For [a mission], compare
propulsion options on thrust,
efficiency, weight, complexity,
and where each stops making
sense. Recommend one and say
what it sacrifices.

Compare Propulsion Options

Each option's point of diminishing sense, named.

Prompt

For [a described mission or aircraft], compare the realistic propulsion options on thrust, efficiency, weight, complexity and where each stops making sense. Recommend one and state what the choice sacrifices.