Finned engines have long been a trademark of motorcycles, but today's newer designs don't necessarily need them. So what do ...

The review validates the maturity of the F135 Engine Core Upgrade, designed to support the additional power generation and thermal management needs of the future Block 4 upgrades. Engine maker Pratt & ...

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 ...

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 ...

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 ...

GE Aerospace is moving closer to assembling its XA102 adaptive cycle engine, a key ...

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 ...

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 ...

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 ...

V4 engines are few and far between(except in motorcycles). It's the reverse situation from 8-cylinder engines, where there are scores of V8s and a count-them-on-one ...

GE Aerospace advances its XA102 adaptive cycle engine for the Air Force NGAP program, using model-based design to cut costs ...