There is still the potential for significant efficiency improvements with open r...

nradov 14 days ago | parent | context | favorite | on: Why jet engines aren't made in China

There is still the potential for significant efficiency improvements with open rotor ultra-high bypass propfan designs.

https://www.geaerospace.com/news/articles/shape-things-come-...

And for short flights, battery electric or hybrid power could boost efficiency even further. Although that will depend on developing batteries with better safety and power density characteristics.

MichaelZuo 14 days ago [–]

The further halving already includes literally everything under the sun, such as open rotor ultra-high bypass propfan designs.