Bore and Stroke: 125 mm (4.92 in.) x 170 mm (6.69 in.) This engine was a double form of the Z9, which had nine cylinders. Salmson aircraft engines that were produced in France starting in 1913 by the ...

In 1925, the Wasp was a leap forward in aircraft power, reliability, and performance – one that rocketed the trajectory of aviation technology into the post-war era. Its nine-cylinder, air-cooled ...

If you are not at least moderately informed about how engines work, you may still be aware that they all require water, or antifreeze, in order to function. It is true that some form of coolant is ...

As with many things in technological development, identifying the most revolutionary designs depends in part on what aspects one wants to stress. And when it comes to commercial aircraft engines, it ...

In 1925, an engineer named Frederick Rentschler founded Pratt & Whitney in Hartford with an idea for an air-cooled radial engine that would revolutionize American aviation. Rentschler was driven by an ...

Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design in 1925. Believing this technology might replace poppet valves ...

Packard Motor Car Co.’s President Alvan Macauley last week said that by the end of March he would be manufacturing the new Packard-Diesel airplane motor. That will be a milestone, the first ...