For some reason the Oerlikon gun has been used for many decades while the Polsten gun--which is simpler, cheaper, and more reliable but has similar performance--was mostly phased out of service in the 1950s.
Why? What if the Polsten was adapted and used for naval mounts instead of the Oerlikon?
Why? What if the Polsten was adapted and used for naval mounts instead of the Oerlikon?