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Pushbutton Water Bottle Caps


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#1 CaptainSlug

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Posted 19 December 2016 - 10:30 AM

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These were discovered by pSyk, and they work really well for being so cheap. They include a foam gasket in the lid and on the threaded side. The lid is spring-loaded and flips open once your depress the pushbutton. The ID at their narrowest point is .600"

 

 

He goes over using water bottle threaded necks glued on the OD of clear PVC in order to put these on a hopper magazine. I did the inverse and turned down some pipe couplers.

 

pbbc_00.jpg

I turned the OD down to .995" then cut them in half.

pbbc_01.jpg

I then filled the gap with 2-part epoxy (Plexus M310).

pbbc_02.jpg

 

I ordered these for $5 each on eBay.

 

http://www.ebay.com/itm/191724939561


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#2 The2ndBluesBro

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Posted 19 December 2016 - 10:25 PM

Any links for international buyers? I can't seem to find a purchase link that will ship to Canada (or really anywhere outside the US). 


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#3 snakerbot

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Posted 19 December 2016 - 11:00 PM

First the hole door, and now this? Cheezus, Slug. Thanks for bringing this to NH, I never would have seen it otherwise.


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#4 CaptainSlug

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Posted 20 December 2016 - 07:17 AM

Any links for international buyers? I can't seem to find a purchase link that will ship to Canada (or really anywhere outside the US). 

I've only found one supplier in the US myself. These are manufactured by Daiso and don't even seem to be listed on their website store. You may want to ask the eBay seller I linked about shipping costs to Canada.

 

If they're not willing to, I might be.


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#5 Draconis

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Posted 20 December 2016 - 12:53 PM

Slug, what material are these made of?  Looks like polypropylene?


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#6 CaptainSlug

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Posted 20 December 2016 - 02:20 PM

Looks like polypropylene?

Sounds about right to me. As a result they're kind of picky about adhesives. Super-gluing a water bottle thread onto a hopper tube is likely to be the easiest way to adapt these.


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#7 shardbearer

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Posted 22 January 2017 - 01:41 AM

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I tried one of these today, and they are amazing. Far faster than ball valves, and there's no chance of darts getting stuck or chopped. A single wrap of electrical tape around the PVC makes a very nice tight fit on the inside of the bottle, and then I'll probably seal it with rubber cement. Unfortunately my hopper fell out of my blaster and landed on the cap, shattering the hinge. I immediately ordered two more on ebay.


Edited by shardbearer, 25 January 2017 - 09:30 PM.

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#8 DX-Robert

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Posted 25 January 2017 - 03:52 AM

Testing these out at CTNO this weekend (used the water bottle threads method), will have feedback then.  I've actually still been using regular PVC endcaps on my hoppers up until now...


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#9 Silly

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Posted 31 January 2017 - 11:03 AM

I unfortunately just got into rscb's instead of hoppers, and i have been using a coke bottle's top cut off and glued to the end of my rscb, and it is incredibly slow. Would this work for a rscb aswell?

Edited by Silly, 31 January 2017 - 11:06 AM.

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#10 CaptainSlug

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Posted 31 January 2017 - 11:35 AM

Would this work for a rscb aswell?

Of course.


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