 07:07 PM

Not being a gamer, I'm just going to pretend it's named after me... But really, this is ferociously cool. Makes me want to start messing around with pneumatics again. My only quibble is that I wouldn't have used a 2k shell, but it looks interesting. How's the push-button trigger treating you?
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#10 Lynx

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Posted 29 January 2009 - 07:42 PM

Well, its an airgun homemade that can shoot over 120 feet with megas. That shit hurts.

Maybe micros only... It's up to the organizer, but no one wants a pvc tank blowing up in the middle of a field in a residential neighborhood...

EDIT:
The Incredible Machine was a physics based puzzle game that I played when I was young. Which means its over 12 years old, AT LEAST.

Game rocked my socks off. Shits hard, too.

Edited by Lynx, 29 January 2009 - 07:44 PM.

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#11 Norther of Heaven

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Posted 29 January 2009 - 10:23 PM

Dude, not worthy of The Incredible Machine's name. That game was THE SHIT. Don't agree? Play it, try to beat it without any hints, guides or cheats. Then, after failing, suck my left nut.

But a sweet ass mod it is. That thing has great range, a good ROF, good accuracy (just looking at the box...), and it will probably be banned at most wars...

Well i couldn't think of anything else to call it.
Fuckin yeah ive done that. When i was 7. STILL my favorite PC game of all time. Nothing beats it. Fuck Portal.
Anyways, thanks for the comment.

Not being a gamer, I'm just going to pretend it's named after me... But really, this is ferociously cool. Makes me want to start messing around with pneumatics again. My only quibble is that I wouldn't have used a 2k shell, but it looks interesting. How's the push-button trigger treating you?

Its working very well. It wasn't hard to make at all. And its very comfortable.

Edited by Norther_of_Heaven, 29 January 2009 - 10:54 PM.

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#12 Shrub

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Posted 30 January 2009 - 03:25 PM

Lynx I was talking about the sucking your left testicle thats just wierd(thats very vague of how I feel about it). Also a PVC tank ain't going to break becuase it holds a few 100 PSI which is more than many humans could pump up to a pressure that high. Angel most likely but not many others. I personaly like PS1 Megaman sieries as my favorite games of all time I mean if only the story line was longer than 12-16 hrs together I would play the 24/7 but a last they don't.
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#13 Norther of Heaven

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Posted 01 February 2009 - 01:28 AM

I made a speedloader-type barrel..switch-er. Thing.

Just take a look.
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Its got 1/2" PVC for megas and 1/2" CPVC nested in 1/2" Thin-Walled PVC for micros.
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I'd say it completes the gun. And the letters on the side look pretty nice on it if i do say so myself.
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This way i don't need to carry around a whole 'nother barrel if i want to switch ammo types. Once the clip is emptied out, if i have the other ammo type at my disposal i just switch them. Easy.
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#14 CapnTac

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Posted 01 February 2009 - 12:00 PM

The Incredible Machine is like the coolest game ever! Good work on the blaster!
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QUOTE(NerfRogue83 @ Apr 1 2009, 05:58 PM) View Post

You really need to pick what suites you best, and check your spelling.


#15 Falcon

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Posted 03 February 2009 - 01:48 PM

That's Effeminate.

In every sense of the word.

I absolutely love it. And frankly, I think it IS worthy of the name.

That reminds me of a modding project I should finish up. I'm in the process of finishing up a gun for a local kid who recently got excited about the hobby, but the only gun he owns is a titan, and it's completely broken. The valve won't hold air. So I'm taking a spare 2k shell, mounting about half of it onto the top of his gutted and minimized Titan, using the titan's pump on it, and slapping an RSCB on the top. He's gonna look at it, crap himself, and be a nerfer forever. It's the weird/ridiculous/unnecessary integrations that get new people interested. Make them a gun that could function perfectly fine as the normal gun it was made to be with a new barrel or something, but choose to do something ridiculous with it just so it looks more labor-intensive, and they'll think it's 10x cooler. Clean integrations are nice, but make it LOOK like it's crazy-go-nuts, and they'll fall for it. Clean integrations barely make it visible that anything's changed. Duct tape 3 guns onto their automatic, and they'll love you forever.

Guns like this one make me happy. A cleanly done gun that just drips reminiscing of the duct-tape modding days.
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#16 Norther of Heaven

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Posted 05 February 2009 - 11:30 AM

Thanks, Falcon.
Ah, reminiscing of days past with only a 10-year-old's nerf gun, duct tape, and a caffeine-driven imagination.
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