The Wasp Major was Pratt & Whitney’s last big piston engine. Although four rows in the radial configuration seems a cooling problem, the Wasp Major was effectively cooled by staggering each of its ...

Object Details Manufacturer Pratt & Whitney Physical Description Type: Reciprocating, 28 cylinders, radial, air cooled, four rows Power rating: 2,424 kW (3,250 hp) at 2,700 rpm Displacement: 71.5 L (4 ...

A few of the 56 sparkplugs can clearly be seen in this 1942-era Pratt & Whitney R-4360 radial "Wasp Major" aircraft engine. It is owned by Mike Nieman and is parked at his shop, 1132 Main St. in ...

Once it’s fired up, though, as it was last Wednesday, the 28-cylinder Pratt & Whitney R-4360 Wasp Major engine creates quite a marvelous racket and draws a crowd, including a television reporter ...

Pratt & Whitney is planning a $20-million investment at its West Palm Beach, Fla., Engine Center to increase maintenance, repair and overhaul (MRO) capacity for its GTF commercial aircraft engines.