Two-stroke engines have steadily fallen out of favor over the last 50 years or so. While they sport great power-to-weight ratios and are often much simpler mechanically than their four-stroke ...

This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel rotary engines. It covers the benefits, drawbacks, and potential to ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

Pratt & Whitney clears a key F135 engine review, advancing the F-35 toward Block 4 upgrades with more power and thermal ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

It means that the design is solid. It means that we're ready to move forward from an industrial base as well,” Jill Albertelli, the president of Pratt & Whitney's military engines business, told ...

Add Yahoo as a preferred source to see more of our stories on Google. The two proposed adaptive engines that might one day power the Next Generation Air Dominance fighter have passed an important ...

OHV stands for overhead valve, and these types of powerplants can also be called pushrod engines. OHV engines have the intake and exhaust valves located above the camshaft, which is in the engine ...

Although reminiscent of the official F-47 renderings, the model in RTX’s video is actually based on a notional design by artist Rodrigo Avella. A new promotional video released by RTX, parent company ...

John Neff is a veteran automotive journalist with over two decades of experience leading major outlets such as Autoblog and Motor1. Beginning his career as Editor-in-Chief of Speed, Style & Sound, he ...

The Vice President of Ford has declared that the era of “powerful engines” is drawing to a close, as consumer focus shifts towards design and technology. This statement comes a decade after Ford ...

There are certain engine configurations that are known even to those whose interest in engines is minimal. For instance, most people will know what makes a V-engine a V-engine, and even the ...