Just playing Call of Duty and noticed the death machine spins and I always wondered why.
In: Engineering
Aiming for the 5yo answer, though many here are great.
Think like an old clothes washer. The dial turns around.
Load water
Wash
Empty water
Same deal for gatling guns. They could have a single barrel. Imagine it going in its circle. Load-fire-empty.
Now just add more barrels so that it can have more shots per minute. (Or multiple shots every circle)
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