asteroza + turboprop   5

Hybrid geared-fan and piston concept could slash fuel-burn
Like old combined cycle aviation diesel designs, this appears to be either a diamond D-16, or perhaps even a deltic triangular configuration. Difference is LP turbine drives geared turbofan, while pistons drive HP compressor with no HP turbine. Makes for a supercharged diesel turboprop of sorts.
general  aviation  propulsion  combined  cycle  diesel  engine  geared  turbofan  GTF  turboprop  supercharger  turbocharger 
may 2018 by asteroza
Meet Adeline, Airbus’ Answer To SpaceX Reusability - SpaceNews.com
Er, so like Vulcan, but as a flying turboprop pod. Nice try, SpaceX Falcon 9 will still beat this.
adeline  aribus  ariane  semireusable  propulsion  pod  turboprop  propeller  flyback  space  research  technology  Delicious 
june 2015 by asteroza

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