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Spring-Loaded Ball Valve patent from 1880

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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Spring-Loaded Ball Valve patent from 1880

Unread postAuthor: jackssmirkingrevenge » Thu Dec 13, 2018 1:53 pm

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US229868A patent

My invention consists of the stock of the arm, hollow or partly hollow, receiving air under pressure and communicating with the barrel, in combination with an intermediate cook or rotary plug, which, when properly operated by the finger-piece attached to it without the striking or snapping noise incident to other air guns and pistols, opens the communication between the stock and barrel, whereby the air is directed against the projectile in the barrel and forcibly discharges the same.

The cook or plug is securely held, when closed, by mechanism controlled by the trigger, and by operating the latter said mechanism is released, and by the action of a spring the cook or plug is swiftly rotated and opened.


Nothing new under the sun :)

Amazingly, there prototype has been preserved as part of the Henrry Stewart Collection

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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: Spring-Loaded Ball Valve patent from 1880

Unread postAuthor: wyz2285 » Thu Dec 13, 2018 2:59 pm

Boy pumping that looks uncomfortable af... No to mention if the barrel is any shorter it's gonna be right next to your face
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Re: Spring-Loaded Ball Valve patent from 1880

Unread postAuthor: Potato Demon » Thu Dec 13, 2018 11:37 pm

Cool! The first pneumatic potato gun :D
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Re: Spring-Loaded Ball Valve patent from 1880

Unread postAuthor: Xamllew » Sat Jan 19, 2019 12:51 am

Oh that is cool, reminds me of some of the early Daisy pellet guns. Wonder how it's performance would have compared to other butt-reservoir Victorian airguns, it appears to be a dump valve so probably one decent shot then 10 minutes of pumping.
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Re: Spring-Loaded Ball Valve patent from 1880

Unread postAuthor: jackssmirkingrevenge » Sat Jan 19, 2019 5:21 am

Xamllew wrote:it appears to be a dump valve so probably one decent shot then 10 minutes of pumping.


If you look at the diagram, the valve marked "P" appears to give one the option of shutting off the main reservoir.
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