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Get your pistons at Academy?

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Get your pistons at Academy?

Unread postAuthor: jmccalip » Thu Jul 09, 2009 12:19 am

I was there today and I was walking through the boating section and I saw these: Bow rollers


They come in all shapes/sizes/weights/material, ranging from soft rubber to hard plastic, to super light weight. I believe they ranged from 2-4", and were about $3-5 each.

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Unread postAuthor: Moonbogg » Thu Jul 09, 2009 12:26 am

Thats what i'm talking about baby. If you can immagine it its brobably already made and sitting on a shelf for you somewhere.
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Unread postAuthor: Technician1002 » Thu Jul 09, 2009 12:42 am

Wow, with a hole through the middle, your probably thinking what I'm thinking.. 3 inch and larger A minor trim on a drill press for an o ring or two to fit a pipe.. :D
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Unread postAuthor: Gaderelguitarist » Thu Jul 09, 2009 12:57 am

What is Academy? Some internet store?

All in all though a great find for anyone looking to create a large bore piston valve.
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Unread postAuthor: jmccalip » Thu Jul 09, 2009 1:19 am

Gaderelguitarist wrote:What is Academy? Some internet store?

All in all though a great find for anyone looking to create a large bore piston valve.


Just a sports store. http://www.academy.com/


I'm sure you can find these at any boating supply shop. I just need to bring some calipers next time I go.
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Unread postAuthor: Gaderelguitarist » Thu Jul 09, 2009 1:33 am

I think I'll stick to making my own pistons. I'm too lazy to get up and go to the internet.
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Unread postAuthor: MrCrowley » Thu Jul 09, 2009 1:34 am

I brought this up like 2 years ago, if I remember correctly...they all weigh a b|tch :wink:

But if you do some weight cutting down, i'm sure you could get them to work without blowing out the back of your housing.
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Unread postAuthor: jmccalip » Thu Jul 09, 2009 10:42 am

MrCrowley wrote:I brought this up like 2 years ago, if I remember correctly...they all weigh a b|tch :wink:

But if you do some weight cutting down, i'm sure you could get them to work without blowing out the back of your housing.


Are you sure??? Some of them felt about the same weight as my cellphone, and that only weighs 3.7oz. The soft rubber rollers are the heavier ones, the rest were pretty light.
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Unread postAuthor: MrCrowley » Thu Jul 09, 2009 4:57 pm

I was looking at the 3"-4" ones I guess and from memory they looked like the first and second picture you posted. Maybe the place I saw them at just didn't have them in hard plastic, only rubber.
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Unread postAuthor: covey12 » Thu Sep 17, 2009 5:19 pm

if they way that much, would it be possible to use what everyone does to make their airsoft pistons lighter, and drill tons of little holes through out it to make it lighter?
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