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Concept Thread

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Techshooter
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« Reply #15 on: August 25, 2011, 07:05:38 pm »



Started working on it.

I know Rogue made a longshot with an itegrated barricad. I don't think there is anything in the handle, but you've already foud that out...

One of the projects I'm going to start working on is making a removeable 3 shot turret. I also need to replace the PR on the BigFinder...
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« Reply #16 on: August 25, 2011, 07:19:03 pm »

<script src='http://img13.imageshack.us/shareable/?i=211634.jpg&p=tl' type='text/javascript'></script><noscript></noscript>
@ Techshooter,You were the insperation for mine.
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« Reply #17 on: August 25, 2011, 08:19:37 pm »

Quote from: Qball
@Techshooter,You were the insperation for mine.

I don't think I've inspired anyone before... It feals good!

What exactly is it? I see that the plunger tube is massive on that thing, and so are the barrels. Can you give us more details on it?
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« Reply #18 on: August 25, 2011, 08:39:49 pm »

Its a nf handle, trigger and pr.With a ls plunger head and tube.Hits 65 to 70 feet.
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« Reply #19 on: August 26, 2011, 09:42:57 am »

Its a nf handle, trigger and pr.With a ls plunger head and tube.Hits 65 to 70 feet.

Oh, so its like Ice9's frankenfinder. Very cool.
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« Reply #20 on: August 26, 2011, 11:25:29 am »

Thanks
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« Reply #21 on: August 26, 2011, 09:46:32 pm »

Um, hey, this is the concept thread. You usually shouldn't post pics here unless you're trying to explain how something would work.
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« Reply #22 on: August 29, 2011, 01:40:34 pm »

First off, this thread is an awesome idea and I wish nerfHQ had a thread like this.

After working on my T.U.N.A. ( http://www.nerfhq.com/smf/index.php?topic=11296.0 ), I thought about making a similar system but with a trigger. Basically, it would be a reverse plunger that hooked up to a pressurized-air powered rifle. The advantages of this would be that it would only take one pump to fire, and you'd get a lot of pressure with that one pump. Of course, the reverse plunger parts would have to be made of some sort of metal that can hold pressure, because PVC could shatter. Maybe two layers of brass? And if you had multiple sizes of brass telescoping into each other, you could have a LOT of pressure. The only disadvantage I see to this is that it would require a lot of muscle to pump it.

Anybody got an air rifle lying around?  Grin I could probably whip up some sort of diagram if anyone is interested.
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« Reply #23 on: August 29, 2011, 04:22:09 pm »

MORE NEW MEMBERS? Welcome my foamie hoamie! Anyway, that sounds nice, and the T.U.N.A looks badass. (Why is the concept thread becoming the place for people's first post?)
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« Reply #24 on: August 29, 2011, 04:25:17 pm »

MORE NEW MEMBERS? Welcome my foamie hoamie! Anyway, that sounds nice, and the T.U.N.A looks badass. (Why is the concept thread becoming the place for people's first post?)
Probably because on any other site you're get flamed and banned.

Yeah, I liked T.U.N.A. A longer barrel may get you better ranges.
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« Reply #25 on: August 29, 2011, 04:42:23 pm »

I liked the T.U.N.A.. The paintjob was really cool, too. It just needed some orange on the tip...

Anyway, if your using brass like 17/32 and that stuff, its not rated for pressure. Its used for making lamps. Some PVC is rated for pressure (1/2in. CPVC is rated for 120PSI). If your really parranoid about it blowing up, solvent weld 1in. PVC into 1.25in. PVC. That won't blow. It'd be around an inch thick, which is how thick duct tape has to be if you make a cannon.

Oh, and...   WELCOME!!! Introduce yourself in the "come on in" section. The puch dealer beat me to the foamie homie thing, so your a second hand foamie homie (sorry)
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« Reply #26 on: August 29, 2011, 08:09:51 pm »

I liked the T.U.N.A.. The paintjob was really cool, too. It just needed some orange on the tip...

Anyway, if your using brass like 17/32 and that stuff, its not rated for pressure. Its used for making lamps. Some PVC is rated for pressure (1/2in. CPVC is rated for 120PSI). If your really parranoid about it blowing up, solvent weld 1in. PVC into 1.25in. PVC. That won't blow. It'd be around an inch thick, which is how thick duct tape has to be if you make a cannon.
Thanks. I don't know if you saw my (really crappy) firing videos, but I eventually got around to spray painting the tip orange.

Anyways, I'm not that paranoid about the PVC failing but I would at least use schedule 80 or copper, steel, aluminum, etc. If I was using the dimensions I had in the T.U.N.A., I would not be concerned but with a telescoping system or a higher-pressure ratio (maybe 1/2" to 1.5+") I definitely would be. Also, a longer chamber would allow the use of a longer barrel (duh).

The hard part would be making a completely airtight seal. Even the weather stripping I used wasn't completely airtight, but it was more airtight than most O-rings. Any ideas?
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« Reply #27 on: August 29, 2011, 08:11:11 pm »

Goop is good for airtight seals.
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« Reply #28 on: August 29, 2011, 08:19:31 pm »

Well, I mean as an O-ring replacement for the plunger. I guess I can try multiple layers of weatherstripping and/or multiple O-rings?
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« Reply #29 on: August 29, 2011, 08:21:26 pm »

Well, I mean as an O-ring replacement for the plunger. I guess I can try multiple layers of weatherstripping and/or multiple O-rings?
Oh.. silly me...

Teflon tape + O rings is what I use to get perfect seals. Fender washers will work nice too.
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