Originally Posted by
BizJetJock
On the aircraft I fly, the Specific range at 10,000ft all engines is 0.133 NM/lb, and OEI it's 0.14. That's over 5% better with one shut down. I think the aerodynamics apply across the board.
I would guess it heavily depends on the configuration. Tail mounted vs wing mounted will give a big difference in asymmetric thrust and trim drag. If your username is an indication of what you fly that might explain.