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- Fri Sep 13, 2019 9:40 am
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Re: A look inside the "bleacher reacher" t-shirt launcher
What does the chamber look like on these things? You should be able to tell from the photos but here is a simplified diagram of the internals: https://i.imgur.com/Iu04Ne8l.png Green arrow shows where the air is filled from, this is then closed off and another valve is opened at the red arrow to emp...
- Thu Feb 21, 2019 10:01 am
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Timed Valve vs Dump Valve for more power and efficiency
Most of the pneumatic projects on this forum use dump valves that essentially empty the chamber for every shot. Semi-automatics based on quick exhaust valves piloted by 3 way valves look something like this: https://i.imgur.com/JW8LrsI.gif A main chamber feeds a firing chamber, with the latter being...