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Attaching PVC to a soda bottle?

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: jackssmirkingrevenge » Thu Nov 16, 2017 6:46 am

Here's how I would go about it in the absence of machine tools:

Image

Epoxy casting tutorial for reference
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: jrrdw » Thu Nov 16, 2017 6:53 am

Brass to plastic. What kind of "glue" would you use jack? I was thinking standard solvent weld but that might distort the threads in the thin caps...
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: jackssmirkingrevenge » Thu Nov 16, 2017 7:06 am

JB weld or similar, even hot glue will do - its function is only to seal the two parts against eachother, the strength comes from the epoxy pour.
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: xbliss » Fri Nov 17, 2017 1:45 am

jrrdw wrote:
Why doesnt it exist when so many DIY projects now use PET bottles?


That's a very good question and just off the top of my head. One could take a cap from each and glue them together back to back and mount them in tubing then drill the center out. Or if you have the equipment to machine a adapter from a stick of Delrin or alike...


Yeah all sorts of such alternative "have to do it myself" ideas going through my head..

Maybe we ought to contract a Chinese manufacturer and do a Group Buy with them
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: jrrdw » Fri Nov 17, 2017 7:40 am

Maybe we ought to contract a Chinese manufacturer and do a Group Buy with them


As long as you don't spam the Spudfiles forums with links or ads for any manufacturing company.

BUT, if you can get someone to do this with you I don't see any problem adding a link to the useful links and information page as long as the link is direct to the product in mind, 'thread converter'.
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Re: Attaching PVC to a soda bottle?

Unread postAuthor: bottlebushing » Sun Mar 25, 2018 8:41 pm

jrrdw wrote:
Why doesnt it exist when so many DIY projects now use PET bottles?


That's a very good question and just off the top of my head. One could take a cap from each and glue them together back to back and mount them in tubing then drill the center out. Or if you have the equipment to machine a adapter from a stick of Delrin or alike...


I does exist! http://www.bottlebushing.com
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Last edited by jrrdw on Mon Mar 26, 2018 3:27 pm, edited 1 time in total.
Reason: Fixed url tag.

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