Update on Planes of Fame Air Museum’s P-47G Thunderbolt

The Planes of Fame Air Museum has reached a significant milestone with the successful reinstallation of the Republic P-47 Thunderbolt’s freshly overhauled Pratt & Whitney R-2800 Double Wasp engine.

Adam Estes
Adam Estes
BView of the P-47G Thunderbolt at Planes of Fame with the newly-reinstalled Pratt & Whitney R-2800 engine. (Adam Estes)
AirCorps Aircraft Depot

Last June, we published an article about the Planes of Fame Air Museum of Chino, California, beginning an extensive overhaul of their Curtiss-built P-47G Thunderbolt, US Army Air Force serial number 42-25254 (which you can read HERE). Now, the museum has made a major milestone in this project by reinstalling the Thunderbolt’s freshly overhauled Pratt & Whitney R-2800 Double Wasp engine.

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3/4 view of the Planes of Fame’s Curtiss P-47G Thunderbolt, 42-25254, with its newly overhauled R-2800 engine, standing in the museum’s Bob Pond Hangar. (Adam Estes)

As mentioned in the prior article, the Planes of Fame’s Thunderbolt, built under license from Republic by Curtiss-Wright in Buffalo, NY, was acquired by Planes of Fame’s founder, Ed Maloney, in 1952 and has been flown and maintained in airworthy condition by the museum since 1963. During this most recent overhaul, the aircraft had its landing gear completely refurbished, and its R-2800 engine was sent to Anderson Aeromotive of Grangeville, Idaho for a complete overhaul. Nine months have passed, and the engine has at last been completed and has since been reinstalled on the aircraft.

With the R-2800 Double Wasp refitted to 42-25254, the museum’s mechanics will be rewiring the aircraft’s systems, reinstalling the oil tank mounted between the firewall and the engine mount, and reinstalling the aircraft’s propeller. In the case of the propeller, the aircraft originally flew with a Curtiss Electric propeller, but during a prior restoration in 1985, it was fitted with a Hamilton Standard propeller, which allowed the museum greater access to a supply of spare parts.
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A look up at the Pratt & Whitney R-2800 engine on the Planes of Fame’s P-47G Thunderbolt. (Adam Estes)

The cowling has also been repainted from the red brand it had worn in its last flight demonstrations to the white band associated with its time portraying P-47D 42-8487, the aircraft flown in WWII by 56th Fighter Group ace and later Planes of Fame pilot Walker “Bud” Mahurin. The Planes of Fame has not announced any definitive date for when the aircraft will return to the skies, but it is a priority for the museum to have the Thunderbolt flying again as soon as possible. Many at Planes of Fame are just as eager to have the aircraft back in the air again as the rest of the warbird community, and we look forward to reporting on the POF Thunderbolt’s return to the skies. For more information, visit the Planes of Fame’s website HERE.

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Raised in Fullerton, California, Adam has earned a Bachelor's degree in History and is now pursuing a Master's in the same field. Fascinated by aviation history from a young age, he has visited numerous air museums across the United States, including the National Air and Space Museum and the San Diego Air and Space Museum. He volunteers at the Planes of Fame Air Museum in Chino as a docent and researcher, gaining hands-on experience with aircraft maintenance. Known for his encyclopedic knowledge of aviation history, he is particularly interested in the stories of individual aircraft and their postwar journeys. Active in online aviation communities, he shares his work widely and seeks further opportunities in the field.
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