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 ...

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 ...

Today is a special day in US aviation, with engine maker Pratt & Whitney marking 100 years since it was incorporated. The firm has since gone on to revolutionize both military and commercial ...

The bridge contract is intended to keep F135 engines in production until Pratt & Whitney and the Pentagon wrap up the next formal contract for engines.

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 ...

Mike Nieman, in his proper COVID-19 face mask, stands in front of the Pratt & Whitney R-4360 radial aircraft engine that's on a trailer at his St. Helena shop.