Talk:F4F-4/@comment-900265-20161119015717

A new version, the F4F-4, entered service in 1941 with six machine guns and the Grumman-patented Sto-Wing folding wing system, which allowed more aircraft to be stored on an aircraft carrier, increasing the number of fighters that could be parked on a surface by more than a factor of 2. The F4F-4 was the definitive version that saw the most combat service in the early war years, including the Battle of Midway. The F4F-3 was replaced by the F4F-4 in June 1942, during the Battle of Midway; only VMF-221 still used them at that time.

This version was less popular with American pilots because the same amount of ammunition was spread over two additional guns, decreasing firing time. With the F4F-3's four .50 in (12.7 mm) guns and 450 rpg, pilots had 34 seconds of firing time; six guns decreased ammunition to 240 rpg, which could be expended in less than 20 seconds. ---

Why 3-stars devs?