I'm flying a FPV P-51D Mustang and Pitts Special, you can copy my setup using FPV schematics attached below or just visit my links for build reference. It should give you an idea how FPV setup works and what stuff required for your big planes especially warbirds like your P-47 and others.
FPV P-51D Mustang build page: https://www.supermotoxl.com/fpvuav-m...-mustang-960mm
FPV Pitts Special Build page: https://www.supermotoxl.com/fpvuav-m...-special-860mm
Schematics:
Videos: