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Big Fbr

2, 2.5, 3, 4 inch foam

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#1 GeneralPrimevil

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Posted 03 November 2004 - 06:50 PM

If anyone actually studied the price tables on loghelp's closed cell foam (the stuff cx uses), you'll see that one could make some mighty big stefans (that cx does not use). So what I was thinking was to make big stefans and shoot them in big barreled nerf guns, like the Titan's stock barrel. Or, there was a website somewhere about spud guns that sold rifled PVC in 2 and 2.5 inch diameters. Anti-material rifles anyone?

On the other end of the spectrum, loghelp also makes 1/4 inch FBR. That could be used as a non-nerf to nerf conversion medium.

Any thoughts on the subjects are welcome.
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#2 Viper

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Posted 03 November 2004 - 10:45 PM

That's cool man, didn't know they made them that big. 1/4 inch sounds like it would have potential given the right barrel, like a foam "bullet"
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#3 okto

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Posted 04 November 2004 - 02:48 PM

On the other end of the spectrum, loghelp also makes 1/4 inch FBR. That could be used as a non-nerf to nerf conversion medium.

what do you mean?
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#4 GeneralPrimevil

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Posted 04 November 2004 - 07:33 PM

1/4" is equal to .25 caliber. Airsoft guns are .24 caliber. Catch my drift? Only problem would be getting a weight glued on there. Or, in the case of what I'll be undertaking in a few weeks, a "hybrid" nerf gun, based on some old bolt-action single shot rifle I have. It looks like a toy (purple stock), feels like a toy, and is only 40" long (a little over a meter).

Unless you're talking about the spectrum thing, in which case that means that the 4" stuff is the massive end and the 1/4" is the micro end.

Also, the FBR comes in 3/4 inch. I may need to pick some up for one of my homemades.
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#5 okto

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Posted 04 November 2004 - 07:46 PM

actually, the problem would be that an airsoft rifle would tear the shit out of FBR.
for one, they're rifled. rifling=shred. not to mention the higher pressure involved, leading to massively painful hits, and the fact that you would never ever be able to find your ammo.
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#6 GeneralPrimevil

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Posted 04 November 2004 - 09:34 PM

Actually, since airsoft bbs are round, rifling is pointless. Also, pressures, in stock springers, are significantly lower as compared to nerf pistols. The NF has a cylinder twice the size of a Tanfoglio 1911. Even the spring is weaker in the Tanfoglio, yet it still produces high velocities because the projectiles are not even a gram in weight. In reality, my NF also has a bigger cylinder than my hardballer, yet my hardballer is a spring rifle/shotty. When measured in terms of force, most nerf springers and stock pump guns have more force, in joules, than airsoft guns. The most powerful airsoft weaponry shoot at about 3.7 joules, and that spits out .43 gram bbs at 450 FPS. Mind you that takes gas pressurized to ~125 PSI (Red Gas). However, that was after a total cost of $450 dollars. Stock airsoft guns (lower in cost than $100) have a max output f 1.7 joules. Nerf is still higher at about 4 joules with no air restricters. 1/4" darts would shoot out of nerf guns faster and farther in 1/4" barrels than they would in airsoft guns. You are probably thinking of the .25 caliber hunting air rifles, which would tear the brain out of FBR with the pressures alone.

You are, however, incredibly correct about how it would be a pain to find the darts. It's just the thought of saboting the 1/4" FBR to fit in a brass modded SM5000 and shooting at least 210 feet level that makes me want to try this, although I'm lacking in the SM5000 department.
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#7 NinjZ

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Posted 04 November 2004 - 10:29 PM

Airsoft guns are not rifled. They have a mechanism that puts backspin on the BB. Airsoft would also not tear the shit out of FBR because even if you got foam small enough, it would probably not even come out of the barrel.
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#8 Viper

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Posted 04 November 2004 - 11:13 PM

here's another site for colors

colored inch back rod etc.


Some places offer 6"+ diameter

Edited by Viper, 04 November 2004 - 11:19 PM.

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#9 The Inventor Guy

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Posted 05 November 2004 - 05:59 AM

That'd be one hell of a building stuff-up to require 6" FBR!

-TIG.
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