The XP-47K was the first to utilise a bubble canopy. The K above was a modified 47D.

Самолёты на фотографии: Aircrafts on the photo: Republic P-47D-25 / P-47N Thunderbolt - СШАUSA - 1943

The XP-47J was claimed to be the fastest fighter of World War II, reaching a speed of 505 m.p.h. in 1944.

Самолёты на фотографии: Aircrafts on the photo: Republic P-47J / P-47H - СШАUSA - 1943

Despite its high performance the 47J only reached the prototype stage.

Самолёты на фотографии: Aircrafts on the photo: Republic P-47J / P-47H - СШАUSA - 1943

XP-47J

Самолёты на фотографии: Aircrafts on the photo: Republic P-47J / P-47H - СШАUSA - 1943