Originally Posted by
lomapaseo
Don't agree on this subject
The large bypass engines have large inlet cowls which make up the majority of the residual drag. They typically have fixed inlet blade angles and lower bypass ratios for their outer dia then prop jets. Thus a lot more number crunching
All these particulars are true, but that doesn't change that fundamentally the fan is still a prop attached to the shaft. Including in the context of this discussion, transfer of energy to the shaft via windmilling.