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Please explain how this works?

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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Please explain how this works?

Unread postAuthor: Ianbuckwell » Thu Jan 01, 2015 1:22 pm

Watched this vvideo on Youtube

https://www.youtube.com/watch?v=z9dmmX9Krfk
And wondered how it works, is it a homemade pressure relief valve on opposite side of the valve to the 'barrel'? Is kt similar to the other youtube video where the air supply is increased/restricted to adjust the rate of fire?

Any info welcome and if there are any particular details I need to know?

Thanks
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Re: Please explain how this works?

Unread postAuthor: Gippeto » Thu Jan 01, 2015 3:15 pm

Believe so. Adjusting air supply rate or relief valve set point individually should alter rate of fire.

how-to-database/topic23626.html
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Re: Please explain how this works?

Unread postAuthor: Ianbuckwell » Fri Jan 02, 2015 3:26 am

Thanks, I will read up, currently making a version of Bill Gilmours pneumatic breach cannon, just need a barrel and connect air before testing, not good with electronics so using a square wave driver to control solenoid valve via a relay and 3 decent capacitors to ensure relay gets all the power it needs straight off. Thought this would make a good future project.
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Re: Please explain how this works?

Unread postAuthor: Gippeto » Fri Jan 02, 2015 7:50 am

Why do folks talk about interesting stuff and forget the link. :roll:

Link man...we NEED a link! :lol:


https://www.youtube.com/watch?v=VNowDEXbfW0
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Re: Please explain how this works?

Unread postAuthor: Ianbuckwell » Fri Jan 02, 2015 9:18 am

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