28 cylinders, 4 row radial, turbo-supercharged Pratt & Whitney R 4360 CB2 airplane engine

28 cylinders 4 row, radial turbo-supercharged Pratt & Whitney R 4360 CB2 airplane engine 28 cylinders, 4 row radial, air cooled, geared drive, turbo-supercharged, 4 cycle. One of the most powerful engine, used on the “Spruce Goose“ Boeing 377 Stratocruiser (C-97), Globmaster and B-36 aircraft. &_Whitney_Wasp_Major The R-4360 was a 28-cylinder four-row air-cooled radial engine. Each row of pistons was