Open fan’ technology part of plans to make new models 20-30% more fuel efficient than aircraft currently in the air ...

Airbus insists it is still evaluating all engine options for its future Next Generation Single Aisle (NGSA) even as it ...

AC isn’t the only way to beat the heat. Bring in fresh outside air with the best whole house fan. Read our reviews of the top ...

Airbus has revealed the initial design concepts behind its next-generation single-aisle aircraft, as it develops a successor for its best-selling A320 Neo family of jets and focuses on decarbonisation ...

One of the first experiments was the Lee-Richards Annular Biplane and Monoplane, a circular design that flew in ... The 4-foot diameter disc had four ducted fans to enable vertical takeoff and ...

Ducted propellers possess characteristics such as high aerodynamic efficiency, compact structural design, low noise level ... variation trends of the thrust of the propeller blades and the ducted fan.

The frameless design gives it a modern look when mounted ... Even without the duct-free kit, the 3-speed fan still has a 300 CFM exhaust rating. It can also handle high-temperature cooking ...

If sophisticated design is not something you typically associate with ceiling fans, you might want to look up.