Unlike the XP-47H, the sole XP-47J was a newly built airframe, with many changes to reduce weight. The aircraft was fitted with a 2,800 hp R-2800-57C engine with a CH-5 supercharger, housed in a redesigned streamlined cowling.

When fully loaded, the P-47 weighed up to 8 tons, making it one of the heaviest fighters of the war. The Thunderbolt was effective as a short-, medium-, and long range escort fighter in high- altitude air-to-air combat and ground attack in both the European and Pacific theaters.

Dec 17, 2013 · The Republic XP-47J was a high-performance fighter prototype based on the P-47 Thunderbolt. The aircraft recorded a top speed of 505 mph (813 km/h) in level flight.

Jun 26, 2022 · Page details technical specifications, development, and operational history of the Republic XP-47H Thunderbolt High-Performance Fighter Prototype Aircraft including pictures.

Jul 13, 2018 · Page details technical specifications, development, and operational history of the Republic XP-47J (Superbolt) High-Performance Single-Seat Fighter Aircraft Prototype including pictures.

Feb 15, 2023 · Though a big brute the P-47, with its huge Double Wasp engine and firepower of eight 0.5-calibre machine guns that could mincemeat just about anything when in entered service in 1942, was arguably the first American fighter of the Second World War capable of matching those of other nations on a better than equal footing.

Variants Republic XP-72 The American Republic P-47 Thunderbolt, also known as T-bolt, Juggernaut or Jug was the largest single-engined fighter of its day. It was one of the main United States Army Air Force (USAAF) fighters of the Second World War. The P-47 was effective in air combat but proved especially adept in the ground attack role.

The XP-47B prototype (40-3051) flew for the first time on May 6, 1941, piloted by Lowry L. Brabham. This was only eight months after the order had been placed. The XP-47B was the largest single-engine fighter built up to that time.

At seven tons, the P-47 was the biggest single-engine fighter of World War II and was a match for all German fighter aircraft except for the FW-190D-9 and Me-262. It served as the premier fighter-bomber operated by the U.S. Army Air Forces during WWII.

The XP-47H was born out of two P-47D-15-RA production aircraft (Razorback models) dedicated to testing the promised new Chrysler XI-2220-11 16-cylinder inverted-V inline liquid-cooled engine up to 2,500 horsepower.