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Mid-Size Hybrid Thread

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Mid-Size Hybrid Thread

Unread postAuthor: SpudStuff » Sun Sep 17, 2006 3:46 pm

Alright so I am attempting to recreate DR's Gen II hybrid but with a stronger thicker chamber. I have 2 2" sch 80 male adapters, 4 2" sch 80 couplings, 2" sch 80 pipe, 1.5" sch 80 pipe and many other fittings. I just ordered a 6000 PSI stainless Steel Threaded Union off EBAY and will use it to hold the burst disk.

Any Questions Or Comments?
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Unread postAuthor: jrrdw » Sun Sep 17, 2006 4:39 pm

YEA, i got a question- What did that 6000 PSI stainless Steel Threaded Union off EBAY cost you shipping included?
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Unread postAuthor: SpudStuff » Sun Sep 17, 2006 4:52 pm

15$... There are lots of cheap stainless, copper, pvc and brass stuff. like sch 40 4" male adapters for 75cents on a buy it now.
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Unread postAuthor: SpudStuff » Sun Sep 17, 2006 4:55 pm

Here is the link Motherfuckinglonglink.com
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Unread postAuthor: rna_duelers » Tue Sep 19, 2006 6:16 am

I've head of those steel unions cuting the burst disk because of the taperd edge,but PVC unions have a flat sealface.
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Unread postAuthor: Jolly Roger » Tue Sep 19, 2006 7:58 am

Nice $15 bucks, thats a good deal. Hey I searched DR's Gen II hybrid and couldn't find the one your replicating. Which one is it? And the parts your talking about, are they metal or pvc or wood or glass or what?
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Unread postAuthor: ProfessorAmadeus » Tue Sep 19, 2006 5:12 pm

Just file done the taperd edge till its flat. This should be safer than a mid/ large sized hybrid because of the smaller pipe. what are you going to use to fire it? IS it going to be fired remotely.
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