The Problem Commutators allow electrical signals and power to transfer between a stationary base and a rotational unit. This is done using what is known as a slip-ring (see the medical slip…
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Rapid Load Paintball
The Problem When playing paintball, speed is key- whether it is moving from spot to spot, shooting, or reloading. Most paintball guns have a hopper that carries about 100 paintballs. When a…