The new contract covers the Post-Critical Design Review phase of the B-52 Commercial Engine Replacement Program, which will replace the TF33 engines with the new F130s. The U.S. Department of War ...

The MarketWatch News Department was not involved in the creation of this content. Washington, D.C., Nov. 07, 2025 (GLOBE NEWSWIRE) -- Internal combustion engines will continue to be the prime power ...

MV Agusta revives a dual-crank engine design with a radical five-cylinder square concept, proving that internal combustion innovation is alive and well. The square engine layout uses dual crankshafts ...

Engine manufacturer Pratt & Whitney will use new digital design technology to accelerate its work on the XA103, its submission for the U.S. Air Force’s Next Generation Adaptive Propulsion (NGAP) ...

Boeing designers have begun work on a new commercial jet to replace its venerable Renton-built 737 model, The Wall Street Journal reported late Monday. Citing anonymous sources, The Journal reported ...

The problem with that design is that it means lubrication cannot be added below the cylinder, as that is now a pre-combustion intake chamber. And in order for the compression stroke to work as the ...

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 ...