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The Pratt & Whitney R-4360 Wasp Major explained, the 28-cylinder engine that pushed piston power to the limit

The R-4360 Wasp Major was the peak of reciprocating aircraft engines, a 28-cylinder monster capable of 4,000 horsepower. In this breakdown, we trace how piston engines evolved from the Wright brothers ...
insider.si.edu

Pratt & Whitney R-4360-35 Wasp Major, 4-Row, Radial 28 Engine

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Power rating: 2,088 kW (2,800 hp) at ...
Flightglobal

Pratt & Whitney at 100: Making history – a century of innovation

It began with one man’s vision that the best airplane can only be designed around the best engine. That philosophy of Pratt & Whitney founder Frederick B Rentschler still applies today as the business ...
insider.si.edu

Pratt & Whitney Wasp Major R-4360-B6, 4-rows, Radial 28 Engine

Bore and Stroke: 146 mm (5.8 in.) x 152 mm (6 in.) The Wasp Major was Pratt & Whitney Aircraft's last and largest piston engine. Its cylinders were in four rows, arranged in a spiral for better ...