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Would This Work As A Plunger Tube?


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#1 Silly

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Posted 16 April 2017 - 06:52 PM

28.65 mm ID
33.65 mm OD
2.4 mm Wall Thickness

Those are the measurements of this tube I found while ripping apart one of those 90's water cannons (Stream Machine Hydrobolic Water Launcher) and I just happened to have my crossbow plunger tube. Lined them up, and it's a NEAR EXACT same ID.

So I was wondering if anyone with more experience in this area of modding could tell me if this would work with this skirt seal?
( https://www.mcmaster...3/3560/=17887zr )


Thanks!
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#2 CaptainSlug

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Posted 16 April 2017 - 07:35 PM

9562K44 might work but it's a gamble.

 

28.65mm is very close to 1.125 inches, so if that skirt seal won't work right you would probably have better luck with o-rings in dash sizes of 314 or 212.

 

I wouldn't bother using a tubing source that isn't repeatable though. If you get it to work, you can't really make a second one.


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#3 Silly

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Posted 16 April 2017 - 08:36 PM

True that it wouldn't be repeatable, but I have some and its cheap. Wait... Cheap... so... yeah, the WHOLE tube is cracked in different places (I didn't notice this earlier) so ill just use the standard closed-shell tube for Crossbows. I may use it if im VERY desperate later in time, but not right now. Thanks for your help though.


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#4 KaneTheMediocre

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Posted 22 April 2017 - 10:29 PM

Some modern stream machines have tubes that are actually sized like 1" thinwall PVC and fits 1" couplers.  It was also clear, but had a smoother finish so I'm not sure if that's the same thing.


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#5 Silly

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Posted 23 April 2017 - 08:51 AM

Some modern stream machines have tubes that are actually sized like 1" thinwall PVC and fits 1" couplers.  It was also clear, but had a smoother finish so I'm not sure if that's the same thing.


Later I can give some more precise measurements and a better description. But right now I can't find my calipers.
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