Don’t know of particular product but if you search the web for ‘Robot Wars’ robots and see how they apply CO2 systems. They appear to be used extensively in this type of application. Good Luck
well, what you want sounds like a painball gun might do the job. you could simply buy a cheap used electropneumatic paintball gun. to shoot the darts your best bet would be to cut a section out of a section of the paintgun barrel & add a rectang
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