After the original XF5F Skyrocket project came to an end Grumman sought to develop a new variation of the same design. The XP-50 was effectively a land based variant of the naval skyrocket, ordered by the US Army Air Corps in November 1939. XP-50 One obvious difference becomes clear when you first lay eyes on … Continue reading Grumman Fast Twins Part 2 – The F7F Tigercat