A relic of military history roared to life on Tuesday morning in downtown St. Helena of all places. Mike Nieman fired up his Pratt & Whitney R-4360 “Wasp Major” radial engine, which was built to power ...
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 ...