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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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ball launcher
The dog would play fetch all day if us humans
didn't get tired of throwing it. I want to build an automatic thrower. Train the dog to drop the ball in a 'hopper', the machine waits 10 seconds, beeps, and throws the ball. I am looking for ideas on the mechanical throwing mechanism. Rich |
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