indian-pidgion
Brent F.
indian-pidgion

Is this where the elastic band goes?

5.) Projected Driving Line

Right... BSFC is defined as the ratio of fuel consumed / power produced, so it considers the output. It is also not a scalar data point, but can be depicted as a 3D curve that represents the BSFC throughout the engine operating range at different power output (load). That's why I used that metric in my opening

4.) Turbines To Charge Batteries