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Petg Barrel Rf20


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#1 KBarker

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Posted 03 May 2007 - 02:59 PM

I haven't done any Nerf in quite a while because I've been busy with my "real" hobby - combat robotics. Check it out here if you're curious: http://www.putfile.com/kbarker/images
Videos: http://maxhavoc.com/
Anyway, I put reworked an RF20 turret with PETG barrels a while back, but I didn't use enough epoxy on the base, so they all had leaks and the gun sucked. Then I got the brilliant idea to inject Elmer's with a syringe into the back holes of the turret to seal the leaks, and presto, it shoots almost as good as my Magstrike. I couldn't find anything worthwhile to do inside the gun, so I just hot glued the "rapid fire" switch closed and called it good.

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Edited by KBarker, 03 May 2007 - 03:07 PM.

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#2 CaptainSlug

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Posted 03 May 2007 - 03:51 PM

Slick, as usual. Looks like a 70s Sci-Fi movie prop now.
For future PETG barrel modification I would recommend a combination of IPS Weld-on #4 (for structural joints) and loctite waterproof sealant epoxy (a good hot glue substitute).
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#3 PvtMcFlurry

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Posted 03 May 2007 - 04:19 PM

You always seem to amaze me. Great job!
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QUOTE(Cannonball @ Oct 26 2007, 11:47 PM) View Post

I'm anxiously awaiting the hasbro over throw.

One Man Clan, or One Man Company?

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#4 elchupathingy

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Posted 03 May 2007 - 04:26 PM

Reminds me of how much I would like to know cad and how to my robotics club cnc machine could wip up alot of those and a bunch of other stuff really easily.
GJ
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Elchupa

#5 Texansharpshooter

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Posted 03 May 2007 - 04:30 PM

Very clean-looking, how many feet of PETG did you use for that? Judging by the pictures, those barrels look to be about 3-4" a piece.
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HERP DERP.

#6 Guest_DarkInfection_*

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Posted 03 May 2007 - 06:23 PM

Yay, Kbarker's back, and good job on the RapidFire too.
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#7 Forsaken angel24

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Posted 03 May 2007 - 09:31 PM

Excellent work.
That is exactly how I keep my rapid fire button pressed down too.

Edited by Forsaken_angel24, 03 May 2007 - 09:31 PM.

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#8 Shadow 92

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Posted 03 May 2007 - 09:38 PM

Did you machine the barrel support too or did you buy and then drilled the holes? And if you're looking to do stuff to the inside you could sand down the release valve on the bladder and cover the bladder with 50 of the long balloons for a higher firing pressure.

EDIT: Forgot to mention, nice job! It's as clean as everything else you do.

Edited by Shadow 92, 03 May 2007 - 09:39 PM.

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#9 SHADOW HUNTER ALPHA

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Posted 03 May 2007 - 10:04 PM

Clean. Effective. Impressive. The three major points of modding. You amaze us again, KBarker.
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#10 hierarchy

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Posted 03 May 2007 - 10:22 PM

I like the mod. I got to tell my friend about this mod. Thanks Kbarker.
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QUOTE(Retiate @ Aug 13 2007, 08:43 PM) View Post

I guess you have some heavy duty industrial strength toilet paper holders. Do they advise you to wear eye protection when changing rolls?

My TTG mod.

#11 KBarker

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Posted 03 May 2007 - 11:00 PM

Did you machine the barrel support too or did you buy and then drilled the holes? And if you're looking to do stuff to the inside you could sand down the release valve on the bladder and cover the bladder with 50 of the long balloons for a higher firing pressure.

EDIT: Forgot to mention, nice job! It's as clean as everything else you do.


I cut and drilled them custom out of .25" polycarbonate. I thought about the release valve mod, but I don't see the point since it gets off all 20 shots anyway. I did do that mod to my Magstrike though. Banding makes me nervous. :P
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#12 NerfMonkey

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Posted 05 May 2007 - 09:46 AM

Banding makes me nervous. :P


And for good reason. RF20s can't take the added stress of banding or innertubing or ballooning or whatever. The tubing either separates from the bladder or bursts, I can't remember which. This happened to at least one RF20 as reported by the first person to document the RF20 innertube mod.

You'd be fine doing a banded bladder on your PC though. One of mine has held up fine with a ton of bands for well over a year and the other for about six months.

Everything I was thinking about the mod has already been said. I really appreciate a nice clean mod, and the RF20 is one of my favorite guns. Beautiful job.

Edited by NerfMonkey, 05 May 2007 - 09:46 AM.

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#13 Robonerfer1

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Posted 05 May 2007 - 10:11 AM

Good job! I like combat robots too.I mostly just watch, though.
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QUOTE(OfAllTheNerf @ Mar 29 2008, 04:11 PM) View Post

Yeah, it also helps if your nuts are made of steel. Or atleast as hard as steel, to ensure that you can shoot far enough.


#14 KBarker

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Posted 06 May 2007 - 05:14 PM

I've decided to start selling my custom barrel spacers for this gun. $15 each shipped. Sale thread here:
http://nerfhaven.com...?showtopic=8429
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#15 KBarker

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Posted 13 May 2007 - 09:52 PM

I saw a cheap RF20 on Ebay and couldn't resist, so now I have two!

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#16 Rambo

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Posted 13 May 2007 - 09:58 PM

Use an external tank, and I'd put that above CS' Magstrikes...for usefulness in a war, not really innovativeness.

Edited by RAMBO, 13 May 2007 - 09:59 PM.

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