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How can I make a Nerf Pocket Vortex? Answered

Since the completion of my 2 inch piston valve pneumatic rocket launcher Ive been looking for a cheap source of pocket vortexes. I cant find any under 3 bucks. Does any one know of a cheap way to make similiar projectiles, thanks? I was thinking of making a mold and filling it with great stuff, then tossing BBs or pennies in for weight.

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RavingMadStudios (author)2010-05-10

In my experience, Great Stuff doesn't like to cure inside enclosed molds, but I think casting the missiles is a good idea. Maybe check at Smooth-On for an A/B flexible urethane foam that would approximate Nerf density?

http://www.smooth-on.com/Rigid-and-Flexible/c10_1121/index.html

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user

That looks like good stuff, but at that price it would almost be cheaper to buy the vortexes, I was thinking of makeing one out of pipe insulator, Add a weight in the front and a tail to the back

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user

When you consider the expansion factor, it's actually not that bad pricewise. You could probably make a perfectly good missile-like object out of pipe insulation, though. I thought you were going for the Vortex look, but if that's not a huge factor, the insulation would definitely work.

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 Im going more for performance that asthetics, the plan is to get a piece of insulation that fit into the barrel and slide smaller piece into that till a piece of foambacker rad can fit in for a tail, a piece of wire will be in the backer rod, fins will be cut from a foam sheet, I will put some weight at the tip and use easter eggs for the nose, Ill make an instructable if it works. 

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user

Sounds cool. I look forward to seeing it.

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nickodemus (author)2010-05-09

You could check to see if your local dollar-store has any nerf type balls.
They might have something similar, other than that, I could only suggest checking for a gross shipment of them on ebay.

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