Engines

After an extensive trial, the University of North Dakota’s flight school has dropped Swift UL94 fuel and resumed use of 100LL. The school said ongoing maintenance monitoring of aircraft using UL94—almost exclusively Lycoming-powered Piper Archers and Seminoles—resulted in measurable exhaust valve recession. The school made the switch back to 100LL on Oct. 27. Partly because […]

GE Aerospace’s GEnx engine family has passed the 50 million flight hour milestone, the company announced last week. Of those hours, nearly 32 million came from the GEnx-1B, which entered service in 2012 and powers the Boeing 787 Dreamliner. Powering the Boeing 747-8, the GEnx-2B has logged 18 million hours since entering service in 2011. […]

Continental Aerospace vice president for global sales and applications engineering Oliver Leber talked with AVweb at AirVenture 2023 about the FAA validated type certificate for the CD-300 engine, testing hydrotreated vegetable oil (HVO) on the CD-100 and some of the company’s sustainability initiatives.

Pratt & Whitney Canada announced this week at AirVenture 2023 that it has now delivered over 400 PT6 E-Series engines. Since its launch in October 2019, the engine family has logged more than 100,000 flight hours worldwide. The latest in the company’s extensive line of PT6 engines, the E-Series powers the Pilatus PC-12 NGX and […]

DeltaHawk received an FAA type certificate for its 180-HP DHK180 piston engine earlier this year. The four-cylinder, clean-sheet design was on display at AirVenture 2023 where AVweb’s Kate O’Connor took a look.

Pratt & Whitney reports that it has accrued more than 800 orders and commitments for its GTF geared turbofan engine so far this year. The company says it has received orders from airlines and lessors including Azorra, CALC, Carlyle Aviation Partners, Binter, Croatia Airlines, LATAM Airlines, Qantas Airways, United Airlines and Volaris. Among the airframes […]

MIT researchers say they’ve come up with an electric motor design with a power-to-weight ratio high enough to be practical in regional airliners. The team says they’ll get 17 kilowatts per kilogram out of the complex design, which means they can create a one megawatt motor that weighs just 125 pounds. “Many things together make […]

Pratt & Whitney Canada introduced its new PW545D turbofan engine this week at the 2023 European Business Aviation Convention and Exhibition (EBACE) in Geneva, Switzerland. The latest addition to the company’s PW500 family, the PW545D was designed to offer improved specific fuel consumption (SFC), thrust and time between overhauls (TBO). It will power the Cessna […]

Rolls-Royce announced on Thursday that it has successfully completed the first tests of its UltraFan technology demonstrator engine. Considered the world’s largest aeronautical engine to date, the UltraFan has a fan diameter of 140 inches and offers features including Rolls-Royce’s Advance 3 core architecture and advanced low emissions combustion system (ALECSys), carbon titanium fan blades […]

DeltaHawk announced on Thursday that it has received FAA type certification for its 180-HP DHK180 piston engine. The four-cylinder, clean-sheet design features an inverted-V engine block, turbocharging and supercharging, mechanical fuel injection, liquid cooling, direct drive and, according to the company, “40 percent fewer moving parts than other engines in its category.” It is capable […]