Multicasting,
In the second year of SSC a number of folks flew "warbirds" which included P51, P39, He100, KI-61s, Corsairs, Bearcats, Spitfires and others. These planes were heavier and hence could not turn as well and were later abandoned in favor of "Open" style designs.

They were not true scale. They had much larger than scale wings although the fuselages generally were recognizable for the plane that was being modeled.

Here are some examples: