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Are these parts adequate for Oxy/Acetylene or Oxy/Propylene?

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Are these parts adequate for Oxy/Acetylene or Oxy/Propylene?

Unread postAuthor: SpudGunNoob » Sat Jun 01, 2019 10:51 pm

Are these parts adequate for an Oxy/Acetylene or Oxy/Propylene build? I'm planning my first serious build and want to make sure this is safe enough to handle the pressures before proceeding any further.

Barrel: https://www.mcmaster.com/5016t77
Reducer: https://www.mcmaster.com/4513k594
Chamber: https://www.mcmaster.com/5016t97
End Cap: https://www.mcmaster.com/4513k284
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Re: Are these parts adequate for Oxy/Acetylene or Oxy/Propyl

Unread postAuthor: jrrdw » Sun Jun 02, 2019 2:55 pm

You'll be good to go for a simple metered combustion cannon in a warm climate. Search jimmy101 for researched and posted studies on the pressures generated by what fuel types, I think it was jimmy101 or maybe Clyde , someone correct me please if I remembered those Spudfilers wrong.

Welcome to Spudfiles! :bigsmurf:
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Re: Are these parts adequate for Oxy/Acetylene or Oxy/Propyl

Unread postAuthor: SpudGunNoob » Sun Jun 02, 2019 4:51 pm

jrrdw wrote:You'll be good to go for a simple metered combustion cannon in a warm climate. Search jimmy101 for researched and posted studies on the pressures generated by what fuel types, I think it was jimmy101 or maybe Clyde , someone correct me please if I remembered those Spudfilers wrong.

Welcome to Spudfiles! :bigsmurf:


Thanks! :)
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Re: Are these parts adequate for Oxy/Acetylene or Oxy/Propyl

Unread postAuthor: Moonbogg » Tue Jun 04, 2019 5:26 pm

Those are some serious parts. That's a big chamber for sure. Any chance of a build log incoming?
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Re: Are these parts adequate for Oxy/Acetylene or Oxy/Propyl

Unread postAuthor: jackssmirkingrevenge » Wed Jun 05, 2019 6:56 am

Welcome to the forum!

In general, one would be advised to stay away from the "Oxy" part and rely on a pressurized fuel/air mixture instead. It adds complexity to the build but the result is safer and more reliable.
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