Home Archive Search Media Media-456524.jpg FRE 9408 IMAGE Download Image By downloading this image, you are agreeing to our Terms and Conditions The Pratt and Whitney R-2800-63 'B' Series Double Wasp engine, used in a P-47 Thunderbolt. Revisions Date: 2 Feb 2015 10:00:14 ContributorAAMChangesAAM ingestSourcesIWM, Roger Freeman Collection